JPH02120936U - - Google Patents
Info
- Publication number
- JPH02120936U JPH02120936U JP2911589U JP2911589U JPH02120936U JP H02120936 U JPH02120936 U JP H02120936U JP 2911589 U JP2911589 U JP 2911589U JP 2911589 U JP2911589 U JP 2911589U JP H02120936 U JPH02120936 U JP H02120936U
- Authority
- JP
- Japan
- Prior art keywords
- radio receiver
- circuit
- agc circuit
- resistor
- series
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
図面は本願の実施例を示すブロツク図である。
図中、１はＦＥＴ、３はＡＧＣ回路、４は周波
数変換回路、５は局部発振回路、６は混合回路、
７は中間周波トランス、Ｃはコンデンサ、Ｒは抵
抗である。
The drawing is a block diagram showing an embodiment of the present application. In the figure, 1 is an FET, 3 is an AGC circuit, 4 is a frequency conversion circuit, 5 is a local oscillation circuit, 6 is a mixing circuit,
7 is an intermediate frequency transformer, C is a capacitor, and R is a resistor.
Claims (1)
、この出力信号をＡＧＣ回路に印加して、高周波
増幅回路における利得を制御するＦＭラジオ受信
機において、前記広帯域出力信号の抽出を、中間
周波トランスとＡＧＣ回路との間に、抵抗と直流
阻止用のコンデンサとを直列接続することにより
行うことを特徴とするＦＭラジオ受信機。 (2) 抵抗とコンデンサとを、中間周波トランス
の２次側と、ＡＧＣ回路との間に、直列接続した
ことを特徴とする請求項１記載のＦＭラジオ受信
機。[Claims for Utility Model Registration] (1) In an FM radio receiver that extracts a wideband output signal of a frequency conversion circuit and applies this output signal to an AGC circuit to control the gain in a high frequency amplifier circuit, An FM radio receiver characterized in that signal extraction is performed by connecting a resistor and a DC blocking capacitor in series between an intermediate frequency transformer and an AGC circuit. (2) The FM radio receiver according to claim 1, wherein a resistor and a capacitor are connected in series between the secondary side of the intermediate frequency transformer and the AGC circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2911589U JPH02120936U (en) | 1989-03-16 | 1989-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2911589U JPH02120936U (en) | 1989-03-16 | 1989-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02120936U true JPH02120936U (en) | 1990-10-01 |
Family
ID=31253038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2911589U Pending JPH02120936U (en) | 1989-03-16 | 1989-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02120936U (en) |
-
1989
- 1989-03-16 JP JP2911589U patent/JPH02120936U/ja active Pending