CN2135884Y - Integral satellite television receiving and transmission machine - Google Patents

Abstract

The utility model provides an integral satellite television receiving and transmission machine, which comprises an outdoor unit composed of a parabola receiving antenna and a tuner, and a transmitting antenna. The integral satellite television receiving and transmission machine is composed of a receiving unit, a transmitting unit, and a power supply circuit, which can be packaged into 4 to 7 unit boxes and connected into an integral machine by a connector. The utility model has the characteristics the integral satellite television receiving and transmission machine collects satellite television receiving and transmission into the integral machine, double sound channel stereo is adopted, integrated package circuits and a unit structure design are adopted which are convenient for production and maintenance, the size is reduced, the production debugging procedure is simplified, the cost is reduced, the effect of receiving and transmission is enhanced, etc. The utility model is suitable to be used for satellite television receiving and repeating and program self-holding in living area of middle town and small towns, and factory and mine units.

Description

Integral satellite television receiving and transmission machine

The utility model relates to image communication, particularly a kind of integrated satellite television receiver/transmitter.

Domestic existing satellite television receiver or television transmitter, TV differential relay all are unit structures, and power output stage is that discrete component constitutes, and its shortcoming is that equipment investment is big, produce the debugging trouble, receive and the less stable of launching, time between failures is short, and maintenance is frequent.

The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of integrated satellite television receiver/transmitter is provided, and integrates satellite television and receives, launches; Adopt integrated circuit modules to improve the degree of product standardization, it is long-pending to reduce this body, reduces production costs, and improves the stability that receives with emission, is designed to the blocking structure, convenient production and maintenance; Adopt two sound demodulation stereo, improve the product gear.

The utility model is achieved in that the utility model comprises the outdoor unit that existing receiving paraboloid and tuner are formed, and is made of receiving element, transmitter unit, power circuit.Receiving element is by integrated tuning demodulator circuit, the pre-arcing road, and video channel and voice-grade channel constitute.Integrated tuning demodulator circuit is made up of tuning, AFC, field intensity indication, integrated tuning demodulator.Video channel is by going heavily, go diffusion, filtering, looking and put and anti-flicker circuit is formed.Voice-grade channel by two-way go that weight, filtering, demodulation and sound accompaniment are tuning, the hybrid circuit of amplifying circuit and double-channel audio signal forms.The satellite TV signal that outdoor unit receives is chosen, is put in advance through the pre-arcing road by integrated tuning demodulator circuit demodulation, enter video channel respectively picture intelligence filtering, demodulation, amplification and voice-grade channel are mixed the filtering of voice signal two-way, demodulation, amplification again, enter transmitter unit then respectively.The modulation circuit that transmitter unit is made up of carrier frequency oscillation, modulation, filtering is mixed transmitting antenna with the amplifying circuit of putting in advance, decaying and adjustment, promotion, filtering, power amplifier are formed and is constituted.Through the satellite TV signal of video channel and voice-grade channel amplification and carrier frequency mixing in modulation circuit, the filtering that carrier frequency oscillation produces, amplify the back from the transmission antennas transmit to the surrounding space by amplifying circuit.Power circuit adopts full-bridge rectification to give the power supply of this machine with the DC power supply that the 220V AC power is transformed into 12V, 18V, 24V.Dress up 4-7 unit box, connect into complete machine with connector.

Integrated tuning demodulator circuit adopts the ECS479S-P1 assembly, high-frequency joint X1, and triode V1, V2, V3, potentiometer RP1, RP2, inductance L 1, resistance R 1, R2, R3, R4, capacitor C 1, C2, C3 and field intensity dial gauge mA form.The pin 1 of assembly ECS479S-P1 connects the coaxial cable of high-frequency joint X1.Pin 2 connects the 18V DC power supply.Pin 3 connects the base stage of triode V1, field intensity dial gauge mA on the collector series connection of V1, and the emitter of V1 connects the transfer utmost point of potentiometer RP1, the last utmost point ground connection of potentiometer RP1, the first utmost point and field intensity dial gauge mA are attempted by the last utmost point of inductance L 3.Pin 4 connects the last utmost point that connects inductance L 1 behind shunt capacitance C1, the C2, and the first utmost point of inductance L 1 connects the 12V DC power supply, another utmost point ground connection of capacitor C 1, C2.Pin 6 connects capacitor C 4, and pin 7 connects the base stage of triode V2, the collector electrode connecting resistance R1 of V2, and another utmost point of R1 connects the last utmost point of inductance L 3, the emitter connecting resistance R3 of V2, another utmost point ground connection of R3.The transfer utmost point of pin 8 and connecting resistance R4 and potentiometer RP2, the utmost point of capacitor C 3 and the transfer utmost point of RP2 also connect another utmost point ground connection of C3.The first utmost point of RP2 is connected in series with the last utmost point of inductance L 2, the first utmost point of L2 connects the 12V DC power supply, the last utmost point ground connection of RP2, a utmost point of another utmost point of resistance R 4 and resistance R 3 is attempted by on the emitter of triode V3, another utmost point ground connection of R3, the base stage of V3 connects the collector electrode of V2, and the collector electrode of V3 connects the last utmost point of inductance L 3.The 18V DC power supply of coming from rectifier power source enters coaxial cable through the pin 2 of ECS479S-P1, to the tuner feed of outdoor unit.Satellite TV signal is after the parabolic reflector of reception antenna, the feed that is positioned at day line focus receives and realizes the transition of circle square, the tuner of outdoor unit is with signal amplification, mixing, output frequency is first intermediate-freuqncy signal of 950-1750MHZ, enter tuning demodulator through the coaxial cable of high-frequency joint X1 from the pin 1 of ECS479S-P1, through tuning amplification, secondary mixing, become second intermediate-freuqncy signal, select required TV signal, through putting in advance, demodulate baseband signal by tuning demodulator, from pin 6 outputs of ECS479S-P1.Transfer the local oscillator voltage of pin 8 among the ECS479S-P1 to realize that all-channel covers reception with potentiometer RP2.Simultaneously, anti-phase by the pin 7 output control voltages of ECS479S-P1 through triode V2 amplification, export the pin 8 of sending into ECS479S-P1 by triode V3, to produce automatic frequency control action (being AFC).From the direct voltage of the expression signal power of pin 3 output of ECS479S-P1, it is powerful little to amplify rear drive field intensity dial gauge mA display field through triode V1.Regulate the starting voltage of field intensity dial gauge mA with potentiometer RP1.

