JPH01132111U - - Google Patents
Info
- Publication number
- JPH01132111U JPH01132111U JP2682088U JP2682088U JPH01132111U JP H01132111 U JPH01132111 U JP H01132111U JP 2682088 U JP2682088 U JP 2682088U JP 2682088 U JP2682088 U JP 2682088U JP H01132111 U JPH01132111 U JP H01132111U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- capacitance
- oscillation circuit
- capacitor
- peac
- 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
- 239000013078 crystal Substances 0.000 claims description 4
- NIJJYAXOARWZEE-UHFFFAOYSA-N Valproic acid Chemical compound CCCC(C(O)=O)CCC NIJJYAXOARWZEE-UHFFFAOYSA-N 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図は本考案による水晶発振器の回路図、第
２図ａはｐｅａｃ素子の等価回路図、第２図ｂは
ｐｅａｃ素子の容量／周波数特性図、第３図は本
考案の温度補償回路図、第４図は合成容量の等価
図である。
１，２……インバータ、５……定電圧回路、６
……帰還抵抗、７……水晶振動子、８……ｐｅａ
ｃ素子、９……固定容量、１６……サーミスタ。
Figure 1 is a circuit diagram of a crystal oscillator according to the present invention, Figure 2a is an equivalent circuit diagram of a PEAC element, Figure 2b is a capacitance/frequency characteristic diagram of a PEAC element, and Figure 3 is a temperature compensation circuit diagram of the present invention. , FIG. 4 is an equivalent diagram of the composite capacitance. 1, 2... Inverter, 5... Constant voltage circuit, 6
...Feedback resistor, 7...Crystal oscillator, 8...pea
c element, 9... fixed capacitance, 16... thermistor.
Claims (1)
テイング電極可変容量素子（ｐｅａｃ素子）を用
いて前記容量端子に水晶振動子を交流的に接続し
ている発振回路で、この発振回路は定電圧回路か
ら電源を供給されるものにおいて、前記容量端子
と並列に別個の固定容量を接続することを特徴と
する水晶発振器。 This oscillation circuit uses a floating electrode variable capacitance element (PEAC element) having an injection terminal, a capacitance terminal, and a ground terminal, and connects a crystal resonator to the capacitance terminal in an alternating current manner.This oscillation circuit is connected to a constant voltage circuit. A crystal oscillator supplied with power, characterized in that a separate fixed capacitor is connected in parallel with the capacitor terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682088U JPH0533054Y2 (en) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2682088U JPH0533054Y2 (en) | 1988-02-29 | 1988-02-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01132111U true JPH01132111U (en) | 1989-09-07 |
| JPH0533054Y2 JPH0533054Y2 (en) | 1993-08-24 |
Family
ID=31248790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2682088U Expired - Lifetime JPH0533054Y2 (en) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533054Y2 (en) |
-
1988
- 1988-02-29 JP JP2682088U patent/JPH0533054Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533054Y2 (en) | 1993-08-24 |
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