NZ234161A - Filter trimming circuit with programmable fets - Google Patents

Filter trimming circuit with programmable fets

Info

Publication number
NZ234161A
NZ234161A NZ234161A NZ23416190A NZ234161A NZ 234161 A NZ234161 A NZ 234161A NZ 234161 A NZ234161 A NZ 234161A NZ 23416190 A NZ23416190 A NZ 23416190A NZ 234161 A NZ234161 A NZ 234161A
Authority
NZ
New Zealand
Prior art keywords
subcomponents
value
trimming circuit
trimming
field
Prior art date
Application number
NZ234161A
Other languages
English (en)
Inventor
Wolfgang Steinhagen
Ulrich Kaiser
Michael C Smayling
Original Assignee
Texas Instruments Deutschland
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 Texas Instruments Deutschland filed Critical Texas Instruments Deutschland
Publication of NZ234161A publication Critical patent/NZ234161A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0726—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Stereophonic System (AREA)
  • Electrotherapy Devices (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Non-Volatile Memory (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
NZ234161A 1989-07-12 1990-06-20 Filter trimming circuit with programmable fets NZ234161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3922977A DE3922977A1 (de) 1989-07-12 1989-07-12 Trimmschaltung und unter verwendung einer solchen trimmschaltung ausfuehrbares abgleichverfahren

Publications (1)

Publication Number Publication Date
NZ234161A true NZ234161A (en) 1992-07-28

Family

ID=6384853

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ234161A NZ234161A (en) 1989-07-12 1990-06-20 Filter trimming circuit with programmable fets

Country Status (8)

Country Link
EP (1) EP0407848B1 (enExample)
JP (1) JPH03136364A (enExample)
AT (1) ATE181191T1 (enExample)
AU (1) AU626692B2 (enExample)
CA (1) CA2019921A1 (enExample)
DE (2) DE3922977A1 (enExample)
DK (1) DK0407848T3 (enExample)
NZ (1) NZ234161A (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450086A (en) * 1993-12-03 1995-09-12 Texas Instruments Deutschland Gmbh Self-tuning receiver/decoder for frequency shift keying RF data transmission
DE4404265C3 (de) * 1994-02-10 2001-02-15 Siemens Ag Verfahren zur Herstellung einer kalibrierten Sensoreinheit
DE4438286C2 (de) * 1994-10-26 2002-09-12 Siemens Ag System zur kontaktlosen Energie- und Datenübertragung
JP3371050B2 (ja) * 1995-10-27 2003-01-27 三菱電機株式会社 薄膜圧電素子
JPH08148968A (ja) * 1994-11-24 1996-06-07 Mitsubishi Electric Corp 薄膜圧電素子
DE10002311C1 (de) * 2000-01-20 2001-06-13 Skidata Ag Kommunikationsendgerät
ATE393435T1 (de) * 2000-08-15 2008-05-15 Omron Tateisi Electronics Co Kontaktloses kommunikationsmedium und -system
DE10151856A1 (de) * 2001-10-24 2003-05-15 Zentr Mikroelekt Dresden Gmbh Verfahren zum Selbstabgleich eines Resonanzschaltkreises
WO2006053098A1 (en) * 2004-11-08 2006-05-18 Elder J Scott Method and apparatus for calibrating analog circuits using statistical techniques
JP2007005778A (ja) * 2005-05-27 2007-01-11 Semiconductor Energy Lab Co Ltd 半導体装置
US10715209B2 (en) 2006-11-18 2020-07-14 RF Micron, Inc. Computing device for processing environmental sensed conditions
US12073272B2 (en) 2006-11-18 2024-08-27 Rfmicron, Inc. Generating a response by a radio frequency identification (RFID) tag within a field strength shell of interest
US11817637B2 (en) 2006-11-18 2023-11-14 Rfmicron, Inc. Radio frequency identification (RFID) moisture tag(s) and sensors with extended sensing via capillaries
US12391076B2 (en) 2006-11-18 2025-08-19 Rfmicron, Inc. Pressure based wireless sensor and applications thereof
US10149177B2 (en) 2006-11-18 2018-12-04 Rfmicron, Inc. Wireless sensor including an RF signal circuit
US10164611B2 (en) 2006-11-18 2018-12-25 Rfmicron, Inc. Method and apparatus for sensing environmental conditions
ES2326298B1 (es) 2006-11-27 2010-07-05 Datamars, S.A. Dispositivo electronico para la identificacion por radio frecuencia y metodo para el ajuste de la frecuencia de resonancia de dicho dispositivo electronico.
FR2914087A1 (fr) * 2007-03-22 2008-09-26 Microcomposants De Haute Secur Procede de fabrication de radio-etiquette
EP2760136B1 (en) * 2008-02-28 2018-05-09 Peregrine Semiconductor Corporation Method and apparatus for use in digitally tuning a capacitor in an integrated circuit device
KR101350461B1 (ko) 2012-04-03 2014-01-09 주식회사 하이딥 튜너블 커패시터
US8890633B2 (en) 2012-12-18 2014-11-18 Nxp B.V. Resonant circuit with automated trimming capabilities
DE102013107003A1 (de) * 2013-07-03 2015-01-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Anpassen eines Schwingkreises für ein Spielgerät
US10746682B2 (en) 2014-10-08 2020-08-18 Rfmicron, Inc. Wireless sensor with multiple sensing options
WO2021133651A1 (en) * 2019-12-28 2021-07-01 Avery Dennison Retail Information Services, Llc Tuning assemblies for rfid chips

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799198A (en) * 1972-01-27 1974-03-26 Aiden Kk Electronic automatic faucet device
US3803429A (en) * 1972-11-07 1974-04-09 Motorola Inc Switchable frequency tone filter and detector with high speed switching capability
JPS5935527B2 (ja) * 1978-04-10 1984-08-29 日本電信電話株式会社 デイジタル・アナログ間変換器
US4709225A (en) * 1985-12-16 1987-11-24 Crystal Semiconductor Corporation Self-calibration method for capacitors in a monolithic integrated circuit

Also Published As

Publication number Publication date
DE69033154T2 (de) 1999-10-28
AU626692B2 (en) 1992-08-06
JPH03136364A (ja) 1991-06-11
DE3922977C2 (enExample) 1992-04-30
EP0407848B1 (en) 1999-06-09
ATE181191T1 (de) 1999-06-15
DE3922977A1 (de) 1991-01-24
DK0407848T3 (da) 1999-11-15
AU5767290A (en) 1991-01-17
CA2019921A1 (en) 1991-01-12
EP0407848A2 (en) 1991-01-16
DE69033154D1 (de) 1999-07-15
EP0407848A3 (en) 1991-04-03

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