Pre-arcing route triode V4, resistance R 5, R6, R7, R8, capacitor C 4, C5, C6, inductance L 3 are formed, the base stage of triode V4 connects capacitor C 4, collector electrode connecting resistance R7, emitter connecting resistance R8, resistance R 5 also is connected on the base stage of V4 with the utmost point of R6, and another utmost point of R5 and R7 also connects the last utmost point of inductance L 3, the first utmost point of L3 connects the 12V DC power supply, another utmost point ground connection of R6 and R8, the utmost point of capacitor C 5 and C6 is connected in parallel on the last utmost point of L3, another utmost point ground connection of C5 and C6.Enter the pre-arcing road from the baseband signal of pin 6 output of ECS479S-P1 from capacitor C 4 and amplify, be divided into two-way from the collector electrode of V4 and enter: vision signal enters video channel from the pin 1 of IC10, and audio signal enters voice-grade channel from triode V5.

Video channel is by ic chip 10, triode V6, V7, potentiometer RP3, resistance R 9, R10, R11, R12, capacitor C 7, C8, C9, C10, C11, C12, C13, C75, C76, inductance L 4, connector X2 forms, ic chip 10 is selected DD01 for use, its pin 1 connects the collector electrode of triode V4, pin 2 connects capacitor C 7 back ground connection, pin 3, pin 6 ground connection, pin 4 connects capacitor C 10, be connected in series the elementary of potentiometer RP3 again, the last utmost point ground connection of potentiometer RP3, pin 5 connects the transfer utmost point that is connected in series potentiometer RP3 after the capacitor C 11 again, connect the last utmost point of inductance L 4 behind pin 7 shunt capacitance C8 and the C9, the first utmost point of inductance L 4 connects the 12V DC power supply, another utmost point ground connection of C8 and C9, on the pin 8 and connecting resistance R9 and R11, another utmost point of R9 connects the base stage of triode V6, the collector electrode of V6 connects the 12V DC power supply, on the emitter of V6 and connecting resistance R10 and capacitor C 12, another utmost point ground connection of resistance R 10, unit connector X5 is penetrated in another utmost point sending and receiving of capacitor C 12, and another utmost point of resistance R 11 connects the base stage of triode V7, the collector electrode of V7 connects the 12V DC power supply, on the emitter of V7 and connecting resistance R12 and capacitor C 13, another utmost point ground connection of resistance R 12, another utmost point of capacitor C 13 meets connector X2, capacitor C 75, the utmost point of C76 connects the 12V DC power supply, another utmost point ground connection.Vision signal enters video channel from the pin 1 of integrated package DD01, through going heavily, go diffusion, filtering, select the vision signal of 50HZ-6MHZ, amplify after pin 8 outputs of DD01, the buffer stage that is made of V6, V7 provides enough current gains, makes it to produce in 75 Ω loads the vision signal of 1VP-P.Regulator potentiometer RP3 adjustable video gain amplifier, the size of the vision signal of change output.Video-frequency monitor outside X2 meets sb. at the airport.

