JPH048600U - - Google Patents
Info
- Publication number
- JPH048600U JPH048600U JP1990047699U JP4769990U JPH048600U JP H048600 U JPH048600 U JP H048600U JP 1990047699 U JP1990047699 U JP 1990047699U JP 4769990 U JP4769990 U JP 4769990U JP H048600 U JPH048600 U JP H048600U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- clear
- oscillator
- circuit
- outputs
- 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
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Tests Of Electronic Circuits (AREA)
Description
第１図は本考案実施例の使用状態を示すブロツ
ク図、第２図は従来の信号発生回路の使用状態を
示すブロツク図、第３図はカウンタから出力され
る信号の波形図である。
１……発振器、３……パワーオンクリア回路、
１１……カウンタ、１２……マルチプレクサ。
FIG. 1 is a block diagram showing how the embodiment of the present invention is used, FIG. 2 is a block diagram showing how a conventional signal generating circuit is used, and FIG. 3 is a waveform diagram of the signal output from the counter. 1... Oscillator, 3... Power-on clear circuit,
11...Counter, 12...Multiplexer.
Claims (1)
パワーオンクリア回路と、 所定の周波数の信号を発振する発振回路と、 パワーオンクリア回路のクリア信号を受けて発
振器から出力された信号を高域から低域に亘る複
数の周波数信号に分周して出力し、且つチヤネル
選択信号及び発振器停止用の信号を出力するカウ
ンタと、 カウンタから出力された複数の周波数信号が入
力され、チヤネル選択信号の入力によつて複数の
周波数信号を時系列的に順次出力するマルチプレ
クサとを備えるとともに前記カウンタの出力を受
けて前記発振器が停止するようになしたことを特
徴とする信号発生回路。[Scope of claim for utility model registration] A power-on clear circuit that outputs a clear signal when a power supply voltage is applied, an oscillation circuit that oscillates a signal at a predetermined frequency, and an oscillator that receives the clear signal from the power-on clear circuit. A counter that divides the output signal into multiple frequency signals ranging from high to low frequencies and outputs a channel selection signal and a signal for stopping the oscillator; and a multiplexer that sequentially outputs a plurality of frequency signals in time series in response to input of a channel selection signal, and the oscillator is configured to stop upon receiving an output of the counter. generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990047699U JPH048600U (en) | 1990-05-09 | 1990-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990047699U JPH048600U (en) | 1990-05-09 | 1990-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048600U true JPH048600U (en) | 1992-01-27 |
Family
ID=31563861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990047699U Pending JPH048600U (en) | 1990-05-09 | 1990-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048600U (en) |
-
1990
- 1990-05-09 JP JP1990047699U patent/JPH048600U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6344872Y2 (en) | ||
| JPH048600U (en) | ||
| GB1196823A (en) | Electrical Generator for Energizing a Source of Ultrasonic Energy. | |
| JPS6363918B2 (en) | ||
| JPH069581Y2 (en) | Switching regulator oscillator | |
| JPH02150834U (en) | ||
| JPS61109217U (en) | ||
| GB1172585A (en) | Acoustical Alarm | |
| JPS5484959A (en) | Signal generation circuit | |
| JPS6415411U (en) | ||
| JPH0172737U (en) | ||
| JPH0273813U (en) | ||
| JPH02108488U (en) | ||
| JPS6262334U (en) | ||
| JPS6448933U (en) | ||
| JPS6165596U (en) | ||
| JPH03109179U (en) | ||
| JPH03123327U (en) | ||
| JPS623125U (en) | ||
| JPH0466817U (en) | ||
| JPS62153593U (en) | ||
| JPS61189327U (en) | ||
| JPH0390283U (en) | ||
| JPH0328832U (en) | ||
| JPS5869339U (en) | Alarm signal generation circuit |