CA921137A - Film attenuator and other film resistors - Google Patents

Film attenuator and other film resistors

Info

Publication number
CA921137A
CA921137A CA105446A CA105446A CA921137A CA 921137 A CA921137 A CA 921137A CA 105446 A CA105446 A CA 105446A CA 105446 A CA105446 A CA 105446A CA 921137 A CA921137 A CA 921137A
Authority
CA
Canada
Prior art keywords
film
attenuator
resistors
film resistors
film attenuator
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
CA105446A
Other versions
CA105446S (en
Inventor
A. Pye Walter
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.)
Welwyn Electric Ltd
Original Assignee
Welwyn Electric 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 Welwyn Electric Ltd filed Critical Welwyn Electric Ltd
Application granted granted Critical
Publication of CA921137A publication Critical patent/CA921137A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24—Frequency- independent attenuators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49099—Coating resistive material on a base

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Attenuators (AREA)
CA105446A 1970-02-27 1971-02-16 Film attenuator and other film resistors Expired CA921137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB972070 1970-02-27

Publications (1)

Publication Number Publication Date
CA921137A true CA921137A (en) 1973-02-13

Family

ID=9877477

Family Applications (1)

Application Number Title Priority Date Filing Date
CA105446A Expired CA921137A (en) 1970-02-27 1971-02-16 Film attenuator and other film resistors

Country Status (3)

Country Link
US (1) US3680013A (en)
CA (1) CA921137A (en)
GB (1) GB1302272A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349792A (en) * 1978-07-14 1982-09-14 Kings Electronics Co., Inc. Pi pad attenuator
US4600816A (en) * 1982-09-03 1986-07-15 Larus Corporation Attenuator adapted for clip mounting to connecting block terminals
US4475099A (en) * 1983-06-27 1984-10-02 Analogic Corporation Voltage divider
US4505032A (en) * 1983-06-27 1985-03-19 Analogic Corporation Method of making a voltage divider
US4617548A (en) * 1985-01-07 1986-10-14 Burroughs Corporation Current sensing resistance apparatus
DE19755753A1 (en) * 1997-12-16 1999-06-17 Bosch Gmbh Robert Resistor device and method for its production
GB9813668D0 (en) * 1998-06-25 1998-08-26 Sentec Ltd Printed circuit board current sensor
US6664500B2 (en) 2000-12-16 2003-12-16 Anadigics, Inc. Laser-trimmable digital resistor
US6585904B2 (en) * 2001-02-15 2003-07-01 Peter Kukanskis Method for the manufacture of printed circuit boards with plated resistors
US6732422B1 (en) * 2002-01-04 2004-05-11 Taiwan Semiconductor Manufacturing Company Method of forming resistors
US7599629B2 (en) * 2003-06-06 2009-10-06 Scientific-Atlanta, Inc. Optical receiver having an open loop automatic gain control circuit
US8098127B2 (en) * 2007-06-07 2012-01-17 Its Electronics Inc. Resistor for microwave applications
US20090015355A1 (en) * 2007-07-12 2009-01-15 Endwave Corporation Compensated attenuator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2119195A (en) * 1935-11-05 1938-05-31 Mallory & Co Inc P R Constant impedance attenuator
US3227975A (en) * 1964-08-31 1966-01-04 Hewlett Packard Co Fixed coaxial line attenuator with dielectric-mounted resistive film
US3329921A (en) * 1964-10-16 1967-07-04 Collins Radio Co Adjustable center tap resistor
US3594679A (en) * 1968-04-18 1971-07-20 Corning Glass Works Method of making low noise film resistors and article
US3521201A (en) * 1968-11-01 1970-07-21 Hewlett Packard Co Coaxial attenuator having at least two regions of resistive material
JPS499570B1 (en) * 1968-11-04 1974-03-05
US3573703A (en) * 1969-05-09 1971-04-06 Darnall P Burks Resistor and method of adjusting resistance

Also Published As

Publication number Publication date
US3680013A (en) 1972-07-25
GB1302272A (en) 1973-01-04

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