GB1043900A - Electrical circuits comprising field-effect transistors and useful as variable reactance circuits - Google Patents
Electrical circuits comprising field-effect transistors and useful as variable reactance circuitsInfo
- Publication number
- GB1043900A GB1043900A GB45855/63A GB4585563A GB1043900A GB 1043900 A GB1043900 A GB 1043900A GB 45855/63 A GB45855/63 A GB 45855/63A GB 4585563 A GB4585563 A GB 4585563A GB 1043900 A GB1043900 A GB 1043900A
- Authority
- GB
- United Kingdom
- Prior art keywords
- voltage
- frequency
- source
- resistor
- circuit
- 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 abstract 3
- 239000003990 capacitor Substances 0.000 abstract 6
- 239000000758 substrate Substances 0.000 abstract 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
- H03G1/0029—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements using field-effect transistors [FET]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1228—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more field effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/1293—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator having means for achieving a desired tuning characteristic, e.g. linearising the frequency characteristic across the tuning voltage range
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F7/00—Parametric amplifiers
- H03F7/04—Parametric amplifiers using variable-capacitance element; using variable-permittivity element
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Amplifiers (AREA)
- Junction Field-Effect Transistors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24175562A | 1962-12-03 | 1962-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1043900A true GB1043900A (en) | 1966-09-28 |
Family
ID=22912048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB45855/63A Expired GB1043900A (en) | 1962-12-03 | 1963-11-20 | Electrical circuits comprising field-effect transistors and useful as variable reactance circuits |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE640754A (en:Method) |
DE (1) | DE1441834B2 (en:Method) |
GB (1) | GB1043900A (en:Method) |
NL (2) | NL142022B (en:Method) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1292220C2 (de) * | 1967-09-29 | 1974-07-18 | Siemens AG, Berlin und München, 8000 München | Quasi-gegentakt-modulator zur umsetzung modulierender signale mit hilfe einer traegerspannung und zur unterdrueckung des traegers am modulatorausgang |
US4270097A (en) | 1978-03-03 | 1981-05-26 | Thomson-Csf | Oscillator electronically tunable within a very wide frequency band |
USD519034S1 (en) | 2003-12-10 | 2006-04-18 | Graham Packaging Pet Technologies Inc. | Container |
USD743742S1 (en) | 2012-01-02 | 2015-11-24 | Brita Gmbh | Drinking bottle |
-
0
- NL NL301215D patent/NL301215A/xx unknown
-
1963
- 1963-11-20 GB GB45855/63A patent/GB1043900A/en not_active Expired
- 1963-12-02 NL NL63301215A patent/NL142022B/xx unknown
- 1963-12-03 BE BE640754A patent/BE640754A/xx unknown
- 1963-12-03 DE DE19631441834 patent/DE1441834B2/de not_active Withdrawn
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1292220C2 (de) * | 1967-09-29 | 1974-07-18 | Siemens AG, Berlin und München, 8000 München | Quasi-gegentakt-modulator zur umsetzung modulierender signale mit hilfe einer traegerspannung und zur unterdrueckung des traegers am modulatorausgang |
DE1292220B (en:Method) * | 1967-09-29 | 1974-07-18 | ||
US4270097A (en) | 1978-03-03 | 1981-05-26 | Thomson-Csf | Oscillator electronically tunable within a very wide frequency band |
USD519034S1 (en) | 2003-12-10 | 2006-04-18 | Graham Packaging Pet Technologies Inc. | Container |
USD743742S1 (en) | 2012-01-02 | 2015-11-24 | Brita Gmbh | Drinking bottle |
USD744781S1 (en) | 2012-01-02 | 2015-12-08 | Brita Gmbh | Drinking bottle |
Also Published As
Publication number | Publication date |
---|---|
BE640754A (en:Method) | 1964-04-01 |
DE1441834B2 (de) | 1972-01-13 |
NL142022B (nl) | 1974-04-16 |
NL301215A (en:Method) | |
DE1441834A1 (de) | 1969-05-22 |
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