JPS62173837U - - Google Patents
Info
- Publication number
- JPS62173837U JPS62173837U JP20402785U JP20402785U JPS62173837U JP S62173837 U JPS62173837 U JP S62173837U JP 20402785 U JP20402785 U JP 20402785U JP 20402785 U JP20402785 U JP 20402785U JP S62173837 U JPS62173837 U JP S62173837U
- Authority
- JP
- Japan
- Prior art keywords
- output
- voltage
- predetermined
- discrimination level
- circuit
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Control Of Voltage And Current In General (AREA)
- Transceivers (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は電源回路３の動作を説明するための波形図、
第３図はスケルチ回路１８の動作を説明するため
の波形図、第４図は電源回路３においてダイオー
ド４５が設けられていないときの動作を説明する
ための波形図、第５図はスケルチ回路１８におけ
るライン５１およびダイオード５２が設けられて
いないときの動作を説明するための波形図である
。
１……受信機、２……送信機、３……電源回路
、５……切換えスイツチ、１４……周波数弁別回
路、１６……低周波増幅回路、１７……スピーカ
、１９……ノイズ増幅回路、２０，２１，５２…
…ダイオード、２２……平滑コンデンサ、２４…
…ノイズ制御回路、３２……安定回路、３４……
スイツチ回路、３５……切換えスイツチ。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a waveform diagram for explaining the operation of the power supply circuit 3.
3 is a waveform diagram for explaining the operation of the squelch circuit 18, FIG. 4 is a waveform diagram for explaining the operation when the diode 45 is not provided in the power supply circuit 3, and FIG. 5 is a waveform diagram for explaining the operation of the squelch circuit 18. FIG. 4 is a waveform diagram for explaining the operation when the line 51 and the diode 52 are not provided. 1... Receiver, 2... Transmitter, 3... Power supply circuit, 5... Changeover switch, 14... Frequency discrimination circuit, 16... Low frequency amplification circuit, 17... Speaker, 19... Noise amplification circuit , 20, 21, 52...
...Diode, 22...Smoothing capacitor, 24...
...Noise control circuit, 32... Stability circuit, 34...
Switch circuit, 35...changeover switch.
Claims (1)
とき、第１出力の電圧を遮断し、この第１出力電
圧が予め定めた第２弁別レベルになつたとき、第
２出力の電圧を導通するようにし、第１出力と負
荷との間に直列に順方向にダイオードを介在した
ことを特徴とする電源回路。 When the control signal reaches a predetermined first discrimination level, the voltage of the first output is cut off, and when the first output voltage reaches a predetermined second discrimination level, the voltage of the second output is turned on. A power supply circuit characterized in that a diode is interposed in series in a forward direction between the first output and the load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20402785U JPH0336128Y2 (en) | 1985-12-31 | 1985-12-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20402785U JPH0336128Y2 (en) | 1985-12-31 | 1985-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62173837U true JPS62173837U (en) | 1987-11-05 |
| JPH0336128Y2 JPH0336128Y2 (en) | 1991-07-31 |
Family
ID=31169903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20402785U Expired JPH0336128Y2 (en) | 1985-12-31 | 1985-12-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336128Y2 (en) |
-
1985
- 1985-12-31 JP JP20402785U patent/JPH0336128Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0336128Y2 (en) | 1991-07-31 |