JPS60241308A - トランジスタ回路 - Google Patents

トランジスタ回路

Info

Publication number
JPS60241308A
JPS60241308A JP9775884A JP9775884A JPS60241308A JP S60241308 A JPS60241308 A JP S60241308A JP 9775884 A JP9775884 A JP 9775884A JP 9775884 A JP9775884 A JP 9775884A JP S60241308 A JPS60241308 A JP S60241308A
Authority
JP
Japan
Prior art keywords
transistor
resistors
potential
gain
transistors
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
Application number
JP9775884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0358201B2 (enrdf_load_stackoverflow
Inventor
Maki Ikeda
真樹 池田
Shigeru Kagawa
香川 茂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9775884A priority Critical patent/JPS60241308A/ja
Publication of JPS60241308A publication Critical patent/JPS60241308A/ja
Publication of JPH0358201B2 publication Critical patent/JPH0358201B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/02Manually-operated control
    • H03G3/04Manually-operated control in untuned amplifiers
    • H03G3/10Manually-operated control in untuned amplifiers having semiconductor devices

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP9775884A 1984-05-16 1984-05-16 トランジスタ回路 Granted JPS60241308A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9775884A JPS60241308A (ja) 1984-05-16 1984-05-16 トランジスタ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9775884A JPS60241308A (ja) 1984-05-16 1984-05-16 トランジスタ回路

Publications (2)

Publication Number Publication Date
JPS60241308A true JPS60241308A (ja) 1985-11-30
JPH0358201B2 JPH0358201B2 (enrdf_load_stackoverflow) 1991-09-04

Family

ID=14200774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9775884A Granted JPS60241308A (ja) 1984-05-16 1984-05-16 トランジスタ回路

Country Status (1)

Country Link
JP (1) JPS60241308A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108810A (ja) * 1981-12-23 1983-06-29 Sony Tektronix Corp 可変利得増幅器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108810A (ja) * 1981-12-23 1983-06-29 Sony Tektronix Corp 可変利得増幅器

Also Published As

Publication number Publication date
JPH0358201B2 (enrdf_load_stackoverflow) 1991-09-04

Similar Documents

Publication Publication Date Title
US5570055A (en) Demodulating logarithmic amplifier
US4647839A (en) High precision voltage-to-current converter, particularly for low supply voltages
US4403199A (en) Gain control systems
EP0541163B1 (en) Multiplying digital-to-analogue converter
ATE62093T1 (de) Logische schaltung.
US3924199A (en) N-pole filter circuit having cascaded filter sections
US5132559A (en) Circuit for trimming input offset voltage utilizing variable resistors
JPS60241308A (ja) トランジスタ回路
US3717777A (en) Digital to analog converter including improved reference current source
JPS59185419A (ja) 周波数―位相変換器
US5130577A (en) Computational circuit for transforming an analog input voltage into attenuated output current proportional to a selected transfer function
US4523153A (en) Variable gain amplifier
GB2195211A (en) Improved transconductor
EP0051362A2 (en) Electronic gain control circuit
JPS6252486B2 (enrdf_load_stackoverflow)
JP3043044B2 (ja) D/a変換回路
US5834963A (en) Circuit configuration for parameter adjustment
JP2969665B2 (ja) バイアス電圧設定回路
JPS6241453Y2 (enrdf_load_stackoverflow)
JP2901248B2 (ja) 可変リアクタンス回路
US3449557A (en) Function generators
JPS6038057B2 (ja) デルタ変調復号器
JPH0677745A (ja) 電圧電流変換回路
JPS61264910A (ja) レベルシフト回路
JPS61184909A (ja) 信号処理回路