JPS63181012U - - Google Patents
Info
- Publication number
- JPS63181012U JPS63181012U JP7177887U JP7177887U JPS63181012U JP S63181012 U JPS63181012 U JP S63181012U JP 7177887 U JP7177887 U JP 7177887U JP 7177887 U JP7177887 U JP 7177887U JP S63181012 U JPS63181012 U JP S63181012U
- Authority
- JP
- Japan
- Prior art keywords
- variable capacitance
- voltage
- controlled
- capacitance element
- piezoelectric oscillator
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図は本考案の電圧制御型水晶発振器の要部
の回路、第２図は従来の電圧制御型水晶発振器の
一例を示す回路図、第３図は第１図、第２図の回
路の周波数可変特性を示すグラフである。
１，２…可変容量素子、９…電源、１０…水晶
振動子、１１…可変容量素子、１５…電源、１６
…水晶振動子、１７，１８…位相反転コンデンサ
、１９…増幅回路、２０…帰還回路。
Figure 1 is a circuit diagram of the main part of the voltage controlled crystal oscillator of the present invention, Figure 2 is a circuit diagram showing an example of a conventional voltage controlled crystal oscillator, and Figure 3 is a circuit diagram of the circuit shown in Figures 1 and 2. It is a graph showing frequency variable characteristics. 1, 2... Variable capacitance element, 9... Power supply, 10... Crystal resonator, 11... Variable capacitance element, 15... Power supply, 16
...Crystal resonator, 17, 18... Phase inversion capacitor, 19... Amplification circuit, 20... Feedback circuit.
Claims (1)
と該可変容量素子に直列接続された圧電振動子と
を含む電圧制御圧電発振器において、前記可変容
量素子をコンデンサを介して２個以上直列接続し
たことを特徴とする電圧制御圧電発振器。 A voltage-controlled piezoelectric oscillator including a variable capacitance element controlled by a frequency control voltage and a piezoelectric vibrator connected in series to the variable capacitance element, characterized in that two or more of the variable capacitance elements are connected in series via a capacitor. Voltage controlled piezoelectric oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7177887U JPH0522969Y2 (en) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7177887U JPH0522969Y2 (en) | 1987-05-15 | 1987-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63181012U true JPS63181012U (en) | 1988-11-22 |
| JPH0522969Y2 JPH0522969Y2 (en) | 1993-06-14 |
Family
ID=30914642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7177887U Expired - Lifetime JPH0522969Y2 (en) | 1987-05-15 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522969Y2 (en) |
-
1987
- 1987-05-15 JP JP7177887U patent/JPH0522969Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522969Y2 (en) | 1993-06-14 |