Voice-grade channel is by ic chip 11, IC12, IC1, IC2, triode V5, and inductance L 5, L6, L12, L13, potentiometer RP4, RP5, RP6, RP7, resistance R 13-R33, capacitor C 14-C29, connector X3, X4 form.Ic chip 11 is selected DD02 for use with IC12, and IC1 selects for use LM358, IC2 to select MC1458 for use.The pin 1,2,3 of IC1 is formed IC1a, pin 5,6,7 is formed IC1b, pin 8 ground connection.The pin 5,6,7 of IC2 is formed IC2a, and pin 1,2,3 is formed IC2b, pin 4 ground connection.IC11, IC1a, IC2a and IC12, IC1b, IC2b form the identical voice-grade channel of two-way respectively.Resistance R 13, R14 is attempted by on the base stage of triode V5, another utmost point of R13 connects the pin 1 of IC10, another utmost point ground connection of R14, the collector electrode of V5 connects the last utmost point of inductance L 2, ground connection behind the emitter connecting resistance R15 of V5, capacitor C 14, C15 is attempted by on the emitter of V5, another utmost point of C14 connects the pin 1 of IC11, another utmost point of C15 connects the pin 1 of IC12, the pin 2 of IC11 and IC12,5 ground connection, pin 4 connects the last utmost point of inductance L 5, and the first utmost point of L5 connects the 12V DC power supply, and the pin 7 of IC11 connects capacitor C 16 back ground connection, the pin 7 of IC12 connects capacitor C 17 back ground connection, the two poles of the earth of inductance L 12 are connected on the pin 7 of IC11, on 8, the two poles of the earth of inductance L 13 are connected on the pin 7 of IC12, on 8, the pin 3 serial connection capacitor C 19 back ground connection of IC11, the pin 3 serial connection capacitor C 20 back ground connection of IC12, the first utmost point of potentiometer RP4 and RP5 and the transfer utmost point connect the 12V DC power supply, and the last utmost point of RP4 connects the first utmost point of RP7, the last utmost point of RP5 connects the first utmost point of RP6, the last utmost point ground connection of RP6 and RP7, the transfer utmost point of RP6 connects the pin 3 of IC12, and the transfer utmost point of RP7 connects the pin 3 of IC11.The pin 6 connecting resistance R20 of IC11, another utmost point of R20 connects the pin 3 of IC1, capacitor C 21 and the pin 3 that meets IC1 after C23 is in parallel, another utmost point ground connection of C21, another utmost point connecting resistance R28 of C23, another utmost point of R28 connects the pin 6 of IC2; The pin 6 connecting resistance R21 of IC12, another utmost point of R21 connects the pin 5 of IC1, electric capacity 22 with connect the pin 5 of IC1, another utmost point ground connection of C22 after C24 is in parallel, another utmost point connecting resistance R29 of C24, another utmost point of R29 connects the pin 2 of IC2.Pin 1 and connecting resistance R16 and the R18 of IC1, another utmost point of R16 connects the pin 3 of IC11, and another utmost point of R18 connects the pin 2 of IC1, and the pin 4 of IC1 connects the last utmost point of inductance L 5.Another utmost point that the pin 7 of IC1 and connecting resistance R17 and R19, another utmost point of R17 meet the pin 3 of IC12, R19 connects the pin 6 of IC1.Connecting resistance R22 on the pin 2 of IC1, connecting resistance R23 on the pin 6, another utmost point of R22 and R23 and connecting resistance R24, R25 and capacitor C 18, another utmost point ground connection of R25 and C18, another utmost point of R24 connects the last utmost point of inductance L 6, a utmost point of resistance R 26 is connected on the last utmost point of L6, on another utmost point serial connection R27 of R26, the pin 5 that is connected on IC2 simultaneously and the connecting line of pin 3, another utmost point ground connection of R27, on the pin 5 that C25 is connected on IC2 and the connecting line of pin 3, another utmost point ground connection of C25.Resistance R 30 is connected on the pin 6 and pin 7 of IC2, and the pin 8 of IC2 connects the last utmost point of inductance L 6, and the first utmost point of L6 connects the 12V DC power supply, and the pin 7 of IC2 connects capacitor C 27, and another utmost point of C27 meets connector X3.Resistance R 31 is connected on the pin 1 and pin 2 of IC2, and the pin 1 of IC2 connects capacitor C 26, and another utmost point of C26 meets connector X4.Capacitor C 28, resistance R 32, R33, capacitor C 29 are connected in series successively, and another utmost point of C28 meets C27, and another utmost point of C29 meets C26, is wired to transmitter unit between R32 and R33.Baseband signal enters two identical voice-grade channels by C14, C15, enter by the pin 1 of integrated package DD02, through go heavily, bandpass filtering, select the audio frequency of 5-8MHZ and pay carrier signal, go out audio signal by the phase-locked link demodulation in the DD02, from pin 6 outputs of DD02.Regulating RP6 and RP7, to realize paying carrier wave tuning, when two carrier frequencies not simultaneously, can realize double-tone road, stereo sound reception.The pin 3 of represent part of frequency to be added to DD02 in the voltage by pin 6 output of DD02 after IC1 amplifies realizes that audio frequencies control (being AFT) automatically and act on.And audio signal output after IC2 amplifies of pin 6 outputs of DD02 is mixed with C29, R33 by C28, R32, takes out between R32 and R33 by connector X6 and send the transmitter unit emission.Audio monitor outside connector X3, X4 meet sb. at the airport.

