JPS6455721U - - Google Patents
Info
- Publication number
- JPS6455721U JPS6455721U JP15089787U JP15089787U JPS6455721U JP S6455721 U JPS6455721 U JP S6455721U JP 15089787 U JP15089787 U JP 15089787U JP 15089787 U JP15089787 U JP 15089787U JP S6455721 U JPS6455721 U JP S6455721U
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- oscillator
- load resistor
- resistor
- fork
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図は本考案実施例の回路図である。第２図
はコンデンサ容量と周波数の関係を示す説明図、
第３図は抵抗値と周波数の関係を示す説明図、第
４図は総合的な周波数調整範囲を示した説明図で
ある。
１……振動子、３……エミツタフオロワ、６…
…コンデンサ、７……可変抵抗器。
FIG. 1 is a circuit diagram of an embodiment of the present invention. Figure 2 is an explanatory diagram showing the relationship between capacitor capacity and frequency.
FIG. 3 is an explanatory diagram showing the relationship between resistance value and frequency, and FIG. 4 is an explanatory diagram showing the overall frequency adjustment range. 1... Vibrator, 3... Emitsuta follower, 6...
...Capacitor, 7...Variable resistor.
Claims (1)
子及びこれを駆動するための増巾回路で構成する
発振器において、周波数微調整用の可変抵抗器を
具備し、この可変抵抗は前記振動子の負荷抵抗と
して接続され、この負荷抵抗に接続される前記増
幅回路の入力端をトランジスタのエミツクフオロ
ワで構成したことを特徴とする低周波音さ発振器
。 The oscillator is composed of a vibrator made of metal in the shape of a tuning fork and a piezoelectric element bonded to it, and an amplification circuit for driving the vibrator, and is equipped with a variable resistor for fine frequency adjustment. A low frequency tone fork oscillator connected as a load resistor, and characterized in that the input end of the amplifier circuit connected to the load resistor is constituted by an emitter follower of a transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15089787U JPS6455721U (en) | 1987-10-01 | 1987-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15089787U JPS6455721U (en) | 1987-10-01 | 1987-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6455721U true JPS6455721U (en) | 1989-04-06 |
Family
ID=31424450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15089787U Pending JPS6455721U (en) | 1987-10-01 | 1987-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6455721U (en) |
-
1987
- 1987-10-01 JP JP15089787U patent/JPS6455721U/ja active Pending