TWI227070B - High-speed tuner and it's pre-tuning method - Google Patents

Abstract

A high-speed tuner and it's pre-tuning method. This invention divides the channel into several bands by the ratio of the frequency, and every band has five or more tanks. And then, it achieves to high-speed tuning by control corresponding matching-voltage. Besides, we will consider the parameters of impedance match, noise, stable, gain and impedance inverse to achieve the best circuit configuration when we are designing the circuit. In pre-tuning, it must under the different temperatures first, and then uses the computer to tune the matching-voltage and stores the data in the memory. In the application, the computer will according the current temperature to fetch the data of the matching-voltage for corresponding temperature/frequency and transfer it to real-voltage to control the tank.

Description

1227070 device

V. DESCRIPTION OF THE INVENTION (Technical Field of the Invention) The present invention relates to a spectrum tuning tuner and a method for presetting the same. In the tuner of the receiver, the voltage is reduced and the linear voltage is amplified to the medium level. When it is less, it is more vulnerable. On the contrary, when there are more tuning stages, the tuning speed and rejection of low frequency and rejection are to achieve a good rejection ratio and (intermodulation). That is, the three-stage) 5-cycle resonator is artificially difficult to adjust in the environment with large changes in this kind of conventional offset. 'And especially there is a fast frequency synthesizer usually used to lock the frequency; Tuning circuit. In the tuning page:: Adjust, but the effect of the wave is more difficult to adjust, and at the same time, the high frequency is more difficult to control. Interactive modulation: This type of tuner uses three storage tuners. However This is known and difficult to control. Furthermore, the tuning characteristics of the tuner in temperature are easy to invent. There is a boring method in this invention. The present invention proposes a method. The present invention is to have multiple energy storages in the full frequency band according to the frequency band. Circuit to achieve the purpose of fast tuning A fast and tuner preset proportion of the square divided into several bands, each of the pair corresponding to the voltage control and

For the above and other purposes, the present invention proposes a fast tuning II. The jt Shaanxi speed tuner is used to tune the received signal received from the receiving antenna. The received signal is divided into a plurality of band signals, and the fast tuner is divided into a plurality of tuning circuits according to these band signals. Every

1227070 V. Description of the invention (2) Tuning circuits Energy storage circuits, circuits, and the corresponding ones will these band numbers. The first wave signal is amplified and connected to the second wave of the first wave. The second filter is used to receive the first filtered signal. The circuit is coupled to the third wave signal and used to connect to the third wave. And the fifth ¢ 0 虑 wave machine Wanhu always communicates, and at least includes the third energy storage and five energy storage band signals. Among them, the large circuit system outputs the largest circuit, the voltage, and the signal. The second filtering signal is band-pass filtering, the third energy storage filtering signal is received by the third amplifier, the amplification filtering energy storage circuit is output, and according to the present invention, a method is also proposed, which is first received. When the next output is maximum, it will follow the first energy storage circuit, the second amplifier circuit, the second circuit, the second circuit, and the circuit. One of them, the first amplifying circuit and the second and fourth energy storage systems are used to receive a voltage of the digital voltage, which is tuned, and one of the predetermined ranges of j is used to pass through to the first storage-amplifying filter, Boxun is used to receive the first, first, and third energy storage numbers, and to output the circuit. The fourth largest filter signal is coupled to the fifth and fifth filter types for fast test frequency. According to the tuning signal, the large filter and wave circuit are used to filter the energy storage electrical signals. Four digit telecommunications signal. The tuner rate signal is based on this signal. Degree and this energy storage circuit and according to the first wave, and output energy circuit, use the number. The second amplifier amplifies the filtered signal to be band-pass coupled to the second and third digital electric wave signals. The second wave-passing circuit is coupled to and outputs the energy storage circuit according to the first wave, and the fourth first filtering signal is coupled to the first wave-passing circuit, and the energy-storing circuit is output according to the filtering. Press to amplify the second and second amplified electric signals and output the second amplified electric digits to the fourth digital electric signal. The fourth filtering signal is used to receive the pre-adjusted method of the first filtered signal. Preset here. Then, it will receive a temperature and pressure, and the test frequency signal will be used as the maximum tuning signal to test the frequency of the test frequency signal.

