JPH0224612U - - Google Patents
Info
- Publication number
- JPH0224612U JPH0224612U JP10336588U JP10336588U JPH0224612U JP H0224612 U JPH0224612 U JP H0224612U JP 10336588 U JP10336588 U JP 10336588U JP 10336588 U JP10336588 U JP 10336588U JP H0224612 U JPH0224612 U JP H0224612U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- frequency
- variable capacitance
- capacitance diode
- parallel
- 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
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来例を示す回路図である。
１０，２１…可変抵抗器、２２…圧電共振子、
２３…ＦＥＴ。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing a conventional example. 10, 21... Variable resistor, 22... Piezoelectric resonator,
23...FET.
Claims (1)
る並列同調回路を入力回路側に持つ増幅器と、該
増幅器に縦続接続されたインバータと、該インバ
ータ出力より複数の圧電共振子を介して前記並列
同調回路にフイードバツクする手段と、前記可変
容量ダイオードにより並列同調周波数をいずれか
の圧電共振子の周波数に合わせて所望圧電共振周
波数で発振させることを特徴とする発振回路。 an amplifier having a parallel tuned circuit including an inductance and a variable capacitance diode on the input circuit side; an inverter connected in cascade to the amplifier; and means for providing feedback from the output of the inverter to the parallel tuned circuit via a plurality of piezoelectric resonators. and an oscillation circuit characterized in that the variable capacitance diode causes the parallel tuning frequency to match the frequency of one of the piezoelectric resonators to oscillate at a desired piezoelectric resonance frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10336588U JPH0224612U (en) | 1988-08-04 | 1988-08-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10336588U JPH0224612U (en) | 1988-08-04 | 1988-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0224612U true JPH0224612U (en) | 1990-02-19 |
Family
ID=31334130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10336588U Pending JPH0224612U (en) | 1988-08-04 | 1988-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224612U (en) |
-
1988
- 1988-08-04 JP JP10336588U patent/JPH0224612U/ja active Pending