JPS6170419U - - Google Patents
Info
- Publication number
- JPS6170419U JPS6170419U JP15346284U JP15346284U JPS6170419U JP S6170419 U JPS6170419 U JP S6170419U JP 15346284 U JP15346284 U JP 15346284U JP 15346284 U JP15346284 U JP 15346284U JP S6170419 U JPS6170419 U JP S6170419U
- Authority
- JP
- Japan
- Prior art keywords
- output
- converter
- preamplifier
- mixing circuit
- gain
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
Description
第１図は本考案の一実施例を示した回路図、第
２図は第１図の混合回路おけるミキサダイオード
のバイアス調整によるダイオード電流と利得の関
係を示した特性グラフ図である。
１……筐体、２……入力端子、３……前置増幅
器、４……トランジスタ、５，１５……可変電圧
源、６，９……バンドパスフイルタ、７……ミキ
サダイオード、８……混合回路、１０……局部発
振器、１１……出力増幅器、１２……出力端子。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a characteristic graph showing the relationship between diode current and gain due to mixer diode bias adjustment in the mixing circuit of FIG. 1. DESCRIPTION OF SYMBOLS 1... Housing, 2... Input terminal, 3... Preamplifier, 4... Transistor, 5, 15... Variable voltage source, 6, 9... Band pass filter, 7... Mixer diode, 8... ...mixing circuit, 10...local oscillator, 11...output amplifier, 12...output terminal.
Claims (1)
該前置増幅器の出力と局部発振器の出力とを混合
して入力信号を周波数変換するミキサダイオード
を備えた混合回路と、該混合回路の出力を増幅す
る出力増幅器とを有するコンバータに於いて、 前記混合回路のミキサダイオードに対する直流
バイアス電圧の可変で変換利得を調整する調整手
段を設けたことを特徴とするコンバータ利得調整
装置。 (2) 前記前置増幅器は、増幅利得を可変するバ
イアス調整手段を備えたことを特徴とする実用新
案登録請求の範囲第１項記載のコンバータ利得調
整装置。[Scope of claims for utility model registration] (1) A preamplifier that amplifies an input signal at high frequency;
In the converter, the converter includes a mixing circuit including a mixer diode that mixes the output of the preamplifier and the output of the local oscillator to frequency convert the input signal, and an output amplifier that amplifies the output of the mixing circuit. 1. A converter gain adjustment device comprising an adjustment means for adjusting conversion gain by varying a DC bias voltage for a mixer diode of a mixing circuit. (2) The converter gain adjustment device according to claim 1, wherein the preamplifier includes bias adjustment means for varying the amplification gain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15346284U JPS6170419U (en) | 1984-10-11 | 1984-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15346284U JPS6170419U (en) | 1984-10-11 | 1984-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6170419U true JPS6170419U (en) | 1986-05-14 |
Family
ID=30711480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15346284U Pending JPS6170419U (en) | 1984-10-11 | 1984-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6170419U (en) |
-
1984
- 1984-10-11 JP JP15346284U patent/JPS6170419U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2069990A1 (en) | Rf power amplifier | |
| US3991323A (en) | Pulse duration to current converter | |
| KR870001706A (en) | Frequency converter | |
| JPS6170419U (en) | ||
| JPS622817Y2 (en) | ||
| JPH0740647B2 (en) | Field effect transistor circuit | |
| JPS59195824U (en) | gain control circuit | |
| JPH01124708U (en) | ||
| JPS62147918U (en) | ||
| SU1584076A1 (en) | Voltage repeater | |
| JPS587727Y2 (en) | AM↓-SSB transmission output circuit | |
| JPH0298514U (en) | ||
| JPS6395316U (en) | ||
| JPS625714U (en) | ||
| JPS6214736Y2 (en) | ||
| JPS62161415U (en) | ||
| JPH02120957U (en) | ||
| JPS61149429U (en) | ||
| JPS625713U (en) | ||
| JPS601057U (en) | CATV converter | |
| JPH0316721U (en) | ||
| JPS6271943U (en) | ||
| JPH03130629U (en) | ||
| JPH0390115U (en) | ||
| JPS6381410U (en) |