RU1771059C - Digital frequency synthesizer - Google Patents
Digital frequency synthesizerInfo
- Publication number
- RU1771059C RU1771059C SU904879199A SU4879199A RU1771059C RU 1771059 C RU1771059 C RU 1771059C SU 904879199 A SU904879199 A SU 904879199A SU 4879199 A SU4879199 A SU 4879199A RU 1771059 C RU1771059 C RU 1771059C
- Authority
- RU
- Russia
- Prior art keywords
- code
- digital frequency
- frequency synthesizer
- digital
- converter
- Prior art date
Links
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Изобретение относитс к радиотехнике и может использоватьс в цифровых синтезаторах частот, основанных на вычислении выборок синусоиды. Устройство содержит блок установки кода частоты (1), М-разр дный -накопитель кодов (2), преобразователь кода фазы в код амплитуды (3), опорный генератор (4), цифроаналоговый преобразователь (5), фильтр нижних частот (6), два блока элементов Й-НЕ (8, 9), два D-трмггера The invention relates to radio engineering and can be used in digital frequency synthesizers based on computing samples of a sinusoid. The device comprises a frequency code setting unit (1), an M-bit code accumulator (2), a phase code to amplitude code converter (3), a reference generator (4), a digital-to-analog converter (5), a low-pass filter (6), two blocks of Y-NOT elements (8, 9), two D-triggers
Description
и jnJlJTJnJnJTJnJlJaand jnJlJTJnJnJTJnJlJa
I 1-ЭI 1-E
4JlJ4jnJTJTJTJTJ4JlJ4jnJTJTJTJTJ
Код { NCode {N
ЗН/ь л/2ZN / b l / 2
22
Ljn«Jl Jnj l nLjn «Jl Jnj l n
1 tJiriruin1 tJiriruin
ВыходOutput
ПАПPap
(уст-бае. протати- па)(ust-ba. protatipa)
Выход WOutput w
(предша.е- мого gem- ровспт)(preceding. me gem- rovspt)
1 Т I 1 T I
J-U- .i J-U- .i
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU904879199A RU1771059C (en) | 1990-09-14 | 1990-09-14 | Digital frequency synthesizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU904879199A RU1771059C (en) | 1990-09-14 | 1990-09-14 | Digital frequency synthesizer |
Publications (1)
Publication Number | Publication Date |
---|---|
RU1771059C true RU1771059C (en) | 1992-10-23 |
Family
ID=21543352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU904879199A RU1771059C (en) | 1990-09-14 | 1990-09-14 | Digital frequency synthesizer |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU1771059C (en) |
-
1990
- 1990-09-14 RU SU904879199A patent/RU1771059C/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR890015518A (en) | A / D conversion circuit using △ -∑ modulator | |
CA2195277A1 (en) | Frequency synthesizer | |
EP0220932A3 (en) | A multiphase frequency selective phase locked loop with multiphase sinusoidal and digital outputs | |
ATE70151T1 (en) | DIGITALLY ENGINEERED MODULATOR. | |
KR920700490A (en) | FM modulator | |
EP0360509A3 (en) | Method and apparatus for carrying out a non-linear operation on a digital signal | |
RU1771059C (en) | Digital frequency synthesizer | |
ES2004520A6 (en) | Multimode noise generator using digital fm. | |
EP0378190A3 (en) | Digital phase locked loop | |
KR920020855A (en) | Digital Coded Phase Frequency Converters for Microwave Phase-locked Loops | |
RU95117086A (en) | METHOD AND DEVICE FOR COMBINING TOTAL OF INPUT SIGNALS | |
DE69319851D1 (en) | Discrete time signal processing system | |
CA2021335A1 (en) | Frequency modulator | |
KR940010538A (en) | Sine wave generator using up / down counter | |
KR910010826A (en) | Frequency Modulation Methods and Digital Frequency Modulators | |
GB1432328A (en) | Generator for tones of a musical scale | |
SU1713080A1 (en) | Digital generator of frequency-modulated signals | |
SU1713081A1 (en) | Frequency-modulated signal shaper | |
SU1021013A1 (en) | Frequency-phase-modulated signal shaper | |
RU2010414C1 (en) | Digital synthesizer of sinusoidal signals | |
JPS5776930A (en) | Frequency shift signal generating system using pll | |
EP0335727A3 (en) | Signal processing apparatus | |
JPS57180256A (en) | Fsk modulator | |
ES2072258T3 (en) | CIRCUIT PROVISION FOR THE ACCELERATION OF AN ELECTRICAL SENOID SIGNAL WITH A VARIABLE FREQUENCY. | |
UA6352A1 (en) | Digital harmonic signal generator |