JPS5826244U - FM modulation circuit - Google Patents
FM modulation circuitInfo
- Publication number
- JPS5826244U JPS5826244U JP1981119075U JP11907581U JPS5826244U JP S5826244 U JPS5826244 U JP S5826244U JP 1981119075 U JP1981119075 U JP 1981119075U JP 11907581 U JP11907581 U JP 11907581U JP S5826244 U JPS5826244 U JP S5826244U
- Authority
- JP
- Japan
- Prior art keywords
- modulation circuit
- variable capacitance
- capacitance diode
- signal line
- audio signal
- 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
- Transceivers (AREA)
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、従来例の回路図、第２図は、本案実施例の回
路図、第３図は、波形図である。
ＣＯ８・・・クリスタル発振回路、ＶＣＤ・・・可変容
量ダイオード、１・・・音声信号ライン、２・・・トー
ン信号ライン。FIG. 1 is a circuit diagram of a conventional example, FIG. 2 is a circuit diagram of an embodiment of the present invention, and FIG. 3 is a waveform diagram. CO8...Crystal oscillation circuit, VCD...Variable capacitance diode, 1...Audio signal line, 2...Tone signal line.
Claims (1)
を介在させ、該可変容量ダイオードの容量を音声信号と
トーン信号とで変化させるようにしたＦＭ変調回路にお
いて、音声信号ライン１とトーン信号ライン２とを上記
可変容量ダイオードＶＣＤのアノード側とカソード側と
に個別に接続したことを特徴とするＦＭ変調回路。Variable capacitance diode VCD in crystal oscillation circuit CO8
In the FM modulation circuit in which the capacitance of the variable capacitance diode is changed between the audio signal and the tone signal by interposing the variable capacitance diode, the audio signal line 1 and the tone signal line 2 are connected to the anode side and the cathode side of the variable capacitance diode VCD. An FM modulation circuit characterized in that it is individually connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981119075U JPS5826244U (en) | 1981-08-10 | 1981-08-10 | FM modulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981119075U JPS5826244U (en) | 1981-08-10 | 1981-08-10 | FM modulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5826244U true JPS5826244U (en) | 1983-02-19 |
Family
ID=29913159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981119075U Pending JPS5826244U (en) | 1981-08-10 | 1981-08-10 | FM modulation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5826244U (en) |
-
1981
- 1981-08-10 JP JP1981119075U patent/JPS5826244U/en active Pending
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