Modulation circuit is by ic chip 3, IC4, unidirectional breakdown diode V8, and band pass filter L14, inductance L 9, L10, resistance R 34-R39, R43, R44, potentiometer RP8, RP9, capacitor C 30-C48, connector X5, X6 form.IC3 selects 1651 for use, IC4 selects uPC1507 for use, capacitor C 32 is connected on the pin 1 and pin 2 of IC3, pin 4 ground connection of IC3, the pin 3 of IC3 and pin 8 and the connecting resistance R34 of IC4, another utmost point of R34 connects the 12V DC power supply, the first utmost point of capacitor C 33, C35 and inductance L 9 is attempted by on the pin 2 of IC3, another utmost point ground connection of C33, another utmost point of C35 connects the pin 10 of IC4, the last utmost point serial connection tunable capacitor C34 of L9, another utmost point ground connection of C34 connects the pin 3 of IC3, another utmost point ground connection of the positive pole of V8 and C30, C31 after the negative pole of unidirectional breakdown diode V8 and capacitor C 30, C31 are in parallel.Resistance R 36 is distinguished the pin 11 of a termination IC4 afterwards in parallel with the two poles of the earth of capacitor C 36, other end connecting resistance R35, another utmost point of R35 connects the pin 8 of IC4, the pin 11 of IC4 connects capacitor C 37, pin 12 connects capacitor C 38, pin 13 connects capacitor C 39, pin 3 connects capacitor C 44, C37, C38, C39, another utmost point ground connection of C44, the pin 1 of IC4,7,14 ground connection, resistance R 39, connect the pin 2 of IC4 after capacitor C 46 parallel connections, another utmost point ground connection of R39, another utmost point series resistor R44 of C46, resistance R 38, connect the pin 15 of IC4 after capacitor C 45 parallel connections, another utmost point ground connection of R38, another utmost point series resistor R43 of C45, R43, another utmost point of R44 is in parallel with capacitor C 48, another utmost point tape splicing bandpass filter L14 of C48, another utmost point of L14 connects capacitor C 49, capacitor C 47 is connected in series with the transfer utmost point of potentiometer RP9, and another utmost point of C47 connects the pin 16 of IC4, and the first utmost point of RP9 meets connector X6, the last utmost point ground connection of RP9, inductance L 10 is in parallel respectively with the two poles of the earth of capacitor C 42, the pin 5 of a termination IC4, the pin 4 of another termination IC4, the pin 4 of IC4 also connects capacitor C 43, another utmost point ground connection of C43, capacitor C 40 is in parallel respectively with the two poles of the earth of resistance R 37, a termination capacitor C41, the transfer utmost point of another termination potentiometer RP8, the first utmost point of RP8 meets connector X5, the last utmost point ground connection of RP8, and another utmost point of C41 connects the pin 6 of IC4.Enter the pin 6 of IC4 through connector X5 by the next vision signal of triode V6, enter the pin 16 of IC4 through two monophone connector X6 by the next audio signal of IC2, in IC4 inside, this two signal is modulated the carrier signal of paying that pin 4,5 vibrations of the CF signal of being come in by the pin 10 of IC4 and IC4 produce, produce pin 2,15 outputs of radiofrequency signal, enter amplifying circuit by capacitor C 49 from IC4.Transfer RP8 can change the size of vision signal,, transfer RP9 can change the voice modulation degree to change visual modulation degree.Carrier frequency is produced by the oscillator that IC3 constitutes, and its frequency is decided by C33, L9, C34, and the quality of waveform is determined that by C32 C33, L9, C32 change with television channel is different, transfer the fine-tuning carrier frequency frequency of variable capacitance C34.The carrier oscillation frequency is paid in L10 and C42 decision that the pin 4,5 of IC4 connects, regulates the fine-tuning carrier frequency of L10.

Amplifying circuit is by ic chip 5, IC6, IC7, band pass filter L15, and diode V9, inductance L 7, L8, L11, potentiometer RP10, resistance R 40, R41, R42, capacitor C 49, C50, C60-C67, K switch 2, high-frequency joint X7 constitutes.IC5 selects 1651 for use, IC6 selects for use OM361, IC7 to select BGY87 for use.The pin 1 of IC5 connects capacitor C 49, pin 4 ground connection, pin 2 connects capacitor C 60, connect another utmost point of C60 after the positive pole of diode V9 and resistance R 41 are in parallel, another utmost point of R41 and the transfer utmost point that meets potentiometer RP10 after C61 is in parallel, another utmost point ground connection of C61, the last utmost point ground connection of RP10, the first utmost point and resistance R 40, connect the last utmost point of inductance L 11 after capacitor C 62 parallel connections, the first utmost point of L11 connects the 12V DC power supply, another utmost point ground connection of C62, connect the pin 3 of IC5 after another utmost point of R40 and capacitor C 50 are in parallel, another utmost point ground connection of C50, connect capacitor C 63 after the negative pole of diode V9 and resistance R 42 are in parallel, another utmost point ground connection of R42, another utmost point of C63 connects the pin 1 of IC6, the pin 2 of IC6,3,4,6,7 ground connection, pin 5 connects the last utmost point that meets L11 after inductance L in parallel 8 and the capacitor C 64, another utmost point ground connection of C64, another utmost point of L8 and the pin 8 that meets IC6 after C65 is in parallel, another utmost point serial connection band pass filter L15 of C65, another utmost point serial connection capacitor C 66 of L15, another utmost point of C66 connects the pin 1 of IC7, the pin 2 of IC7,3,5,6 ground connection, connect the pin 4 of IC7 after capacitor C 67 and inductance L 7 are in parallel, another utmost point ground connection of C67, another utmost point of L7 is connected the 24V DC power supply with K switch 2, and the pin 7 of IC7 meets connector X7.Amplifying circuit can divide from C66 to be left, and dresses up two assemblies of preposition amplification case and power amplifier box, connects with connector again.Pin 2 by IC4 mixes after band pass filter L14 filtering clutter with the radiofrequency signal of pin 15 outputs, enter attenuator decay back by capacitor C 49 from the pin 1 of IC5 and arrive the preposition amplification of IC6, through L15 filtering once more, form the radiofrequency signal of 8MHZ, behind the IC7 power amplifier, X7 delivers to transmission antennas transmit by connector again.Adjusting RP10 can change the size of current by diode V9, reaches the purpose that changes attenuation, regulates the radiofrequency signal power.Cut-off switch K2 has promptly disconnected amplifier power supply, and just can be used as single satellite television receiver and use this moment.Video, the audio signal of managing program by oneself are inserted the plug that adapts with it respectively through X5, X6 and can be launched, this moment automatic disconnection from the signal of satellite television receiving element.

