JPH0214806B2 - - Google Patents

Info

Publication number
JPH0214806B2
JPH0214806B2 JP14383781A JP14383781A JPH0214806B2 JP H0214806 B2 JPH0214806 B2 JP H0214806B2 JP 14383781 A JP14383781 A JP 14383781A JP 14383781 A JP14383781 A JP 14383781A JP H0214806 B2 JPH0214806 B2 JP H0214806B2
Authority
JP
Japan
Prior art keywords
variable gain
circuit
gain circuit
attenuation
level
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.)
Expired
Application number
JP14383781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5846709A (ja
Inventor
Hideo Mori
Masayuki Uragami
Minoru Nomoto
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.)
Anritsu Corp
Original Assignee
Anritsu Corp
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 Anritsu Corp filed Critical Anritsu Corp
Priority to JP14383781A priority Critical patent/JPS5846709A/ja
Publication of JPS5846709A publication Critical patent/JPS5846709A/ja
Publication of JPH0214806B2 publication Critical patent/JPH0214806B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Noise Elimination (AREA)
JP14383781A 1981-09-14 1981-09-14 レベルブランキング回路 Granted JPS5846709A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14383781A JPS5846709A (ja) 1981-09-14 1981-09-14 レベルブランキング回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14383781A JPS5846709A (ja) 1981-09-14 1981-09-14 レベルブランキング回路

Publications (2)

Publication Number Publication Date
JPS5846709A JPS5846709A (ja) 1983-03-18
JPH0214806B2 true JPH0214806B2 (ko) 1990-04-10

Family

ID=15348093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14383781A Granted JPS5846709A (ja) 1981-09-14 1981-09-14 レベルブランキング回路

Country Status (1)

Country Link
JP (1) JPS5846709A (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62207016A (ja) * 1986-03-07 1987-09-11 Nec Corp 減衰回路
JP3086512B2 (ja) * 1990-11-14 2000-09-11 エリクソン−ジーイー モービル コミュニケーションズ ホールディング インコーポレイテッド 送信機及びその電力増幅回路
JP3139734B2 (ja) * 1995-11-07 2001-03-05 日本電気株式会社 可変利得増幅器

Also Published As

Publication number Publication date
JPS5846709A (ja) 1983-03-18

Similar Documents

Publication Publication Date Title
EP0583492B1 (en) Audio signal bass frequency enhancement device
JP2577490B2 (ja) Ｆｍフロントエンド部のａｇｃ回路
US5917372A (en) Automatic gain control circuit
JP3947865B2 (ja) 前置増幅器
EP0106368B1 (en) Noise reduction circuit arrangement of solid-state video camera
US3496481A (en) Automatic gain control system with noise variable threshold
JPH0214806B2 (ko)
US4797637A (en) PLL frequency synthesizer
EP1271768A1 (en) Analog base band unit for a RF receiver
US3918042A (en) Delta modulator having increased dynamic range
US4459557A (en) Compressor limiter for audio signal processing
US5350956A (en) Deviation limiting transmission circuit
US4331927A (en) Noninverting amplifier circuit with low input impedance
KR20000069917A (ko) 오디오 신호 처리 회로를 포함하는 오디오 시스템
JP2850962B2 (ja) ステレオ受信機回路
JP2576517B2 (ja) ノイズ低減回路
JPH10107738A (ja) 光受信機
SU1042158A1 (ru) Динамический фильтр
KR940000981B1 (ko) 영상신호 윤곽보정시스템
JP3384630B2 (ja) Ａｍｅ送信機の送信出力制御回路
US4560957A (en) Oscillator fine tune circuit
SU1494208A1 (ru) Усилительное устройство с регулируемым коэффициентом усилени
JPH0810807B2 (ja) システムクロック発振回路
JPH02101805A (ja) 圧電振動子駆動回路
SU1146795A1 (ru) Динамический фильтр