TW347613B - Pulsed signal generator - Google Patents
Pulsed signal generatorInfo
- Publication number
- TW347613B TW347613B TW086100562A TW86100562A TW347613B TW 347613 B TW347613 B TW 347613B TW 086100562 A TW086100562 A TW 086100562A TW 86100562 A TW86100562 A TW 86100562A TW 347613 B TW347613 B TW 347613B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- pwm
- frequency
- clock
- output
- Prior art date
Links
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Dc-Dc Converters (AREA)
Abstract
A pulsed signal generator comprising: an input terminal for receiving a reference clock signal having a predetermined clock frequency; a phase locked loop (PLL) for generating a clock square-wave signal at a frequency which is twice that of a desired resolution frequency of the pulse width modulated (PWM) output signal; a PWM controller receiving the clock square-wave signal and a data signal and providing a PWM output having a duty cycle determined by the data signal at the frequency of the clock square-wave signal; a switching circuit coupled to the PWM controller which receives a signal from a frequency divider, which forms part of the PLL, and switches an output of the generator to be floating for the first half of the PWM frame cycle so that the PWM output signal does not include the PWM output from the PWM controller when the clock square-wave signal has non-uniform frequency.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG1996011948A SG60031A1 (en) | 1996-12-30 | 1996-12-30 | Pulsed signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW347613B true TW347613B (en) | 1998-12-11 |
Family
ID=20429552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW086100562A TW347613B (en) | 1996-12-30 | 1997-01-20 | Pulsed signal generator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH10209829A (en) |
| SG (1) | SG60031A1 (en) |
| TW (1) | TW347613B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6621317B2 (en) | 2000-07-21 | 2003-09-16 | Nec Electronics Corporation | Clock controlling method and circuit |
| CN109088633A (en) * | 2018-09-20 | 2018-12-25 | 郑州云海信息技术有限公司 | A kind of pulse generator, method for generating pulse and electronic equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3559726B2 (en) * | 1999-06-29 | 2004-09-02 | Ｎｅｃエレクトロニクス株式会社 | Pulse width modulation signal generator |
-
1996
- 1996-12-30 SG SG1996011948A patent/SG60031A1/en unknown
-
1997
- 1997-01-20 TW TW086100562A patent/TW347613B/en active
- 1997-12-26 JP JP9368226A patent/JPH10209829A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6621317B2 (en) | 2000-07-21 | 2003-09-16 | Nec Electronics Corporation | Clock controlling method and circuit |
| US6791385B2 (en) | 2000-07-21 | 2004-09-14 | Nec Electronics Corporation | Clock controlling method and circuit |
| US6791386B2 (en) | 2000-07-21 | 2004-09-14 | Nec Electronics Corporation | Clock controlling method and circuit with a multi-phase multiplication clock generating circuit |
| US6847243B2 (en) | 2000-07-21 | 2005-01-25 | Nec Electronics Corporation | Clock controlling method and circuit |
| US6888387B2 (en) | 2000-07-21 | 2005-05-03 | Nec Electronics Corporation | Clock controlling method and circuit |
| US6900680B2 (en) | 2000-07-21 | 2005-05-31 | Nec Electronics Corporation | Clock controlling method and circuit |
| US6965259B2 (en) | 2000-07-21 | 2005-11-15 | Nec Electronics Corporation | Clock controlling method and circuit |
| US7034592B2 (en) | 2000-07-21 | 2006-04-25 | Nec Electronics Corporation | Clock controlling method and circuit |
| CN109088633A (en) * | 2018-09-20 | 2018-12-25 | 郑州云海信息技术有限公司 | A kind of pulse generator, method for generating pulse and electronic equipment |
| CN109088633B (en) * | 2018-09-20 | 2021-12-03 | 郑州云海信息技术有限公司 | Pulse generator, pulse generating method and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10209829A (en) | 1998-08-07 |
| SG60031A1 (en) | 1999-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY118263A (en) | Ea modulator-controlled phase-locked-loop circuit | |
| TW358931B (en) | Time multiplier having 2 feedback circuits | |
| CA2159762A1 (en) | Duty Cycled Control Implemented Within a Frequency Synthesizer | |
| TW349286B (en) | DC-DC converter | |
| KR960012710A (en) | Voltage-controlled oscillator without resistor | |
| US5592110A (en) | Phase comparison circuit for maintaining a stable phase locked loop circuit in the absence of the pulse of an input signal | |
| EP0329418A3 (en) | Circuit synchronization system | |
| KR970068110A (en) | Display Power Supply | |
| IL123029A (en) | Method and device for operating electronic ballasts for high intensity discharge (hid) lamps | |
| AUPM587094A0 (en) | Microwave loop oscillators | |
| US4309675A (en) | Control circuit for providing a synchronized drive signal to an oscillating system | |
| TW346706B (en) | Phase-locked loop device | |
| DE59601583D1 (en) | Converter | |
| GB2258960A (en) | Power saving frequency synthesiser with fast pull-in feature | |
| TW347613B (en) | Pulsed signal generator | |
| CA2192881A1 (en) | PLL Circuit and Noise Reduction Means for PLL Circuit | |
| CA2229765A1 (en) | Synchronize processing circuit | |
| EP0288007A3 (en) | Signal generating apparatus using pll circuit | |
| CA2090523A1 (en) | Frequency synthesizer and frequency synthesizing method | |
| TW331055B (en) | Phase locked loop having DC level capture circuit | |
| JPS5550191A (en) | Electronic timepiece | |
| SU1667206A1 (en) | High-voltage power supply source | |
| GB2326036A (en) | A pulse-width-modulated clock generator producing reduced EMI | |
| GB2370168A (en) | A power oscillator for driving a discharge lamp | |
| SU907532A1 (en) | High-voltage stabilized power supply source |