Power circuit is made up of transformer T, ic chip 8, IC9, diode V10-V13, capacitor C 68-C74, C77, C78.The primary coil of transformer T connects the 220V AC power, the two poles of the earth of secondary coil connect two symmetrical nodes of the full bridge rectifier of being made up of diode V10-V13 and capacitor C 71-C74, one point earth in the two symmetrical nodes in addition of full bridge rectifier, another point connects the input pin of IC8, the output pin of IC8 connects capacitor C 68, another utmost point ground connection of C68, the grounding leg ground connection of IC8, the output pin output 24V DC power supply of IC8, capacitor C 69 and the input pin that meets IC8 after C70 is in parallel, C69, another utmost point ground connection of C70, capacitor C 77 and the input pin that meets IC9 after C78 is in parallel, C77, another utmost point ground connection of C78, the input pin of IC9 connects the center line of the secondary coil of transformer T, the grounding leg ground connection of IC9, output pin output 12V DC power supply, the center line output 18V DC power supply of the secondary coil of transformer T.

The utlity model has and integrate satellite television and receive, launch, adopt ic circuit, blocking structural design, dress up 4-7 unit box, connect with connector between each box, arbitrary combination is conveniently produced and maintenance on request, has improved standardization level, reduced volume, simplified and produced the debugging formality, reduced production cost, improved the stability that receives with emission, stereo with two sound demodulation, enlarged characteristics such as the scope of application.Receive samll cities and towns, factories and miness unit residential block in suitable changes satellite television and manages the program use by oneself.

The utility model further describes below with reference to the embodiment in the accompanying drawing:

Fig. 1 is a block diagram, and Fig. 2 is the receiving element line map, and Fig. 3 is the transmitter unit line map.Fig. 1 a, Fig. 1 b, Fig. 1 c are combined into Fig. 2, and (a1) among the figure, (a2), (a3), (b1), (b2), (c1) are the line symbol between the component.Fig. 1 d, Fig. 1 e are combined into Fig. 3, and (c1) among the figure, (d1) are the wiring symbol between the component.The integrated tuning demodulator circuit of Fig. 1 a, Fig. 1 b is pre-arcing road and video channel, and Fig. 1 c is a voice-grade channel, and Fig. 1 d is a carrier circuit, and Fig. 1 e is an amplifying circuit, Fig. 1 f is a power circuit.

Among the embodiment, the type selecting of each element is as follows:

Resistance:

R1, R2:10K, R3, R7, R36, R42:1K, R4, R5, R16, R17, R24, R26, R27:56K, R6:16K, R8:430 Ω, R9, R11, R41:100 Ω, R10, R12, R14, R32, R33, R35:300 Ω, R13:5.6K, R15:3.3K, R18, R19:22K, R20, R21, R39:2K, R22, R23, R28, R29:10K, R25:15K, R30, R31:470K, R34:180 Ω, R37:82K, R38:3K, R40:330 Ω, R43:82 Ω, R44:150 Ω uses 1/8W's.

Potentiometer:

RP1：5K，RP2、RP6、RP7：30K，RP3：470Ω，RP4、RP5：10K，RP8、RP10：4.7K，RP9：47K。

Electric capacity:

C1, C6, C9, C30, C62, C70, C71, C72, C73, C74, C75 C77:0.01 μ/63V, C2, C68, C76:100 μ/50V, C4, C10, C12, C13:220 μ/16V, C3, C11, C25, C28, C29, C31, C64:10 μ/16V, C5, C8:47 μ/16V, C7, C14, C15, C26, C27:220P/63V, C16, C17:12P/63V, C19, C20:4.7 μ/16V, C18:0.1 μ/63V, C21, C22:0.33 μ/63V, C23, C24, C43:0.47 μ/16V, the C34:15/3P porcelain is situated between, C35:2.2P/63V, C36, C38, C39, C40, C48, C49, C50, C61, C67:1000P/63V, C37:27P/63V, C41, C47:1 μ/16V, C42:51P/63V, C44:8P/63V, C45:47P/63V, C46:39P/63V, C60, C63, C65, C66:100P/63V, C69, C78:3300 μ/50V.

Inductance, filter class:

L1、L2、L3、L4、L5、L6、L7、L11：47μH，L8：10μH，L12、L13：4.7μH，L14、L15：CATV FILTFR，L10：11.7μH。

Triode, diode-like:

V1、V2、V3、V4、V5：9014，V6、V7：8050，V8：2CW56，V9：1SV121，V10－V13：1N4001。

Integrated package:

IC1：LM358，IC2：MC1458，IC3、IC5：PC1651，IC4：PC1507，IC6：OM361，IC7：BGY87，IC8：7824，IC9：7812，IC10：DD01，IC11、IC12：DD02。

Integrated tuning demodulator: ESC479S-P1, transformer T:2 * 15V 30VA, connector: X1, X7:T1 seat, X2, X3, X4: lotus flower seat, X6: φ 3.5 alliteration sockets, X5: φ 6.5 alliteration sockets.

MA table: 2mA, K1, K2: key switch.

Transmitting channel changes, and the element that parameter changes has:

Channel 1-5 6-10 11-12

C32 4.7P 3.3P 2.3P

C33 20P 15P 12P

The L9(number of turn) 8T 5T 3T

L9: with the hollow coil of φ 0.51 copper cash coiled φ 6.Each element is pressed line map installation connection to get final product.

