JPS52124847A - Charge pump circuit of digital phase synchronous oscillator - Google Patents
Charge pump circuit of digital phase synchronous oscillatorInfo
- Publication number
- JPS52124847A JPS52124847A JP4145676A JP4145676A JPS52124847A JP S52124847 A JPS52124847 A JP S52124847A JP 4145676 A JP4145676 A JP 4145676A JP 4145676 A JP4145676 A JP 4145676A JP S52124847 A JPS52124847 A JP S52124847A
- Authority
- JP
- Japan
- Prior art keywords
- charge pump
- pump circuit
- digital phase
- phase synchronous
- synchronous oscillator
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/007—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
- H03D13/008—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations using transistors
Abstract
PURPOSE:To economize the oscillator by reducing the jitters in use of the high speed switching element for the charge pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4145676A JPS52124847A (en) | 1976-04-12 | 1976-04-12 | Charge pump circuit of digital phase synchronous oscillator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4145676A JPS52124847A (en) | 1976-04-12 | 1976-04-12 | Charge pump circuit of digital phase synchronous oscillator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52124847A true JPS52124847A (en) | 1977-10-20 |
Family
ID=12608864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4145676A Pending JPS52124847A (en) | 1976-04-12 | 1976-04-12 | Charge pump circuit of digital phase synchronous oscillator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52124847A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639633A (en) * | 1979-09-06 | 1981-04-15 | Nippon Gakki Seizo Kk | Loop filter circuit in phase-locked loop circuit |
-
1976
- 1976-04-12 JP JP4145676A patent/JPS52124847A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639633A (en) * | 1979-09-06 | 1981-04-15 | Nippon Gakki Seizo Kk | Loop filter circuit in phase-locked loop circuit |
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