CA949140A - Balanced variable gain amplifier - Google Patents

Balanced variable gain amplifier

Info

Publication number
CA949140A
CA949140A CA120,147A CA120147A CA949140A CA 949140 A CA949140 A CA 949140A CA 120147 A CA120147 A CA 120147A CA 949140 A CA949140 A CA 949140A
Authority
CA
Canada
Prior art keywords
variable gain
gain amplifier
balanced variable
balanced
amplifier
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
CA120,147A
Other languages
English (en)
Other versions
CA120147S (en
Inventor
Jack Craft
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Priority to CA181,299,A priority Critical patent/CA951801A/en
Application granted granted Critical
Publication of CA949140A publication Critical patent/CA949140A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
CA120,147A 1970-08-26 1971-08-09 Balanced variable gain amplifier Expired CA949140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA181,299,A CA951801A (en) 1970-08-26 1973-09-18 Balanced variable gain amplifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6697370A 1970-08-26 1970-08-26
US6694470A 1970-08-26 1970-08-26

Publications (1)

Publication Number Publication Date
CA949140A true CA949140A (en) 1974-06-11

Family

ID=26747327

Family Applications (2)

Application Number Title Priority Date Filing Date
CA120,146A Expired CA941916A (en) 1970-08-26 1971-08-09 Variable gain amplifier
CA120,147A Expired CA949140A (en) 1970-08-26 1971-08-09 Balanced variable gain amplifier

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA120,146A Expired CA941916A (en) 1970-08-26 1971-08-09 Variable gain amplifier

Country Status (8)

Country Link
US (2) US3678406A (nl)
JP (1) JPS518778B1 (nl)
AU (1) AU463055B2 (nl)
CA (2) CA941916A (nl)
DE (1) DE2142817C3 (nl)
FR (1) FR2106036A5 (nl)
GB (1) GB1362282A (nl)
NL (1) NL178830C (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308835C3 (de) * 1972-03-02 1986-03-27 Sony Corp., Tokio/Tokyo Regelbarer Verstärker für elektrische Signale
NL7508772A (nl) * 1975-07-23 1977-01-25 Philips Nv Inrichting voor het opwekken van impulsvormige signalen.
US5283477A (en) * 1989-08-31 1994-02-01 Sharp Kabushiki Kaisha Common driver circuit
US6438360B1 (en) * 1999-07-22 2002-08-20 Motorola, Inc. Amplifier system with load control to produce an amplitude envelope
US6268768B1 (en) * 1999-11-29 2001-07-31 Lucent Technologies Inc. Amplifier having linear characteristics
US7181165B2 (en) * 2003-08-26 2007-02-20 Uni-Art Precise Products Ltd. Local wireless audio signal RF transmitter and receiver having a single downconverter without need for IF carrier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512096A (en) * 1967-05-31 1970-05-12 Hitachi Ltd Transistor circuit having stabilized output d.c. level

Also Published As

Publication number Publication date
DE2142817B2 (de) 1973-06-20
AU3208871A (en) 1973-02-08
NL178830C (nl) 1986-05-16
JPS518778B1 (nl) 1976-03-19
DE2142817A1 (de) 1972-03-02
AU463055B2 (en) 1975-07-17
US3678406A (en) 1972-07-18
NL178830B (nl) 1985-12-16
US3678403A (en) 1972-07-18
FR2106036A5 (nl) 1972-04-28
DE2142817C3 (de) 1978-08-24
NL7111700A (nl) 1972-02-29
CA941916A (en) 1974-02-12
GB1362282A (en) 1974-08-07

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