Claims (9)

1, integrated satellite television receiver/transmitter comprises outdoor unit and the transmitting antenna be made up of receiving paraboloid and tuner, and it is characterized in that: (1) is made of receiving element, transmitter unit, power circuit; (2) receiving element is by the integrated tuning demodulator circuit of forming with the indication of tuning, AFC, field intensity, integrated tuning demodulator assembly, by go heavily, go to spread, filtering, look put and video channel that anti-flicker circuit is formed and by two-way go that weight, filtering, demodulation and sound accompaniment are tuning, voice-grade channel that the hybrid circuit of amplifying circuit and double-channel audio signal is formed constitutes; (3) modulation circuit be made up of carrier frequency oscillation, modulation, filtering of transmitter unit is put, is decayed and amplifying circuit that adjustment, promotion, filtering, power amplifier are formed is mixed transmitting antenna and constituted with looking; (4) power circuit adopts full raise rectification to give the power supply of this machine with the DC power supply that the 220V AC power is transformed into 12V, 18V, 24V.

2, integrated satellite television receiver/transmitter according to claim 1, it is characterized in that integrated tuning demodulator adopts the ECS479S-P1 assembly, high-frequency joint X1, triode V1, V2, V3, potentiometer RP1, RP2, inductance L 1, resistance R 1, R2, R3, R4, capacitor C 1, C2, C3 and field intensity dial gauge mA form, the pin 1 of assembly ECS479S-P1 connects the coaxial cable of high-frequency joint X1, pin 2 connects the 18V DC power supply, pin 3 connects the base stage of triode V1, field intensity dial gauge mA on the collector series connection of V1, the emitter of V1 connects the transfer utmost point of potentiometer RP1, the last utmost point ground connection of potentiometer RP1, just the utmost point and field intensity dial gauge mA are attempted by the last utmost point of inductance L 3, pin 4 meets shunt capacitance C1, connect the last utmost point of inductance L 1 behind the C2, the first utmost point of inductance L 1 connects the 12V DC power supply, capacitor C 1, another utmost point ground connection of C2, pin 6 connects capacitor C 4, pin 7 connects the base stage of triode V2, the collector electrode connecting resistance R1 of V2, and another utmost point of R1 connects the last utmost point of inductance L 3, the emitter connecting resistance R3 of V2, another utmost point ground connection of R3, the transfer utmost point of pin 8 and connecting resistance R4 and potentiometer RP2, the utmost point of capacitor C 3 and the transfer utmost point of RP2 also connect, another utmost point ground connection of C3, the first utmost point of RP2 is connected in series with the last utmost point of inductance L 2, and the first utmost point of L2 connects the 12V DC power supply, the last utmost point ground connection of RP2, a utmost point of another utmost point of resistance R 4 and resistance R 3 is attempted by on the emitter of triode V3, another utmost point ground connection of R3, the base stage of V3 connects the collector electrode of V2, and the collector electrode of V3 connects the last utmost point of inductance L 3.

3, integrated satellite television receiver/transmitter according to claim 1, it is characterized in that pre-arcing route triode V4, resistance R 5, R6, R7, R8, capacitor C 4, C5, C6, inductance L 3 is formed, the base stage of triode V4 connects capacitor C 4, collector electrode connecting resistance R7, emitter connecting resistance R8, resistance R 5 also is connected on the base stage of V4 with the utmost point of R6, and another utmost point of R5 and R7 also connects the last utmost point of inductance L 3, the first utmost point of L3 connects the 12V DC power supply, another utmost point ground connection of R6 and R8, the utmost point of capacitor C 5 and C6 is connected in parallel on the last utmost point of L3, another utmost point ground connection of C5 and C6.

4, integrated satellite television receiver/transmitter according to claim 1, it is characterized in that video channel is by ic chip 10, triode V6, V7, potentiometer RP3, resistance R 9, R10, R11, R12, capacitor C 7, C8, C9, C10, C11, C12, C13, C75, C76, inductance L 4, connector X2 forms, ic chip 10 is selected DD01 for use, its pin 1 connects the collector electrode of triode V4, pin 2 connects capacitor C 7 back ground connection, pin 3, pin 6 ground connection, pin 4 connects capacitor C 10, be connected in series the elementary of potentiometer RP3 again, the last utmost point ground connection of potentiometer RP3, pin 5 connects the transfer utmost point that is connected in series potentiometer RP3 after the capacitor C 11 again, connect the last utmost point of inductance L 4 behind pin 7 shunt capacitance C8 and the C9, the first utmost point of inductance L 4 connects the 12V DC power supply, another utmost point ground connection of C8 and C9, on the pin 8 and connecting resistance R9 and R11, another utmost point of R9 connects the base stage of triode V6, the collector electrode of V6 connects the 12V DC power supply, on the emitter of V6 and connecting resistance R10 and capacitor C 12, and another utmost point ground connection of resistance R 10, unit connector X5 is penetrated in another utmost point sending and receiving of capacitor C 12, another utmost point of resistance R 11 connects the base stage of triode V7, the collector electrode of V7 connects the 12V DC power supply, on the emitter of V7 and connecting resistance R12 and capacitor C 13, and another utmost point ground connection of resistance R 12, another utmost point of capacitor C 13 meets connector X2, capacitor C 75, the utmost point of C76 connects the 12V DC power supply, another utmost point ground connection, video-frequency monitor outside X2 meets sb. at the airport.

