JPH0382918U - - Google Patents
Info
- Publication number
- JPH0382918U JPH0382918U JP14385789U JP14385789U JPH0382918U JP H0382918 U JPH0382918 U JP H0382918U JP 14385789 U JP14385789 U JP 14385789U JP 14385789 U JP14385789 U JP 14385789U JP H0382918 U JPH0382918 U JP H0382918U
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- switching signal
- conduction
- switched
- buffer amplifier
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第１図はこの考案の一実施例の構成を示す回路
図、第２図は従来の発振器の構成を示す回路図で
ある。
１……局部発振器（広帯域発振器）、ＢＡ……
バツフアアンプ（トランジスタバツフアアンプ）
、Ｃ１，Ｃ３……結合コンデンサ、Ｄ１……ダイ
オード（スイツチダイオード）。
FIG. 1 is a circuit diagram showing the configuration of an embodiment of this invention, and FIG. 2 is a circuit diagram showing the configuration of a conventional oscillator. 1...Local oscillator (broadband oscillator), BA...
Buffer amplifier (transistor buffer amplifier)
, C1, C3...coupling capacitor, D1...diode (switch diode).
Claims (1)
られる広帯域発振器と、この広帯域発振器の出力
信号が結合コンデンサを介してベースに入力され
るトランジスタバツフアアンプとを備えた発振器
において、 前記結合コンデンサに並列にスイツチダイオー
ドを設け、 バンド切換に対応した切換信号により前記スイ
ツチダイオードを導通および非導通に切り換える
とともに、導通時には前記切換信号を前記トラン
ジスタバツフアアンプのベースバイアス電圧とし
て重畳することを特徴とする広帯域発振器の出力
レベル補正回路。[Claims for Utility Model Registration] In an oscillator comprising a wideband oscillator whose oscillation frequency is switched by a band switching signal, and a transistor buffer amplifier into which the output signal of the wideband oscillator is input to the base via a coupling capacitor. , a switch diode is provided in parallel with the coupling capacitor, and the switch diode is switched into conduction and non-conduction by a switching signal corresponding to band switching, and when conductive, the switching signal is superimposed as a base bias voltage of the transistor buffer amplifier. A wideband oscillator output level correction circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14385789U JPH0382918U (en) | 1989-12-13 | 1989-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14385789U JPH0382918U (en) | 1989-12-13 | 1989-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382918U true JPH0382918U (en) | 1991-08-23 |
Family
ID=31690609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14385789U Pending JPH0382918U (en) | 1989-12-13 | 1989-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382918U (en) |
-
1989
- 1989-12-13 JP JP14385789U patent/JPH0382918U/ja active Pending