JPH0232238U - - Google Patents
Info
- Publication number
- JPH0232238U JPH0232238U JP10961488U JP10961488U JPH0232238U JP H0232238 U JPH0232238 U JP H0232238U JP 10961488 U JP10961488 U JP 10961488U JP 10961488 U JP10961488 U JP 10961488U JP H0232238 U JPH0232238 U JP H0232238U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- phase
- locked loop
- input terminal
- circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 1
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図はこの考案の一実施例を説明するための
図、第２図は第１図回路の周波数帯域濾波特性例
を示す図、第３図乃至第５図は従来例を説明する
ための図である。
５…位相同期ループ集積回路、６…信号源、７
…信号入力端子、１３…可変コイル、１４…コン
デンサ。
FIG. 1 is a diagram for explaining an embodiment of this invention, FIG. 2 is a diagram showing an example of frequency band filtering characteristics of the circuit in FIG. 1, and FIGS. 3 to 5 are diagrams for explaining a conventional example. It is a diagram. 5... Phase-locked loop integrated circuit, 6... Signal source, 7
...Signal input terminal, 13...Variable coil, 14...Capacitor.
Claims (1)
信号源で発生する信号を位相同期ループ集積回路
に供給するための信号入力端子とを備えた位相同
期ループ入力回路において、前記信号源と前記信
号入力端子との間でかつ該信号入力端子寄りに、
前記信号源で発生する信号の周波数に共振するコ
イルとコンデンサとの直列回路を介挿したことを
特徴とする位相同期ループ入力回路。 A phase-locked loop input circuit comprising a signal source that generates a signal of a predetermined frequency, and a signal input terminal for supplying the signal generated by the signal source to a phase-locked loop integrated circuit. between the input terminal and near the signal input terminal,
A phase-locked loop input circuit characterized in that a series circuit of a coil and a capacitor that resonates with the frequency of the signal generated by the signal source is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10961488U JPH0232238U (en) | 1988-08-23 | 1988-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10961488U JPH0232238U (en) | 1988-08-23 | 1988-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0232238U true JPH0232238U (en) | 1990-02-28 |
Family
ID=31346017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10961488U Pending JPH0232238U (en) | 1988-08-23 | 1988-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0232238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007536840A (en) * | 2004-05-04 | 2007-12-13 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Crystal oscillator buffer that is robust to interference |
-
1988
- 1988-08-23 JP JP10961488U patent/JPH0232238U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007536840A (en) * | 2004-05-04 | 2007-12-13 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Crystal oscillator buffer that is robust to interference |
| JP4685862B2 (en) * | 2004-05-04 | 2011-05-18 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Crystal oscillator buffer that is robust to interference |
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