JPH0169667U - - Google Patents
Info
- Publication number
- JPH0169667U JPH0169667U JP1987162017U JP16201787U JPH0169667U JP H0169667 U JPH0169667 U JP H0169667U JP 1987162017 U JP1987162017 U JP 1987162017U JP 16201787 U JP16201787 U JP 16201787U JP H0169667 U JPH0169667 U JP H0169667U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- circuit
- oscillation
- base
- variable resistor
- 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
- 230000005284 excitation Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Special Spraying Apparatus (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
第１図は本考案による超音波霧化器用励振回路
の実施例を示す図、第２図は超音波霧化器用励振
回路の従来例を示す図である。
図において、３１，５１は発振用トランジスタ
、３２，５２は圧電振動子、５５はベース電流増
幅用トランジスタ、４０，５９は可変抵抗器、４
１，６０は整流器である。
FIG. 1 is a diagram showing an embodiment of an excitation circuit for an ultrasonic atomizer according to the present invention, and FIG. 2 is a diagram showing a conventional example of an excitation circuit for an ultrasonic atomizer. In the figure, 31 and 51 are oscillation transistors, 32 and 52 are piezoelectric vibrators, 55 are base current amplification transistors, 40 and 59 are variable resistors, and 4
1,60 is a rectifier.
Claims (1)
動するコレクタ接地形自励発振回路において、前
記トランジスタのベース回路に該ベース電流を増
幅するための第２のトランジスタを接続し、該第
２のトランジスタのベースバイアス回路に発振出
力を調節するための可変抵抗器を接続し、該可変
抵抗器の一端を前記発振用トランジスタのコレク
タと同電位になるように接続したことを特徴とす
る超音波霧化器用励振回路。 In a grounded collector self-oscillation circuit that drives a piezoelectric vibrator using a transistor as an active element, a second transistor for amplifying the base current is connected to the base circuit of the transistor, and the base bias of the second transistor is An excitation circuit for an ultrasonic atomizer, characterized in that a variable resistor for adjusting oscillation output is connected to the circuit, and one end of the variable resistor is connected to have the same potential as the collector of the oscillation transistor. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16201787U JPH0517184Y2 (en) | 1987-10-24 | 1987-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16201787U JPH0517184Y2 (en) | 1987-10-24 | 1987-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0169667U true JPH0169667U (en) | 1989-05-09 |
| JPH0517184Y2 JPH0517184Y2 (en) | 1993-05-10 |
Family
ID=31445465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16201787U Expired - Lifetime JPH0517184Y2 (en) | 1987-10-24 | 1987-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0517184Y2 (en) |
-
1987
- 1987-10-24 JP JP16201787U patent/JPH0517184Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517184Y2 (en) | 1993-05-10 |