5, integrated satellite television receiver/transmitter according to claim 1, it is characterized in that voice-grade channel is by ic chip 11, IC12, IC1, IC2, triode V5, inductance L 5, L6, L12, L13, potentiometer RP4, RP5, RP6, RP7, resistance R 13-R33, capacitor C 14-C29, connector X3, X4 forms, ic chip 11 is selected DD02 for use with IC12, IC1 selects LM358 for use, IC2 selects MC1458 for use, the pin 1 of IC1,2,3 form IC1a, pin 5,6,7 form IC1b, pin 8 ground connection, the pin 5 of IC2,6,7 form IC2a, pin 1,2,3 form IC2b, pin 4 ground connection, IC11, IC1a, IC2a and IC12, IC1b, IC2b forms the identical voice-grade channel of two-way respectively, resistance R 13, R14 is attempted by on the base stage of triode V5, another utmost point of R13 connects the pin 1 of IC10, another utmost point ground connection of R14, the collector electrode of V5 connects the last utmost point of inductance L 2, ground connection behind the emitter connecting resistance R15 of V5, capacitor C 14, C15 is attempted by on the emitter of V5, another utmost point of C14 connects the pin 1 of IC11, another utmost point of C15 connects the pin 1 of IC12, the pin 2 of IC11 and IC12,5 ground connection, pin 4 connect the last utmost point of inductance L 5, and the first utmost point of L5 connects the 12V DC power supply, the pin 7 of IC11 connects capacitor C 16 back ground connection, the pin 7 of IC12 connects capacitor C 17 back ground connection, and the two poles of the earth of inductance L 12 are connected on the pin 7 of IC11, on 8, the two poles of the earth of inductance L 13 are connected on the pin 7 of IC12, on 8, the pin 3 serial connection capacitor C 19 back ground connection of IC11, the pin 3 serial connection capacitor C 20 back ground connection of IC12, the first utmost point of potentiometer RP4 and RP5 and the transfer utmost point connect the 12V DC power supply, and the last utmost point of RP4 connects the first utmost point of RP7, the last utmost point of RP5 connects the first utmost point of RP6, the last utmost point ground connection of RP6 and RP7, the transfer utmost point of RP6 connects the pin 3 of IC12, and the transfer utmost point of RP7 connects the pin 3 of IC11, the pin 6 connecting resistance R20 of IC11, another utmost point of R20 connects the pin 3 of IC1, capacitor C 21 and the pin 3 that meets IC1 after C23 is in parallel, another utmost point ground connection of C21, another utmost point connecting resistance R28 of C23, another utmost point of R28 connects the pin 6 of IC2, the pin 6 connecting resistance R21 of IC12, and another utmost point of R21 connects the pin 5 of IC1, capacitor C 22 and the pin 5 that meets IC1 after C24 is in parallel, another utmost point ground connection of C22, another utmost point connecting resistance R29 of C24, another utmost point of R29 connects the pin 2 of IC2, pin 1 and connecting resistance R16 and the R18 of IC1, another utmost point of R16 connects the pin 3 of IC11, and another utmost point of R18 connects the pin 2 of IC1, and the pin 4 of IC1 connects the last utmost point of inductance L 5, pin 7 and connecting resistance R17 and the R19 of IC1, another utmost point of R17 connects the pin 3 of IC12, and another utmost point of R19 connects the pin 6 of IC1, connecting resistance R22 on the pin 2 of IC1, connecting resistance R23 on the pin 6, another utmost point of R22 and R23 and connecting resistance R24, R25 and capacitor C 18, another utmost point ground connection of R25 and C18, another utmost point of R24 connects the last utmost point of inductance L 6, a utmost point of resistance R 26 is connected on the last utmost point of L6, on another utmost point serial connection R27 of R26, the pin 5 that is connected on IC2 simultaneously and the connecting line of pin 3, another utmost point ground connection of R27, on the pin 5 that C25 is connected on IC2 and the connecting line of pin 3, another utmost point ground connection of C25, resistance R 30 are connected on the pin 6 and pin 7 of IC2, and the pin 8 of IC2 connects the last utmost point of inductance L 6, the first utmost point of L6 connects the 12V DC power supply, the pin 7 of IC2 connects capacitor C 27, and another utmost point of C27 meets connector X3, and resistance R 31 is connected on the pin 1 and pin 2 of IC2, the pin 1 of IC2 connects capacitor C 26, another utmost point of C26 meets connector X4, capacitor C 28, resistance R 32, R33, capacitor C 29 is connected in series successively, and another utmost point of C28 meets C27, another utmost point of C29 meets C26, between R32 and R33, be wired to transmitter unit, from X3, the X4 outer audio monitor of meeting sb. at the airport.

