RU1771059C - Digital frequency synthesizer - Google Patents

Digital frequency synthesizer

Info

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
Application number
SU904879199A
Other languages
Russian (ru)
Inventor
Валерий Сергеевич Станков
Антонина Борисовна Сучкова
Original Assignee
Нижегородский Научно-Исследовательский Институт Радиосвязи
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 Нижегородский Научно-Исследовательский Институт Радиосвязи filed Critical Нижегородский Научно-Исследовательский Институт Радиосвязи
Priority to SU904879199A priority Critical patent/RU1771059C/en
Application granted granted Critical
Publication of RU1771059C publication Critical patent/RU1771059C/en

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  • 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

SU904879199A 1990-09-14 1990-09-14 Digital frequency synthesizer RU1771059C (en)

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)

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