GB1474930A - Integrable circuit for monitoring a supply voltage - Google Patents

Integrable circuit for monitoring a supply voltage

Info

Publication number
GB1474930A
GB1474930A GB5335474A GB5335474A GB1474930A GB 1474930 A GB1474930 A GB 1474930A GB 5335474 A GB5335474 A GB 5335474A GB 5335474 A GB5335474 A GB 5335474A GB 1474930 A GB1474930 A GB 1474930A
Authority
GB
United Kingdom
Prior art keywords
gate
voltage
circuit
supply
threshold
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
GB5335474A
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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
Priority claimed from DE19732361739 external-priority patent/DE2361739C2/en
Application filed by Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of GB1474930A publication Critical patent/GB1474930A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16519—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using FET's
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/0203—Particular design considerations for integrated circuits
    • H01L27/0214—Particular design considerations for integrated circuits for internal polarisation, e.g. I2L
    • H01L27/0218—Particular design considerations for integrated circuits for internal polarisation, e.g. I2L of field effect structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

1474930 FET switching circuits ITT INDUSTRIES Inc 10 Dec 1974 [12 Dec 1973] 53354/74 Heading H3T In a circuit for giving a step signal at S when the supply voltage U B reaches a predetermined threshold, the threshold is set by the sum of the gate threshold voltages of complementary IGFETS T11 and T21. T11 is initially off, but when U B has reached the gate threshold voltage of T11, the latter conducts with T12 acting as its load resistor. The voltage at the junction of T11 and T12, which follows the increasing U B off-set by the gate threshold voltage of T11, is a applied to the gate of IGFET 21 so that when U B reaches the sum of the gate voltages of T11 and T21, T21 turns on giving a step signal at S. A further IGFET may be connected in the U B + line between transistors T11 and T22. To prevent the circuit switching in response to short duration increased loads on the supply, a capacitor may be connected across transistors T11 and T21. The circuit may be used to prevent operation of a frequency divider or an ultrasonic remote control device for television before the supply has reached a desired voltage.
GB5335474A 1973-12-12 1974-12-10 Integrable circuit for monitoring a supply voltage Expired GB1474930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732361739 DE2361739C2 (en) 1973-12-12 Integrated circuit for monitoring an operating voltage

Publications (1)

Publication Number Publication Date
GB1474930A true GB1474930A (en) 1977-05-25

Family

ID=5900518

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5335474A Expired GB1474930A (en) 1973-12-12 1974-12-10 Integrable circuit for monitoring a supply voltage

Country Status (4)

Country Link
CH (1) CH589299A5 (en)
FR (1) FR2254792B1 (en)
GB (1) GB1474930A (en)
IT (1) IT1026895B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0156560A1 (en) * 1984-03-14 1985-10-02 Motorola, Inc. CMOS power-on detection circuit

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142118A (en) * 1977-08-18 1979-02-27 Mostek Corporation Integrated circuit with power supply voltage level detection
US4224539A (en) * 1978-09-05 1980-09-23 Motorola, Inc. FET Voltage level detecting circuit
US4300061A (en) * 1979-03-15 1981-11-10 National Semiconductor Corporation CMOS Voltage regulator circuit
FR2613491B1 (en) * 1987-04-03 1989-07-21 Thomson Csf DEVICE FOR DETECTING THE HIGH LEVEL OF A VOLTAGE IN MOS TECHNOLOGY
FR2618579B1 (en) * 1987-07-21 1989-11-10 Thomson Semiconducteurs INTEGRATED MEMORY CIRCUIT COMPRISING AN ANTI-FRAUD DEVICE
FR2690796B1 (en) * 1992-04-30 1994-06-17 Sgs Thomson Microelectronics VOLTAGE THRESHOLD DETECTION CIRCUIT.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0156560A1 (en) * 1984-03-14 1985-10-02 Motorola, Inc. CMOS power-on detection circuit

Also Published As

Publication number Publication date
DE2361739B1 (en) 1975-06-12
IT1026895B (en) 1978-10-20
CH589299A5 (en) 1977-06-30
FR2254792B1 (en) 1981-08-07
DE2361739A1 (en) 1975-06-12
FR2254792A1 (en) 1975-07-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee