JPS4979762A - - Google Patents
Info
- Publication number
- JPS4979762A JPS4979762A JP12368372A JP12368372A JPS4979762A JP S4979762 A JPS4979762 A JP S4979762A JP 12368372 A JP12368372 A JP 12368372A JP 12368372 A JP12368372 A JP 12368372A JP S4979762 A JPS4979762 A JP S4979762A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
- H03D3/244—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for obtaining automatic gain control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12368372A JPS4979762A (pt) | 1972-12-09 | 1972-12-09 | |
| DE19732360910 DE2360910A1 (de) | 1972-12-09 | 1973-12-06 | Frequenzmodulationsempfaenger |
| GB5690473A GB1452498A (en) | 1972-12-09 | 1973-12-07 | Fm receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12368372A JPS4979762A (pt) | 1972-12-09 | 1972-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4979762A true JPS4979762A (pt) | 1974-08-01 |
Family
ID=14866717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12368372A Pending JPS4979762A (pt) | 1972-12-09 | 1972-12-09 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4979762A (pt) |
| DE (1) | DE2360910A1 (pt) |
| GB (1) | GB1452498A (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52105716A (en) * | 1976-03-01 | 1977-09-05 | Fujitsu Ltd | Fm signal demodulator circuit |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041493B2 (ja) * | 1977-03-16 | 1985-09-17 | ソニー株式会社 | 受信機 |
| NL184594C (nl) * | 1979-09-04 | 1989-09-01 | Philips Nv | Radio-ontvanger voorzien van een frequentie gesleutelde lus met audiofrequente terugkoppeling, en een stomschakeling. |
| NL8601844A (nl) * | 1986-07-15 | 1988-02-01 | Philips Nv | Demodulatorschakeling. |
| DE3936888C1 (pt) * | 1989-11-06 | 1991-05-23 | Stabo Elektronik Gmbh & Co Kg, 3200 Hildesheim, De |
-
1972
- 1972-12-09 JP JP12368372A patent/JPS4979762A/ja active Pending
-
1973
- 1973-12-06 DE DE19732360910 patent/DE2360910A1/de active Pending
- 1973-12-07 GB GB5690473A patent/GB1452498A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52105716A (en) * | 1976-03-01 | 1977-09-05 | Fujitsu Ltd | Fm signal demodulator circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2360910A1 (de) | 1974-06-12 |
| GB1452498A (en) | 1976-10-13 |