IT1028058B - Complesso per produrre simultaneamente segnale presentantiuna frequenza crescente e segnali presentanti una frequenza decrescente - Google Patents

Complesso per produrre simultaneamente segnale presentantiuna frequenza crescente e segnali presentanti una frequenza decrescente

Info

Publication number
IT1028058B
IT1028058B IT31031/74A IT3103174A IT1028058B IT 1028058 B IT1028058 B IT 1028058B IT 31031/74 A IT31031/74 A IT 31031/74A IT 3103174 A IT3103174 A IT 3103174A IT 1028058 B IT1028058 B IT 1028058B
Authority
IT
Italy
Prior art keywords
signals
frequency
complex
produce simultaneously
decreasing
Prior art date
Application number
IT31031/74A
Other languages
English (en)
Original Assignee
Trt Telecom Radio Electr
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 Trt Telecom Radio Electr filed Critical Trt Telecom Radio Electr
Application granted granted Critical
Publication of IT1028058B publication Critical patent/IT1028058B/it

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
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • 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
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Communication Control (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Electronic Switches (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
IT31031/74A 1973-12-27 1974-12-24 Complesso per produrre simultaneamente segnale presentantiuna frequenza crescente e segnali presentanti una frequenza decrescente IT1028058B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7346529A FR2256582B1 (it) 1973-12-27 1973-12-27

Publications (1)

Publication Number Publication Date
IT1028058B true IT1028058B (it) 1979-01-30

Family

ID=9129764

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31031/74A IT1028058B (it) 1973-12-27 1974-12-24 Complesso per produrre simultaneamente segnale presentantiuna frequenza crescente e segnali presentanti una frequenza decrescente

Country Status (12)

Country Link
US (1) US3962653A (it)
JP (1) JPS5099254A (it)
BE (1) BE823843A (it)
CA (1) CA1023009A (it)
CH (1) CH590587A5 (it)
DE (1) DE2459751C3 (it)
FR (1) FR2256582B1 (it)
GB (1) GB1491899A (it)
IT (1) IT1028058B (it)
NL (1) NL7416757A (it)
NO (1) NO140845C (it)
SE (1) SE397453B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914814A1 (de) * 1979-04-11 1980-10-30 Siemens Ag Frequenzmodulator
JPS58109345U (ja) * 1982-12-09 1983-07-26 松下電器産業株式会社 Ｐｌｌシンセサイザ制御回路
GB2140234B (en) * 1983-05-17 1986-07-23 Marconi Instruments Ltd Signal generators
DE3428845A1 (de) * 1984-08-04 1986-02-06 Robert Bosch Gmbh, 7000 Stuttgart Durch binaere datensignale modulierbarer hochfrequenzsender
US5210539A (en) * 1986-09-30 1993-05-11 The Boeing Company Linear frequency sweep synthesizer
DE3720682C2 (de) 1987-06-23 1994-12-08 Hagenuk Telecom Gmbh Oszillatoreinrichtung zur Erzeugung von wenigstens zwei unterschiedlichen Frequenzen
GB2213000A (en) * 1987-11-25 1989-08-02 Philips Electronic Associated Frequency synthesizer
GB2237157A (en) * 1989-10-20 1991-04-24 Marconi Instruments Ltd Control of frequency modulators
NO894710L (no) * 1989-11-24 1991-05-27 Sinvent As Fremgangsmaate og anordning for generering av et sammensatt og pulsformet frekvenssveipsignal.
FR2694145B1 (fr) * 1992-07-21 1994-12-09 Sextant Avionique Dispositif pour la conversion d'une grandeur électrique en une fréquence avec possibilité d'autocalibration de ladite conversion.
US5488627A (en) * 1993-11-29 1996-01-30 Lexmark International, Inc. Spread spectrum clock generator and associated method
US5631920A (en) * 1993-11-29 1997-05-20 Lexmark International, Inc. Spread spectrum clock generator
US5586308A (en) * 1994-10-19 1996-12-17 Advanced Micro Devices, Inc. Clock control unit responsive to a power management state for clocking multiple clocked circuits connected thereto
US7270845B2 (en) * 2004-03-31 2007-09-18 Endicott Interconnect Technologies, Inc. Dielectric composition for forming dielectric layer for use in circuitized substrates
US7145221B2 (en) * 2004-03-31 2006-12-05 Endicott Interconnect Technologies, Inc. Low moisture absorptive circuitized substrate, method of making same, electrical assembly utilizing same, and information handling system utilizing same
US7078816B2 (en) * 2004-03-31 2006-07-18 Endicott Interconnect Technologies, Inc. Circuitized substrate
CN106444961B (zh) * 2016-09-12 2019-03-12 深圳市鼎阳科技有限公司 一种双通道信号发生器输出波形同步方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588732A (en) * 1969-01-16 1971-06-28 Collins Radio Co Frequency synthesizer
US3588730A (en) * 1969-11-10 1971-06-28 Gordon Eng Co Variable frequency generator combining outputs of two phase locked loops
GB1389071A (en) * 1971-02-09 1975-04-03 Matsushita Electric Ind Co Ltd Electrical channel selscting devices
US3764933A (en) * 1972-09-27 1973-10-09 Nasa Controlled oscillator system with a time dependent output frequency

Also Published As

Publication number Publication date
NO140845B (no) 1979-08-13
FR2256582B1 (it) 1976-11-19
SE7416215L (it) 1975-06-30
DE2459751A1 (de) 1975-07-03
DE2459751B2 (de) 1977-07-14
CA1023009A (en) 1977-12-20
NO140845C (no) 1979-11-21
FR2256582A1 (it) 1975-07-25
NO744675L (it) 1975-07-21
NL7416757A (nl) 1975-07-01
SE397453B (sv) 1977-10-31
JPS5099254A (it) 1975-08-06
US3962653A (en) 1976-06-08
DE2459751C3 (de) 1978-03-30
GB1491899A (en) 1977-11-16
BE823843A (nl) 1975-06-24
AU7667674A (en) 1976-06-24
CH590587A5 (it) 1977-08-15

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