1227070 V. Description of the invention (3) · ----- And store the corresponding voltage. As stated in the comprehensive report, the present invention divides the entire frequency band into several wave slabs according to the frequency ratio, each band has more than five energy storage circuits, and then uses the corresponding paired voltage control to achieve the purpose of fast tuning. Furthermore, when designing the circuit of the fast tuning device, factors such as impedance matching, noise, stability, noise reduction, and impedance conversion will be considered at the same time to obtain the optimal circuit configuration. On the T-adjustment day: First, at different temperatures, use a computer to perform pairing voltage adjustment i j to store the obtained data in the memory. In application, it can be equipped with Ϊ Ϊ Ϊ 温度 Temperature: Retrieve the corresponding temperature / frequency path from the memory, check $ 丨 1 material, and then convert it into the actual voltage to control the energy storage circuit to achieve Purpose of fast tuning. Obviously, his mission, characteristics, and advantages can be explained in more detail as follows: The cattle are better implemented according to the examples, and in accordance with the drawings, the detailed implementation of the fourth aspect is shown in accordance with the present invention. -The preferred embodiment illustrates the presetting method C of the fast tuner of the present invention;: 1. In the figure, H2 will send a test frequency signal; Connect the [Quick Tuner 106 will send the maximum modulation frequency test frequency signal for temperature and temperature to tune, and input the major tuning signal symbols: pre ;; surround; and, the most received frequency 'and save the corresponding The voltage. Therefore, according to the rate

1137〇twf.ptd Page 10 1227070 V. Description of the invention (4) The voltage is measured and adjusted by the computer 104 at different temperatures. The transmitted electricity is stored in the memory of the computer 104. For example, the formula can be wiped. In addition to the stylized read-only memory (EEPR0M). ;; Refer to Figure 2, which shows a block diagram of the circuit of the preferred tuner 1 / r, speed tuner according to the present invention. This fast tuning The tuner is used to tune the received signal received in the line. This received signal ^ product knife, several band roars, this fast tuner is divided into several chirp circuits according to the skin. Before describing the preferred embodiment It should be noted that although this preferred embodiment divides the received signal into two bands (low-band signal and high-band signal), it is not limited to this. In addition, for convenience of explanation, each A tuning circuit has only five storage tanks, but for those skilled in the art, it should be noted that each tuning circuit contains at least five energy storage circuits. From Figure 2 we can see that 'quick tuning' Device 2 〇 including band switch 2 〇 2, low The band tuning circuit 204, the high-band tuning circuit 206, and the band switching switch 208. Next, the functions of each part of the fast tuner 20 will be described. The band switching switch 202 is used to distinguish the received signal into a low-band signal and High-band signals. The low-band tuning circuit 204 includes a first energy storage circuit 210, a first amplifier circuit 212, a second energy storage circuit 214, a third energy storage circuit 216, a second amplifier circuit 218, a fourth energy storage circuit 220, And a fifth energy storage circuit 222. Among them, the 'first energy storage circuit 2 10' is used to receive a low-band signal, and performs a band-pass filtering on the low-band signal according to the first digital signal m, and outputs a low-band first filter Signal. The first amplifier circuit 21 2 is coupled to the first energy storage circuit.

11370twf.ptd Page 11 1227070 V. Description of the invention (5) The channel 21 0 ′ is used to amplify the low-band first filtering signal and output the low-band first filtering signal. The second energy storage circuit 2 1 4 is coupled to the first amplification circuit 2 1 2 ′ to receive a low-band first amplification filtering signal, and perform a band-pass filtering on the low-band first amplification filtering signal according to the second digital voltage. , And output a low-band second filtered signal. The third energy storage circuit 2 1 6 is coupled to the second energy storage circuit 2 1 4 to receive a low-band second filtering signal, and perform a band-pass filtering on the low-band second filtering signal according to the second digital signal M ′. , And output a low-band third filtered signal. The second amplifying circuit 21 8 is coupled to the third energy storage circuit 2 1 6 for amplifying the low-band third filtering signal and outputting the low-band third filtering signal. The fourth energy storage circuit 220 is coupled to the second amplifier circuit 2 1 8 for receiving the low-band third amplification filtering signal, and performing band-pass filtering on the low-band third amplification filtering signal according to the fourth digital voltage. , And output a low-band fourth filtered signal. The fifth energy storage circuit 2 2 2 is coupled to the fourth energy storage circuit 220 for receiving a low-band fourth filtering signal, and performing a band-pass filtering on the low-band fourth filtering signal according to the fifth digital voltage, and Output the low-band fifth filtered signal. It should be noted that the first energy storage circuit 210, the third energy storage circuit 214, and the fifth energy storage circuit 22 include an impedance matching circuit. The high-band tuning circuit 206 includes a first energy storage circuit 224, a first amplifier circuit 226, a second energy storage circuit 228, a third energy storage circuit 230, a second amplifier circuit 232, a fourth energy storage circuit 234, and a first五 Energy Storage Circuit 236. Among them, the first energy storage circuit 2 2 4 is used to receive high-band signals, and according to the first digital voltage, the high-band signals are band-pass filtered, and the first high-band filtered signals are output. The first amplifier circuit 22 6 is coupled to the first energy storage circuit.

