JPS6090910U - oscillator - Google Patents
oscillatorInfo
- Publication number
- JPS6090910U JPS6090910U JP18101083U JP18101083U JPS6090910U JP S6090910 U JPS6090910 U JP S6090910U JP 18101083 U JP18101083 U JP 18101083U JP 18101083 U JP18101083 U JP 18101083U JP S6090910 U JPS6090910 U JP S6090910U
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- differential amplifier
- transistors
- base electrodes
- amplifier circuit
- 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
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Superheterodyne Receivers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の局部発振器と、周波数混合器の一例を示
す回路図、第２図はこの考案の一実施例を示す発振器で
構成されている局部発振部、及び周波数変換部の回路図
である。
図中、Ｑｌｌ、Ｑｌ。、Ｑ１３は第１の差動増幅回路を
形成するトランジスタ、Ｑ□４９ Ｑｌ５ ？ Ｑｌ６
ｆ Ｑｌ７９Ｑ□８は第２の差動増幅回路を構成する
トランジスタ、Ｌ□、Ｃ１は共振回路を構成するコイル
と可変コンデンサ、ｃｏは正帰還用のコンデンサを示す
。Fig. 1 is a circuit diagram showing an example of a conventional local oscillator and a frequency mixer, and Fig. 2 is a circuit diagram of a local oscillator and frequency converter comprising an oscillator, showing an embodiment of this invention. be. In the figure, Qll, Ql. , Q13 is a transistor forming the first differential amplifier circuit, Q□49 Ql5 ? Ql6
f Ql79Q□8 is a transistor constituting the second differential amplifier circuit, L□, C1 is a coil and variable capacitor constituting a resonant circuit, and co is a capacitor for positive feedback.
Claims (2)
動増幅回路に正帰還を施した発振回路の出力１．
を、前記第１、第２のトランジスタのベース電極にそ
れぞれのベース電極が接続されている第２の差動増幅回
路から取り出すように構成したことを特徴とする発振器
。(1) Output 1 of an oscillation circuit in which positive feedback is applied to a first differential amplifier circuit made up of first and second transistors.
An oscillator characterized in that the oscillator is configured to be extracted from a second differential amplifier circuit whose base electrodes are connected to the base electrodes of the first and second transistors.
ダ電流がそれぞれ個別に調整できるように構成されてい
ることを特徴とする実用新案登録請求の範囲第（１）項
記載の発振器。(2) The oscillator according to claim (1), wherein the oscillator is configured such that the common emitter currents of the first and second differential amplifier circuits can be adjusted individually. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18101083U JPS6090910U (en) | 1983-11-25 | 1983-11-25 | oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18101083U JPS6090910U (en) | 1983-11-25 | 1983-11-25 | oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6090910U true JPS6090910U (en) | 1985-06-21 |
Family
ID=30392337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18101083U Pending JPS6090910U (en) | 1983-11-25 | 1983-11-25 | oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6090910U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147360A (en) * | 1974-10-22 | 1976-04-22 | Sony Corp | HATSUSHINKAIRO |
| JPS57207358A (en) * | 1981-05-30 | 1982-12-20 | Philips Nv | Circuit with semiconductor integrated circuit |
-
1983
- 1983-11-25 JP JP18101083U patent/JPS6090910U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147360A (en) * | 1974-10-22 | 1976-04-22 | Sony Corp | HATSUSHINKAIRO |
| JPS57207358A (en) * | 1981-05-30 | 1982-12-20 | Philips Nv | Circuit with semiconductor integrated circuit |
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