BE528084A - - Google Patents

Info

Publication number: BE528084A
Authority: BE; Belgium

Application number

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.)

1953-04-15

Publication of BE528084A publication Critical patent/BE528084A/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
- H03C3/16—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit in which the active element simultaneously serves as the active element of an oscillator
- 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
- H03B5/1231—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 bipolar 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
- H03B5/124—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 the means comprising a voltage dependent capacitance
- 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
- 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
- H03B5/1296—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 feedback circuit comprising a transformer

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Transmitters (AREA)
Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

BE528084D 1953-04-15 BE528084A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US337880XA	1953-04-15	1953-04-15

Publications (1)

Publication Number	Publication Date
BE528084A true BE528084A (de)

Family

ID=21872437

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE528084D BE528084A (de)	1953-04-15

Country Status (5)

Country	Link
BE (1)	BE528084A (de)
CH (1)	CH337880A (de)
DE (1)	DE1153802B (de)
FR (1)	FR1091085A (de)
NL (2)	NL185409B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB874995A (en) *	1958-12-23	1961-08-16	Marconi Wireless Telegraph Co	Improvements in or relating to transistor oscillators

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL56614C (de) *	1938-12-09
US2556296A (en) *	1949-04-26	1951-06-12	Bell Telephone Labor Inc	High-frequency transistor oscillator
US2570939A (en) *	1950-08-23	1951-10-09	Rca Corp	Semiconductor reactance circuit

0
- NL NL100376D patent/NL100376C/xx active
- BE BE528084D patent/BE528084A/xx unknown
- NL NLAANVRAGE7806576,A patent/NL185409B/xx unknown
1953
- 1953-11-18 FR FR1091085D patent/FR1091085A/fr not_active Expired
1954
- 1954-01-14 DE DEW13013A patent/DE1153802B/de active Pending
- 1954-04-15 CH CH337880D patent/CH337880A/fr unknown

Also Published As

Publication number	Publication date
FR1091085A (fr)	1955-04-06
DE1153802B (de)	1963-09-05
CH337880A (fr)	1959-04-30
NL100376C (de)
NL185409B (nl)

Publication	Publication Date	Title
BE534179A (de)	1955-01-15
AT193854B (de)	1957-12-10
AT191364A (de)	1957-08-26
FR1093329A (de)	1955-05-03
AT190646B (de)	1957-07-10
BE517130A (de)	1953-02-14
AT193331B (de)	1957-11-25
AT192380B (de)	1957-10-10
AT189958B (de)	1957-05-25
AT191026B (de)	1957-07-25
AT191140B (de)	1957-08-10
IT523558A (de)
AT199365B (de)	1958-08-25
AT191238B (de)	1957-08-10
FR1093233A (de)	1955-05-02
AT194372B (de)	1958-01-10
AT194824B (de)	1958-01-25
AT195162B (de)	1958-01-25
AT199317B (de)	1958-08-25
AT197771B (de)	1958-05-27
AT195400B (de)	1958-01-25
FR1091501A (de)	1955-04-13
AT196785B (de)	1958-03-25
AT194074B (de)	1957-12-27
BE534313A (de)