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V. Description of the invention (6) Road 2 24 is used for amplifying the high-band first filtering signal and outputting the high-band first filtering signal. The second energy storage circuit 2 2 8 is coupled to the first amplification circuit 226 for receiving the high-band first amplified filtering signal, and performing a band-pass filtering on the high-band first amplified filtering signal according to the second digital voltage, and Turn on the second high-band filtered signal. The third energy storage circuit 230 is connected to the second energy storage circuit 228, and is used for receiving the high-band second filtered signal, and according to the third digital voltage, the high-band second filtered signal is band-pass filtered, and turns high. Third band filtered signal. The second amplifying circuit 2 3 2 is coupled to the second energy storage circuit 2 3 0 and is configured to amplify the high-band third filtering signal and output a high-band third filtering signal. The fourth energy storage circuit 234 is coupled to the first amplifying circuit 2 3 2 to receive a high-band third amplified filtering signal, and performs a high-band third amplified filtering signal as a bandpass filter and wave according to the fourth digital voltage. 'And output the fourth filtered signal in the high band. The fifth energy storage circuit 2 3 6 is coupled to the fourth energy storage circuit 234 for receiving a high-band fourth filtering signal and performing band-pass filtering on the high-band fourth filtering signal based on the fifth digital voltage. And output the high-band fifth filtered signal. In addition, it should be noted that the first energy storage circuit 224, the third energy storage circuit 2 30, and the fifth energy storage circuit 2 36 include impedance matching circuits.

& π ^ slave switch 2 08 is used to synthesize the low-band fifth filtered signal and the high-frequency second < five filtered signal into a tuning signal. And this tuning signal will be sent to the mixer. Furthermore, it should be noted that the third-digit voltage and the fourth-digit electrical self-memory 238 (for example, the electronic first-digit voltage, the second-digit voltage, the voltage, and the fifth-digit voltage are extraction erasable programs. Read-only memory)

1227070 V. Description of the invention (7) The temperature / frequency paired electrical data are obtained through stringing and then digital-to-analog conversion. In addition, the interface 240 will be connected to the computer 246 via 捸 怒, 土 甲 力 机 排 # ^ a *, w ^ ° 244, and the computer 246 will be stored in the memory 238 according to ^ Tian Shi Dian degree. The data from the power source is converted according to the digital-to-analog conversion circuit 242; = voltage, second digital voltage, 筮 二 奴 & Thai mine ice brother digital

Ji ^ ^ ^ ^ ^ ^ The second digit voltage, the fourth digit voltage, and the fifth digit voltage to the fast tuner 20. In application, the computer 246 will automatically retrieve the corresponding temperature / frequency paired electrical data according to the current temperature, ## ^^: The conversion ratio of the staff ratio conversion circuit 242 to the actual electrical control value =. Electron "6, so the fast tuning can be achieved. The advantages of the present invention are briefly described as follows: · 1 · Due to the fast tuning speed, it can reach ^ ^ ^ ^ ^ high stability. Inverse to the requirements of fan frequency hopping It must be 2. The suppression of the intermodulation is good, and it can be used for the relay function of receiving / transmitting. Evening machine makes 3. The present invention is to convert the broadband to good, and the gain and impedance are stable. Furthermore, The road adjusts with low noise and steepness to save manpower. The present invention uses a computer to adjust. According to the above, the present invention divides the ratio of the full band, each band having more than five frequencies into several pairs of voltage control. When the circuit is achieved quickly, and then the circuit corresponding to the fan tuner is used, the purpose of: s: will be simultaneously. Furthermore, in the design of fast, impedance matching, noise, and stability. Page 14 1137〇tWf.ptd 1227070 V. Invention Explanation (8) Degree: Ying Ying Γ anti-transformation and other factors to obtain the best circuit configuration. Pre-Ma 3, and at different temperatures, use a computer to pair electricity at the current temperature, self-memory pair Temple, you can reach the road, and reach The purpose of quick tuning. Although the present invention ρ ^ _ is limited to the preferred embodiment of the present invention, such as ", it does not use the spirit and scope 丄 = a person skilled in this art, without departing from the essence of the present invention The scope of protection shall be treated as follows: Xu Zhichang and retouching, so the scope of the patent application scope of the present invention shall be defined. Ll370tWf.ptd Page 15 1227070 Schematic illustration Schematic illustration Schematic illustration 1 A schematic diagram of the pre-tuning of a fast tuner according to a preferred embodiment of the present invention is shown; and FIG. 2 is a block diagram of a circuit of a fast tuner according to a preferred embodiment of the present invention. Description of the graphical symbols: 102: Comprehensive tester 104, 246: Computer 106, 20: Quick tuner 202, 208 :: Band switching switch 204: Low-band tuning circuit 206: High-band tuning circuit 210, 224 First energy storage circuit 212, 226 first amplifier circuits 214, 228 second energy storage circuits 216, 230 third energy storage circuits 218, 232 second amplifier circuits 220, 234 fourth energy storage circuits 222, 236 fifth energy storage circuits 238: memory 240 Serial Bus Interface 242: digital to analog converter circuit 244: Connector

