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GB1372670A - Small signal detecting and amplifying circuit - Google Patents

Small signal detecting and amplifying circuit

Info

Publication number
GB1372670A
GB1372670A GB3198573A GB3198573A GB1372670A GB 1372670 A GB1372670 A GB 1372670A GB 3198573 A GB3198573 A GB 3198573A GB 3198573 A GB3198573 A GB 3198573A GB 1372670 A GB1372670 A GB 1372670A
Authority
GB
United Kingdom
Prior art keywords
period
during
switch
input
inverter
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
GB3198573A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1372670A publication Critical patent/GB1372670A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/409—Read-write [R-W] circuits 
    • G11C11/4091—Sense or sense/refresh amplifiers, or associated sense circuitry, e.g. for coupled bit-line precharging, equalising or isolating
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/02—Shaping pulses by amplifying
    • H03K5/023—Shaping pulses by amplifying using field effect transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Amplifiers (AREA)
  • Static Random-Access Memory (AREA)
  • Manipulation Of Pulses (AREA)

Abstract

1372670 Read-write amplifiers PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 5 July 1973 [8 July 1972] 31985/73 Heading H3T A small signal amplifier suitable for the writein or read-out of information from a memory cell comprises first and second inverters I 1 , I 2 including IGFETs 1-4, a first switch 5 providing negative feedback between the output and input of the first inverter I 1 during the first period of a cycle, a second switch 6 providing positive feedback between the output of the second inverter and the input of the first inverter during a third and final period of the cycle with the input signal being applied during the intermediate second period of the cycle. In operation, during the first period when switch 5 is closed a charge corresponding to a threshold voltage level is stored in the gate-source capacitance of FET 1 setting the amplifier in an unstable equilibrium. During the second period, the presence of an input signal at S provides an additional charge and when switch 6 is closed during the third period, the charge level present at the gate of 1 is already present in an amplified form at output Q and is fed-back to the input gate of 1 so that depending on the input signal the circuit switches to one or other of the two stable states from the unstable state of equilibrium. A negative feed-back between theoutput and input of inverter I 2 during the first period may be provided via switch 6 or via a third switch (not shown). To reduce power dissipation, the supply voltages may be switched off between the end of the first period and prior to the commencement of the third period.
GB3198573A 1972-07-08 1973-07-05 Small signal detecting and amplifying circuit Expired GB1372670A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7209535A NL7209535A (en) 1972-07-08 1972-07-08

Publications (1)

Publication Number Publication Date
GB1372670A true GB1372670A (en) 1974-11-06

Family

ID=19816485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3198573A Expired GB1372670A (en) 1972-07-08 1973-07-05 Small signal detecting and amplifying circuit

Country Status (8)

Country Link
JP (1) JPS4946345A (en)
AU (1) AU5770173A (en)
DE (1) DE2331055A1 (en)
ES (1) ES416643A1 (en)
FR (1) FR2192416B3 (en)
GB (1) GB1372670A (en)
IT (1) IT991673B (en)
NL (1) NL7209535A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3330559A1 (en) * 1982-08-24 1984-03-08 Mitsubishi Denki K.K., Tokyo OUTPUT SWITCHING

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU86787A1 (en) * 1986-06-19 1987-07-24 Siemens Ag BROADBAND SIGNAL DEVICE
US4989127A (en) * 1989-05-09 1991-01-29 North American Philips Corporation Driver for high voltage half-bridge circuits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3330559A1 (en) * 1982-08-24 1984-03-08 Mitsubishi Denki K.K., Tokyo OUTPUT SWITCHING

Also Published As

Publication number Publication date
IT991673B (en) 1975-08-30
DE2331055A1 (en) 1974-01-17
AU5770173A (en) 1975-01-09
NL7209535A (en) 1974-01-10
FR2192416A1 (en) 1974-02-08
FR2192416B3 (en) 1976-06-18
ES416643A1 (en) 1976-02-01
JPS4946345A (en) 1974-05-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees