IT1112245B - QUARTZ OSCILLATOR, COMMANDABLE IN FREQUENCY, WITH A LARGE DRIVE INTERVAL - Google Patents

QUARTZ OSCILLATOR, COMMANDABLE IN FREQUENCY, WITH A LARGE DRIVE INTERVAL

Info

Publication number
IT1112245B
IT1112245B IT21965/79A IT2196579A IT1112245B IT 1112245 B IT1112245 B IT 1112245B IT 21965/79 A IT21965/79 A IT 21965/79A IT 2196579 A IT2196579 A IT 2196579A IT 1112245 B IT1112245 B IT 1112245B
Authority
IT
Italy
Prior art keywords
commandable
frequency
quartz oscillator
large drive
drive interval
Prior art date
Application number
IT21965/79A
Other languages
Italian (it)
Other versions
IT7921965A0 (en
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IT7921965A0 publication Critical patent/IT7921965A0/en
Application granted granted Critical
Publication of IT1112245B publication Critical patent/IT1112245B/en

Links

Classifications

    • 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
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/16—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using uncontrolled rectifying devices, e.g. rectifying diodes or Schottky diodes
    • 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
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current
    • H03B5/368—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current the means being voltage variable capacitance diodes
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/004—Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or 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
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
IT21965/79A 1978-04-26 1979-04-19 QUARTZ OSCILLATOR, COMMANDABLE IN FREQUENCY, WITH A LARGE DRIVE INTERVAL IT1112245B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2818374A DE2818374C2 (en) 1978-04-26 1978-04-26 Frequency controllable crystal oscillator with a large pull range

Publications (2)

Publication Number Publication Date
IT7921965A0 IT7921965A0 (en) 1979-04-19
IT1112245B true IT1112245B (en) 1986-01-13

Family

ID=6038081

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21965/79A IT1112245B (en) 1978-04-26 1979-04-19 QUARTZ OSCILLATOR, COMMANDABLE IN FREQUENCY, WITH A LARGE DRIVE INTERVAL

Country Status (3)

Country Link
DE (1) DE2818374C2 (en)
IT (1) IT1112245B (en)
NL (1) NL178468C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904045C2 (en) * 1979-02-02 1982-04-15 Siemens AG, 1000 Berlin und 8000 München Quartz oscillator with mixed inductive and capacitive oscillation frequency control
NL8301905A (en) * 1983-05-30 1984-12-17 Philips Nv OSCILLATOR SWITCH.
US4924195A (en) * 1989-06-19 1990-05-08 At&T Bell Laboratories Crystal oscillator with broad tuning capability

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH491535A (en) * 1968-05-20 1970-05-31 Siemens Ag Transistor circuit for generating or transmitting signal oscillations
DE2534275C2 (en) * 1975-07-31 1984-06-20 Siemens AG, 1000 Berlin und 8000 München Oscillator with a quartz excited on an overtone

Also Published As

Publication number Publication date
NL178468B (en) 1985-10-16
DE2818374A1 (en) 1979-10-31
IT7921965A0 (en) 1979-04-19
DE2818374C2 (en) 1984-06-07
NL7903325A (en) 1979-10-30
NL178468C (en) 1986-03-17

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