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Claims (1)

1227070 A speed-recovery tuner for f-speed tuner, which is used to tune the frequency received from a receiving antenna. The reception signal is divided into a plurality of band signals. The band signals and the tuned circuits include at least: a first energy storage circuit for receiving one of the corresponding band signals and the band signals according to a first digital voltage. One of them performs band-pass filtering and outputs a first filtering signal; a first amplifying circuit is coupled to the first energy storage circuit for amplifying the read first filtering signal and outputting a first amplified filtering signal; A second energy storage circuit is coupled to the first amplifying circuit for receiving the first amplified filtering signal, and performing a band-pass filtering on the first amplified filtering signal according to a second digital voltage, and outputting a first Two filtering signals; a third energy storage circuit, coupled to the second energy storage circuit, for blowing the second filtering signal, and performing bandpass filtering on the second chirp signal based on a third digital voltage And output a third 遽A signal; a second amplifier circuit coupled to the third energy storage circuit for amplifying the read third filtered signal to output a third amplified filter signal; a fourth energy storage circuit coupled to the second amplifier A circuit for receiving the third amplified filtering signal and outputting a fourth data wave signal according to a fourth digital voltage as a band pass chirp; and a fifth energy storage circuit, The fourth energy storage circuit is coupled to blow the fourth filtering signal, and the fourth filtering signal is band-pass filtered according to a fifth digital voltage, and a fifth filtering signal is output. 1227070 6. The fast tuner described in item 1 of the patent application No. 1 and patent No. 1 in the patent scope, wherein the resistance f ^ the second energy storage circuit and the fifth energy storage circuit package I Matching circuit. Quickly! Please refer to the quick tuner described in item 1 of the patent scope, wherein the shovel_2 "self-interest includes a first-band switch" is used to divide the received signal into these band signals. As described in claim 3, the fast spectrum tuner, wherein the% 2 spectrum tuner further includes a second-band switching switch for outputting each of the: # circuits of the fifth energy storage circuit. The fifth filtered signal is synthesized into a tuning signal. 5. The fast tuning device as described in item 4 of the Shenjing patent range, wherein the spectrum modulation signal is transmitted to a mixer. . 6. The fast tuner according to item 1 of the scope of patent application, wherein the first digital voltage, the second digital voltage, the third digital voltage, the fourth digital voltage, and the fifth digital voltage are captured. A voltage data paired with temperature / frequency in a memory and obtained through a digital-to-analog conversion circuit. '7. The fast tuner as described in item 6 of the patent application scope, wherein the memory system is an electronic erasable programmable read-only memory. 8. The fast tuner according to item 6 of the scope of patent application, wherein the fast tuner is connected to a computer, and the computer retrieves the voltage data from the memory according to the current temperature, and the voltage data will be The digital-to-analog conversion circuit performs conversion to output the first digital voltage, the second digital voltage, the third digital voltage, the fourth digital voltage, and the fifth 1227070 6. Scope of patent application Digital voltage. A method for pre-tuning a fast tuner includes the following steps: receiving a test frequency signal; and "receiving a voltage at a temperature; maximizing the tuning frequency of the test frequency signal according to the voltage; and When the maximum tuning signal conforms to a range and the 围 * target range of the test frequency signal, the corresponding voltage will be stored according to the temperature! N H / frequency. The method is to apply for the pre-finance of the fast tuning number described in item 9 of item 11 of the patent. The second test straight frequency signal is provided by a comprehensive tester method. The voltage is sent by a computer. Pre-adjusting method of β device 1 2 · The method described in item 丨 丨 of the scope of patent application, wherein the computer sends, and pre-adjusts the regulator 1 3 according to the temperature. Item = voltage. Method, in which the electricity is stored in memory. Pre-adjustment 11370twf.ptd Page 19