NL167559B - Alles doorlatend of bandsperrend, actief filter. - Google Patents

Alles doorlatend of bandsperrend, actief filter.

Info

Publication number
NL167559B
NL167559B NL7413975.A NL7413975A NL167559B NL 167559 B NL167559 B NL 167559B NL 7413975 A NL7413975 A NL 7413975A NL 167559 B NL167559 B NL 167559B
Authority
NL
Netherlands
Prior art keywords
everything
permissible
tire
safe
active filter
Prior art date
Application number
NL7413975.A
Other languages
English (en)
Other versions
NL7413975A (nl
NL167559C (nl
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of NL7413975A publication Critical patent/NL7413975A/nl
Publication of NL167559B publication Critical patent/NL167559B/nl
Application granted granted Critical
Publication of NL167559C publication Critical patent/NL167559C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
NL7413975.A 1973-10-26 1974-10-25 Alles doorlatend of bandsperrend, actief filter. NL167559C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4997473A GB1452081A (en) 1973-10-26 1973-10-26 Transfer function control networks

Publications (3)

Publication Number Publication Date
NL7413975A NL7413975A (nl) 1975-04-29
NL167559B true NL167559B (nl) 1981-07-16
NL167559C NL167559C (nl) 1981-12-16

Family

ID=10454177

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7413975.A NL167559C (nl) 1973-10-26 1974-10-25 Alles doorlatend of bandsperrend, actief filter.

Country Status (7)

Country Link
US (1) US3906390A (nl)
JP (1) JPS5080745A (nl)
CA (1) CA1024613A (nl)
DE (1) DE2450917C3 (nl)
FR (1) FR2249490B1 (nl)
GB (1) GB1452081A (nl)
NL (1) NL167559C (nl)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001735A (en) * 1975-11-20 1977-01-04 Northern Electric Company Limited Single amplifier immittance network
JPS5280760A (en) * 1975-12-27 1977-07-06 Nissan Motor Circuit for correcting bias current of operational amplifier
US4069459A (en) * 1976-08-23 1978-01-17 Santa Barbara Research Center Feedback capacitor divider
JPS5378146A (en) * 1976-12-22 1978-07-11 Hitachi Ltd Variable equalizer
CA1124339A (en) * 1979-05-15 1982-05-25 Israel Levi Amplitude equalizer circuit
US4352074A (en) * 1980-02-01 1982-09-28 Westinghouse Electric Corp. Phase-locked loop filter
DE3314468A1 (de) * 1982-05-14 1984-01-12 Racal-Milgo, Inc., 33166 Miami, Fla. Allpassfilterschaltung
IT1186377B (it) * 1985-11-20 1987-11-26 Sgs Microelettronica Spa Dispositivo per minimizzare le capacita' parassite di giunzione di un transistor pnp verticale a collettore isolato
US4984292A (en) * 1988-09-28 1991-01-08 Correpro (Canada) Inc. Bandpass amplifier and receiver using bandpass amplifier
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
CN106415435B (zh) 2013-09-17 2020-08-11 帕克维辛股份有限公司 用于呈现信息承载时间函数的方法、装置和系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838351A (en) * 1971-09-07 1974-09-24 Hekimian Laboratories Inc Active notch filter and dual mode filter/oscillator

Also Published As

Publication number Publication date
GB1452081A (en) 1976-10-06
FR2249490A1 (nl) 1975-05-23
DE2450917C3 (de) 1979-02-08
CA1024613A (en) 1978-01-17
NL7413975A (nl) 1975-04-29
DE2450917A1 (de) 1975-04-30
NL167559C (nl) 1981-12-16
DE2450917B2 (de) 1978-06-15
FR2249490B1 (nl) 1979-08-03
JPS5080745A (nl) 1975-07-01
US3906390A (en) 1975-09-16

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Legal Events

Date Code Title Description
SNR Assignments of patents or rights arising from examined patent applications

Owner name: BRITISH TELECOMMUNICATIONS PLC

SNR Assignments of patents or rights arising from examined patent applications

Owner name: BRITISH TELECOMMUNICATIONS PLC

V4 Discontinued because of reaching the maximum lifetime of a patent