JPS5533352A - Channel selection device for receiver - Google Patents
Channel selection device for receiverInfo
- Publication number
- JPS5533352A JPS5533352A JP10582278A JP10582278A JPS5533352A JP S5533352 A JPS5533352 A JP S5533352A JP 10582278 A JP10582278 A JP 10582278A JP 10582278 A JP10582278 A JP 10582278A JP S5533352 A JPS5533352 A JP S5533352A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- pulse
- circuit
- generated
- power source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To realize a miniature size for the power source part by supplying the pulse signals generated in response to the channel selection operation into the saturation into the saturation amplifier and then applying the DC voltage generated in accordance with the output of the amplifier to the variable capacity element.
CONSTITUTION: The tuning pulse row signals are generated from pulse generation circuit 5 in coupling to the tuning dial operation and then supplied to controller 6. The pulse row signals sent from controller 6 are amplified by saturation amplifier 13, whose amplification factor is saturated in response to the pulse row signals, and then suplied to integrating circuit 7 to generated DC voltage Vf according to the input pulse number. For circuit 13, C-MOSFETQP and QN are constituted, and DC voltage VD applied to the source of FETQP is supplied via stabilizing power source 15 stabilizing the voltage boosted by DC-DC converter 14. Circuit 7 consists of resistance R and capacitor C generates voltage Vf according to the pulse number, and voltage Vf is applied to variable capacity diode 10 to select the desired channel. Circuit 13 consists of C-MOSFET, and as a result the capacity can be reduced to minimize the size of the power source part.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10582278A JPS59166B2 (en) | 1978-08-30 | 1978-08-30 | Receiver tuning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10582278A JPS59166B2 (en) | 1978-08-30 | 1978-08-30 | Receiver tuning device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5533352A true JPS5533352A (en) | 1980-03-08 |
JPS59166B2 JPS59166B2 (en) | 1984-01-05 |
Family
ID=14417750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10582278A Expired JPS59166B2 (en) | 1978-08-30 | 1978-08-30 | Receiver tuning device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59166B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010124110A (en) * | 2008-11-18 | 2010-06-03 | Alps Electric Co Ltd | Electronic apparatus |
-
1978
- 1978-08-30 JP JP10582278A patent/JPS59166B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010124110A (en) * | 2008-11-18 | 2010-06-03 | Alps Electric Co Ltd | Electronic apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS59166B2 (en) | 1984-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5292321A (en) | Power supply circuit | |
JPS5463662A (en) | Current supply circuit | |
JPS5620314A (en) | Electric power amplifier | |
JPS5533352A (en) | Channel selection device for receiver | |
JPS5533353A (en) | Channel selection device for receiver | |
JPS579100A (en) | High voltage generator for x-ray device | |
JPS5365645A (en) | Field effect transistor amplifier circuit | |
JPS5320555A (en) | Constant current circuit | |
JPS5658306A (en) | Automatic gain control circuit | |
JPS54157459A (en) | Amplifier circuit | |
JPS53129948A (en) | Automatic gain control unit | |
JPS54154066A (en) | Constant-voltage power supply circuit | |
JPS5779731A (en) | D-a converter | |
JPS5547729A (en) | Variable time constant unit | |
JPS5586215A (en) | Doubling circuit | |
JPS5472444A (en) | Control of constant-voltage circuit | |
JPS5471966A (en) | Low frequency amplifier circuit | |
JPS5687117A (en) | Switching regulator | |
SU718885A1 (en) | Pulse power amplifier | |
JPS53127628A (en) | Dc-dc converter | |
JPS53117709A (en) | Dummy resistor on-off circuit | |
JPS53115051A (en) | Voltage control circuit | |
JPS5368151A (en) | Modulation type amplifier | |
JPS548922A (en) | Gain control circuit for chroma signal | |
JPS54142013A (en) | Horizontal drive circuit |