6, integrated satellite television receiver/transmitter according to claim 1, it is characterized in that modulation circuit is by ic chip 3, IC4, unidirectional breakdown diode V8, band pass filter L14, inductance L 9, L10, resistance R 34-R39, R43, R44, potentiometer RP8, RP9, capacitor C 30-C48, connector X5, X6 forms, IC3 selects 1651 for use, IC4 selects μ PC1507 for use, capacitor C 32 is connected on the pin 1 and pin 2 of IC3, pin 4 ground connection of IC3, the pin 3 of IC3 and pin 8 and the connecting resistance R34 of IC4, another utmost point of R34 connects the 12V DC power supply, capacitor C 33, the first utmost point of C35 and inductance L 9 is attempted by on the pin 2 of IC3, another utmost point ground connection of C33, another utmost point of C35 connects the pin 10 of IC4, the last utmost point serial connection tunable capacitor C34 of L9, another utmost point ground connection of C34, the negative pole of unidirectional breakdown diode V8 and capacitor C 30, connect the pin 3 of IC3 after the C31 parallel connection, the positive pole of V8 and C30, another utmost point ground connection of C31, resistance R 36 is distinguished the pin 11 of a termination IC4 afterwards in parallel with the two poles of the earth of capacitor C 36, other end connecting resistance R35, another utmost point of R35 connects the pin 8 of IC4, and the pin 11 of IC4 connects capacitor C 37, pin 12 connects capacitor C 38, pin 13 connects capacitor C 39, pin 3 meets capacitor C 44, C37, C38, C39, another utmost point ground connection of C44, the pin 1 of IC4,7,14 ground connection, resistance R 39, connect the pin 2 of IC4 after capacitor C 46 parallel connections, another utmost point ground connection of R39, another utmost point series resistor R44 of C46, resistance R 38, connect the pin 15 of IC4 after capacitor C 45 parallel connections, another utmost point ground connection of R38, another utmost point series resistor R43 of C45; R43, another utmost point of R44 is in parallel with capacitor C 48, another utmost point tape splicing bandpass filter L14 of C48, another utmost point of L14 connects capacitor C 49, capacitor C 47 is connected in series with the transfer utmost point of potentiometer RP9, and another utmost point of C47 connects the pin 16 of IC4, and the first utmost point of RP9 meets connector X6, the last utmost point ground connection of RP9, inductance L 10 is in parallel respectively with the two poles of the earth of capacitor C 42, the pin 5 of a termination IC4, the pin 4 of another termination IC4, the pin 4 of IC4 also connects capacitor C 43, another utmost point ground connection of C43, capacitor C 40 is in parallel respectively with the two poles of the earth of resistance R 37, a termination capacitor C41, the transfer utmost point of another termination potentiometer RP8, the first utmost point of RP8 meets connector X5, the last utmost point ground connection of RP8, and another utmost point of C41 connects the pin 6 of IC4.

7, integrated satellite television receiver/transmitter according to claim 1, it is characterized in that amplifying circuit is by ic chip 5, IC6, IC7, band pass filter L15, diode V9, inductance L 7, L8, L11, potentiometer RP10, resistance R 40, R41, R42, capacitor C 49, C50, C60-C67, K switch 2, high-frequency joint X7 forms, IC5 selects 1651 for use, IC6 selects OM361 for use, IC7 selects BGY87 for use, the pin 1 of IC5 connects capacitor C 49, pin 4 ground connection, pin 2 connects capacitor C 60, connect another utmost point of C60 after the positive pole of diode V9 and resistance R 41 are in parallel, another utmost point of R41 and the transfer utmost point that meets potentiometer RP10 after C61 is in parallel, another utmost point ground connection of C61, the last utmost point ground connection of RP10, the first utmost point and resistance R 40, connect the last utmost point of inductance L 11 after capacitor C 62 parallel connections, the first utmost point of L11 connects the 12V DC power supply, another utmost point ground connection of C62, connect the pin 3 of IC5 after another utmost point of R40 and capacitor C 50 are in parallel, another utmost point ground connection of C50, connect capacitor C 63 after the negative pole of diode V9 and resistance R 42 are in parallel, another utmost point ground connection of R42, another utmost point of C63 connects the pin 1 of IC6, the pin 2 of IC6,3,4,6,7 ground connection, pin 5 connect the last utmost point that meets L11 after inductance L in parallel 8 and the capacitor C 64, another utmost point ground connection of C64, another utmost point of L8 and the pin 8 that meets IC6 after C65 is in parallel, another utmost point serial connection band pass filter L15 of C65, another utmost point serial connection capacitor C 66 of L15, another utmost point of C66 connects the pin 1 of IC7, the pin 2 of IC7,3,5,6 ground connection connect the pin 4 of IC7, another utmost point ground connection of C67 after capacitor C 67 and inductance L 7 are in parallel, another utmost point of L7 is connected the 24V DC power supply with K switch 2, and the pin 7 of IC7 meets connector X7.

8, integrated satellite television receiver/transmitter according to claim 1, it is characterized in that power circuit is by transformer T, ic chip 8, IC9, diode V10-V13, capacitor C 68-C74, C77, C78 forms, the primary coil of transformer T connects the 220V AC power, the two poles of the earth of secondary coil connect two symmetrical nodes of the full bridge rectifier of being made up of diode V10-V13 and capacitor C 71-C74, one point earth in the two symmetrical nodes in addition of full bridge rectifier, another point connects the input pin of IC8, the output pin of IC8 connects capacitor C 68, another utmost point ground connection of C68, the grounding leg ground connection of IC8, the output pin output 24V DC power supply of IC8, capacitor C 69 and the input pin that meets IC8 after C70 is in parallel, C69, another utmost point ground connection of C70, capacitor C 77 and the input pin that meets IC9 after C78 is in parallel, C77, another utmost point ground connection of C78, the input pin of IC9 connects the center line of the secondary coil of transformer T, the grounding leg ground connection of IC9, output pin output 12V DC power supply, the center line output 18V DC power supply of the secondary coil of transformer T.

9, integrated satellite television receiver/transmitter according to claim 1 is characterized in that dressing up 4-7 unit box according to the element circuit structure, connects into complete machine with connector.

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