JPH0462492B2 - - Google Patents

Info

Publication number
JPH0462492B2
JPH0462492B2 JP8402184A JP8402184A JPH0462492B2 JP H0462492 B2 JPH0462492 B2 JP H0462492B2 JP 8402184 A JP8402184 A JP 8402184A JP 8402184 A JP8402184 A JP 8402184A JP H0462492 B2 JPH0462492 B2 JP H0462492B2
Authority
JP
Japan
Prior art keywords
layer
emitter
capacitance
type semiconductor
collector layer
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
JP8402184A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60229417A (ja
Inventor
Masahiro Sasaki
Yoshinori Okada
Kuniaki Miura
Isao Fukushima
Shigeaki Kanari
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.)
Hitachi Ltd
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Video Engineering 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 Hitachi Ltd, Hitachi Video Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP8402184A priority Critical patent/JPS60229417A/ja
Publication of JPS60229417A publication Critical patent/JPS60229417A/ja
Publication of JPH0462492B2 publication Critical patent/JPH0462492B2/ja
Granted legal-status Critical Current

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
    • 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
    • H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers

Landscapes

  • Semiconductor Integrated Circuits (AREA)
  • Networks Using Active Elements (AREA)
JP8402184A 1984-04-27 1984-04-27 フイルタ集積回路 Granted JPS60229417A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8402184A JPS60229417A (ja) 1984-04-27 1984-04-27 フイルタ集積回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8402184A JPS60229417A (ja) 1984-04-27 1984-04-27 フイルタ集積回路

Publications (2)

Publication Number Publication Date
JPS60229417A JPS60229417A (ja) 1985-11-14
JPH0462492B2 true JPH0462492B2 (enrdf_load_stackoverflow) 1992-10-06

Family

ID=13818908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8402184A Granted JPS60229417A (ja) 1984-04-27 1984-04-27 フイルタ集積回路

Country Status (1)

Country Link
JP (1) JPS60229417A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4990872A (en) * 1987-06-17 1991-02-05 Sanyo Electric Co., Ltd. Variable reactance circuit producing negative to positive varying reactance
JPH01279616A (ja) * 1988-05-06 1989-11-09 Hitachi Ltd 半導体集積回路

Also Published As

Publication number Publication date
JPS60229417A (ja) 1985-11-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees