JPS58183625U - Frequency characteristic variable circuit - Google Patents
Frequency characteristic variable circuitInfo
- Publication number
- JPS58183625U JPS58183625U JP8019682U JP8019682U JPS58183625U JP S58183625 U JPS58183625 U JP S58183625U JP 8019682 U JP8019682 U JP 8019682U JP 8019682 U JP8019682 U JP 8019682U JP S58183625 U JPS58183625 U JP S58183625U
- Authority
- JP
- Japan
- Prior art keywords
- frequency characteristic
- variable circuit
- characteristic variable
- power supply
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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図は本考案による周波数特性可変回路の一実施例を
示す回路図、第２図は第１図の回路に於ける電源電圧と
周波数特性との関係を示す図である。
１・・・入カドランス、２・・・初段トランジスタ、３
゜５．６・・・抵抗、４．９・・・可変抵抗器、７・・
・コンデンサ、８・・・増幅回路。FIG. 1 is a circuit diagram showing an embodiment of a variable frequency characteristic circuit according to the present invention, and FIG. 2 is a diagram showing the relationship between power supply voltage and frequency characteristics in the circuit of FIG. 1. 1... Input transformer, 2... First stage transistor, 3
゜5.6...Resistance, 4.9...Variable resistor, 7...
・Capacitor, 8...Amplification circuit.
Claims (1)
いて、この増幅回路の少なくとも初段に位置するトラン
ジスタに加える電源電圧を可変する電源電圧可変回路を
設け、こめ電源電性可変回路を調整して出力電圧を可変
することにより、増幅回路の周波数特性を制御すること
を特徴とする周波数特性可変回路。In an amplifier circuit that inputs and amplifies a signal such as a video signal, a power supply voltage variable circuit is provided to vary the power supply voltage applied to at least the first stage transistor of the amplifier circuit, and a power supply voltage variable circuit is adjusted. A frequency characteristic variable circuit characterized in that the frequency characteristic of an amplifier circuit is controlled by varying the output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8019682U JPS58183625U (en) | 1982-05-31 | 1982-05-31 | Frequency characteristic variable circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8019682U JPS58183625U (en) | 1982-05-31 | 1982-05-31 | Frequency characteristic variable circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58183625U true JPS58183625U (en) | 1983-12-07 |
Family
ID=30089350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8019682U Pending JPS58183625U (en) | 1982-05-31 | 1982-05-31 | Frequency characteristic variable circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58183625U (en) |
-
1982
- 1982-05-31 JP JP8019682U patent/JPS58183625U/en active Pending
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