JPS5920706U - FM discriminator circuit - Google Patents
FM discriminator circuitInfo
- Publication number
- JPS5920706U JPS5920706U JP11461982U JP11461982U JPS5920706U JP S5920706 U JPS5920706 U JP S5920706U JP 11461982 U JP11461982 U JP 11461982U JP 11461982 U JP11461982 U JP 11461982U JP S5920706 U JPS5920706 U JP S5920706U
- Authority
- JP
- Japan
- Prior art keywords
- resonator
- peak detector
- discriminator circuit
- differential peak
- divided electrodes
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、ＦＭディスクリミネータ回路図、第２図は、
別のＦＭディスクリミネータ回路図、第３図は、本考案
−実施例の回路図である。
１０はＩＣ，１２，２２は圧電セラミック共振子、３３
はコンデンサ。Figure 1 is the FM discriminator circuit diagram, Figure 2 is:
Another FM discriminator circuit diagram, FIG. 3, is a circuit diagram of an embodiment of the present invention. 10 is an IC, 12, 22 are piezoelectric ceramic resonators, 33
is a capacitor.
Claims (1)
二個の入力端にそれぞれ印加された高周波信号を包路線
検波し、この検波された信号の差値に対応した出力を得
るディファレンシャルピーク検波器とを有し、前記共振
子の共通電極および前記ディファレンシャルピーク検波
器の入力の一端にＦＭ信号を印加するとともに、前記共
振子の分割電極の一方を、前記ディファレンシャルピー
ク検波器の入力の他端に接続し、かつ前記共振子の分割
電極の他方をコンデンサを介してアースに接続して、前
記ディファレンシャルピーク検波器の出力側からＦＭ検
波出力を得るＦＭディスクリミネータ回路であって、動
作周波数の異なる共振子を複数個備え、各共振子の共通
電極側に切換えスイッチを有し、スイッチを切換えるこ
とにより愕数の周波数の異なるＦＭ信号を復調するよう
にしたＦＭディスクリミネータ回路において、前記分割
電極の他方が共通のコンデンサを介してアースに接続さ
れていることを特徴とするＦＭディスクリミネータ回路
。A three-terminal energy trapping multimode resonator,
a differential peak detector that performs envelope detection on the high frequency signals applied to the two input terminals and obtains an output corresponding to the difference value of the detected signals, the common electrode of the resonator and the differential peak detector. An FM signal is applied to one end of the input of the peak detector, one of the divided electrodes of the resonator is connected to the other end of the input of the differential peak detector, and the other of the divided electrodes of the resonator is connected to a capacitor. An FM discriminator circuit that is connected to the ground via a FM discriminator circuit to obtain an FM detection output from the output side of the differential peak detector, comprising a plurality of resonators having different operating frequencies, and a common electrode side of each resonator. In the FM discriminator circuit, the other of the divided electrodes is connected to ground via a common capacitor. An FM discriminator circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11461982U JPS5920706U (en) | 1982-07-27 | 1982-07-27 | FM discriminator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11461982U JPS5920706U (en) | 1982-07-27 | 1982-07-27 | FM discriminator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920706U true JPS5920706U (en) | 1984-02-08 |
Family
ID=30264884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11461982U Pending JPS5920706U (en) | 1982-07-27 | 1982-07-27 | FM discriminator circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920706U (en) |
-
1982
- 1982-07-27 JP JP11461982U patent/JPS5920706U/en active Pending
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