GB1292511A - Improvements in or relating to field effect transistor circuits - Google Patents
Improvements in or relating to field effect transistor circuitsInfo
- Publication number
- GB1292511A GB1292511A GB1088770D GB1088770D GB1292511A GB 1292511 A GB1292511 A GB 1292511A GB 1088770 D GB1088770 D GB 1088770D GB 1088770 D GB1088770 D GB 1088770D GB 1292511 A GB1292511 A GB 1292511A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terminal
- resistors
- transistor
- value
- equal
- 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
Links
- 230000005669 field effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F3/505—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/345—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
- H03F3/3455—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices with junction-FET's
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Abstract
1292511 FET circuits HONEYWELL Inc 6 March 1970 [17 March 1969] 10887/70 Heading H3T A transistor circuit for obtaining an output voltage at terminal 23 equal to an input voltage applied at terminal 21 with respect to the same reference potential comprises FET's 10, 14 connected source to drain in a series circuit with resistors 30, 18 and 31, the value of the resistors being so chosen to obtain the equality between input and output voltages. Transistor 14 is connected as a constant current source for transistor 10 and the value of resistor 30 is such that the voltage drop across it is equal and opposite in polarity to the voltage existing between the gate and source electrodes of 10. Transistors 10, 14 may be a matched pair with the value of resistor 30 being made equal to the sum of resistors 18, 31. The circuit may suitably, be connected to a power supply having its positive and negative terminals connected to the ends of the series connection and with an intermediate terminal connected to a reference potential terminal.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80768769A | 1969-03-17 | 1969-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1292511A true GB1292511A (en) | 1972-10-11 |
Family
ID=25196950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1088770D Expired GB1292511A (en) | 1969-03-17 | 1970-03-06 | Improvements in or relating to field effect transistor circuits |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2010329A1 (en) |
FR (1) | FR2031307A5 (en) |
GB (1) | GB1292511A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2230125A1 (en) * | 1973-05-16 | 1974-12-13 | Thomson Csf | Intergrated FET voltage converter with FET in series with resistor - to give constant difference between input and output voltages |
FR2558659B1 (en) * | 1984-01-20 | 1986-04-25 | Thomson Csf | POLARIZATION CIRCUIT OF A FIELD EFFECT TRANSISTOR |
EP0822471B1 (en) * | 1996-07-31 | 2004-01-14 | i f m electronic gmbh | Electronic device |
-
1970
- 1970-02-20 FR FR7006230A patent/FR2031307A5/fr not_active Expired
- 1970-03-06 GB GB1088770D patent/GB1292511A/en not_active Expired
- 1970-03-20 DE DE19702010329 patent/DE2010329A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2010329A1 (en) | 1970-09-24 |
FR2031307A5 (en) | 1970-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |