JPS6458117A - Digital signal generator - Google Patents

Digital signal generator

Info

Publication number
JPS6458117A
JPS6458117A JP21440587A JP21440587A JPS6458117A JP S6458117 A JPS6458117 A JP S6458117A JP 21440587 A JP21440587 A JP 21440587A JP 21440587 A JP21440587 A JP 21440587A JP S6458117 A JPS6458117 A JP S6458117A
Authority
JP
Japan
Prior art keywords
frequency
output
signal generator
signal
selection signal
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.)
Pending
Application number
JP21440587A
Other languages
Japanese (ja)
Inventor
Izumi Koga
Toshihiko Moro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP21440587A priority Critical patent/JPS6458117A/en
Publication of JPS6458117A publication Critical patent/JPS6458117A/en
Pending legal-status Critical Current

Links

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To vary the frequency with continuous phase over a wide frequency range with simple constitution by multiplying an output frequency of a variable frequency oscillator whose phase is continuous, synchronizing a frequency switching signal with the signal subject to frequency division after the multiplication, using the signal so as to select the frequency-divided signal thereby switching the band. CONSTITUTION:The output of the variable frequency oscillator 20 is multiplied by the multiplier 21 and frequency-divided by a frequency divider 22. In the frequency divider 22, 16-adic synchronous counters 221, 222 and TTL 16-adic asynchronous counters 223, 224 are connected in series in this order. A synchronizing means 29 consists of 16 ECL D flip-flops 291 to synchronize the frequency switching signal with the output of the frequency divider 22. The output of the synchronizing means 29 is given to a selection signal generator 30. The output of the selection signal generator 30 is given to selectors 23, 25, a band selection signal is given to a selection signal generator 30 and a selector 28 and the frequency division output is selected and outputted by the selectors.
JP21440587A 1987-08-28 1987-08-28 Digital signal generator Pending JPS6458117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21440587A JPS6458117A (en) 1987-08-28 1987-08-28 Digital signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21440587A JPS6458117A (en) 1987-08-28 1987-08-28 Digital signal generator

Publications (1)

Publication Number Publication Date
JPS6458117A true JPS6458117A (en) 1989-03-06

Family

ID=16655249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21440587A Pending JPS6458117A (en) 1987-08-28 1987-08-28 Digital signal generator

Country Status (1)

Country Link
JP (1) JPS6458117A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0993126A (en) * 1995-09-28 1997-04-04 Nec Corp Clock generator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262334B2 (en) * 1981-03-24 1987-12-25 Fuji Photo Film Co Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262334B2 (en) * 1981-03-24 1987-12-25 Fuji Photo Film Co Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0993126A (en) * 1995-09-28 1997-04-04 Nec Corp Clock generator

Similar Documents

Publication Publication Date Title
US4658406A (en) Digital frequency divider or synthesizer and applications thereof
GB2140232B (en) Frequency synthesisers
MY105977A (en) Digital time base generator with adjustable delay between two outputs.
JPS5539490A (en) Phase synchronizing signal generator circuit
US5084681A (en) Digital synthesizer with phase memory
JPS6458117A (en) Digital signal generator
YU278779A (en) Digital arrangement for frequency division
SU786045A1 (en) Device for shaping frequency-manipulated signal
JPS5621440A (en) Stuff synchronizing system
JPS57183132A (en) Phase synchromizing circuit
JPS5769927A (en) Pll synthesizer receiver
EP0391577B1 (en) Sampling circuits
SU647876A1 (en) Synchronizing arrangement
SU843157A1 (en) Digital frequency synthesizer
JPS56107636A (en) Timer circuit
JPS5623039A (en) Fm digital synthesizer receiver
JPS5333038A (en) Phase synchronizing oscillator
JPS6412691A (en) Video signal sampling circuit
SU663070A1 (en) Digital frequency synthesizer
JPS5676640A (en) Receiver of frequency synthesizer system
JPS5399753A (en) Digital phase synchronous loop
JPS54124959A (en) Phase synchronous circuit
JPS54136110A (en) Phase synchronous type low frequency mixer circuit
JPS5469371A (en) Variable division circuit
JPS6462930A (en) Data synchronizing clock regenerating device of ss receiver