JPS5715504A - Fm demodulating output circuit - Google Patents
Fm demodulating output circuitInfo
- Publication number
- JPS5715504A JPS5715504A JP9093880A JP9093880A JPS5715504A JP S5715504 A JPS5715504 A JP S5715504A JP 9093880 A JP9093880 A JP 9093880A JP 9093880 A JP9093880 A JP 9093880A JP S5715504 A JPS5715504 A JP S5715504A
- Authority
- JP
- Japan
- Prior art keywords
- trq
- capacitor
- conductive
- output circuit
- lpf
- 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.)
- Pending
Links
Landscapes
- Stereo-Broadcasting Methods (AREA)
Abstract
PURPOSE: To reduce the distortion factor of a demodulation signal, by turning on one of an NPN transistor (TR) and a PNP TR at charging/discharging of capacities of a capacitor and an LPF, in an output circuit of an FM demodulation circuit of a pulse count system.
CONSTITUTION: Amplified pulses are supplied to both the bases of TRs Q22, Q23, and when a TRQ21 is nonconductive, the TRQ22 is conductive and a capacitor C22 and a capacitance of an LPF21 are charged. On the othe hand, when the TRQ21 is conductive, the TRQ23 is conductive and the capacitor C22 and capacities of the capacitor C22 and an LPF are discharged.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9093880A JPS5715504A (en) | 1980-07-03 | 1980-07-03 | Fm demodulating output circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9093880A JPS5715504A (en) | 1980-07-03 | 1980-07-03 | Fm demodulating output circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5715504A true JPS5715504A (en) | 1982-01-26 |
Family
ID=14012385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9093880A Pending JPS5715504A (en) | 1980-07-03 | 1980-07-03 | Fm demodulating output circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5715504A (en) |
-
1980
- 1980-07-03 JP JP9093880A patent/JPS5715504A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56134811A (en) | Gain control circuit | |
GB1424082A (en) | Automatic gain control circuits | |
ES8304394A1 (en) | Circuitry for controlling the D.C. level of a video signal. | |
JPS5596722A (en) | Receiving detection circuit | |
JPS524105A (en) | Frequency synthesizer-method transmitter-receiver | |
JPS57152218A (en) | Frequency and voltage converting circuit | |
JPS54100617A (en) | Mixer circuit | |
JPS5715504A (en) | Fm demodulating output circuit | |
JPS5715505A (en) | Fm demodulation circuit | |
JPS5742206A (en) | Quadrature detector | |
JPS537352A (en) | Data collection system in digital telemeter system | |
JPS5761336A (en) | Output protection circuit of integrated injection logical circuit | |
JPS5550745A (en) | Muting signal generation circuit for fm receiver | |
JPS5232655A (en) | Logic low-pass filter circuit | |
JPS6451745A (en) | Data reception circuit | |
JPS5689142A (en) | Multipath distortion detecting circuit of fm receiver | |
JPS54158153A (en) | Fm demodulating circuit | |
JPS5246710A (en) | Transmission circuit | |
JPS6467012A (en) | Pulse count system fm demodulation circuit | |
JPS57185708A (en) | Amplifying circuit | |
EP0370559A3 (en) | Level detector of the integratable bipolar type for high-frequency sinusoidal signals | |
JPS5550727A (en) | Control circuit for tuning meter | |
JPS5629118A (en) | Meter circuit | |
JPS51127660A (en) | Fm demodulator | |
JPS56116346A (en) | Fm stereo demodulation circuit |