JPS604020U - PLL low pass filter - Google Patents
PLL low pass filterInfo
- Publication number
- JPS604020U JPS604020U JP9530383U JP9530383U JPS604020U JP S604020 U JPS604020 U JP S604020U JP 9530383 U JP9530383 U JP 9530383U JP 9530383 U JP9530383 U JP 9530383U JP S604020 U JPS604020 U JP S604020U
- Authority
- JP
- Japan
- Prior art keywords
- pass filter
- inverting amplifier
- low pass
- pll low
- output
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＰＬＬの低域フィルタの一例を示す結線
図、第２図は本考案によるＰＬＬの低域フィルタの一実
施例を示す結線図、第３図は本考案の説明に供する特性
曲線図、第４図乃至第６図はそれぞれ定電流源回路の具
体例を示す結線図である。
図において、１は位相比較器、３はＶＣｏ、６ａは反転
増幅器、７．８及び１０は抵抗器、１１はコンデンサ、
１３は定電流源回路である。Fig. 1 is a wiring diagram showing an example of a conventional PLL low-pass filter, Fig. 2 is a wiring diagram showing an example of a PLL low-pass filter according to the present invention, and Fig. 3 is a characteristic used to explain the present invention. The curve diagrams and FIGS. 4 to 6 are connection diagrams showing specific examples of constant current source circuits, respectively. In the figure, 1 is a phase comparator, 3 is a VCo, 6a is an inverting amplifier, 7.8 and 10 are resistors, 11 is a capacitor,
13 is a constant current source circuit.
Claims (1)
が供給される反転増幅器と、該反転増幅器の入力端子及
び出力端子間に直列に接続された抵抗器及びコンデンサ
を有し、上記反転増幅器の出力が電圧制御発振器に供給
されるようにしたＰＬＬの低域フィルタにおいて、上記
反転増幅器の負荷を定電流源回路としたことを特徴とす
るＰＬＬの低域フィルタ。an input resistor, an inverting amplifier to which the output of the phase comparator is supplied via the input resistor, and a resistor and a capacitor connected in series between the input terminal and the output terminal of the inverting amplifier; 1. A PLL low-pass filter in which the output of an inverting amplifier is supplied to a voltage controlled oscillator, characterized in that the load of the inverting amplifier is a constant current source circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9530383U JPS604020U (en) | 1983-06-21 | 1983-06-21 | PLL low pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9530383U JPS604020U (en) | 1983-06-21 | 1983-06-21 | PLL low pass filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS604020U true JPS604020U (en) | 1985-01-12 |
Family
ID=30227659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9530383U Pending JPS604020U (en) | 1983-06-21 | 1983-06-21 | PLL low pass filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604020U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946036B2 (en) * | 1977-07-29 | 1984-11-09 | 富士電機株式会社 | Multiple pattern recognition device |
-
1983
- 1983-06-21 JP JP9530383U patent/JPS604020U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946036B2 (en) * | 1977-07-29 | 1984-11-09 | 富士電機株式会社 | Multiple pattern recognition device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS604020U (en) | PLL low pass filter | |
| JPS59161713U (en) | VCO | |
| JPS5899912U (en) | Amplifier negative feedback circuit | |
| JPS5883811U (en) | oscillation circuit | |
| JPS59169117U (en) | Loudness control circuit | |
| JPS6050514U (en) | oscillation circuit | |
| JPS5981124U (en) | Variable phase attenuator circuit | |
| JPS6026753U (en) | relay circuit | |
| JPS59187219U (en) | semiconductor circuit | |
| JPS5871293U (en) | Equalizer circuit gain switching circuit | |
| JPS6059615U (en) | AC operational amplifier | |
| JPS6032838U (en) | PLL circuit | |
| JPS59154927U (en) | Active low pass filter | |
| JPS6045518U (en) | automatic level control circuit | |
| JPS58144927U (en) | PLL circuit | |
| JPS59154928U (en) | Active low pass filter | |
| JPS58132410U (en) | rear equalizer circuit | |
| JPS6014525U (en) | notsuchi filter | |
| JPS6032834U (en) | RC oscillation circuit | |
| JPS5890730U (en) | notsuchi filter | |
| JPS58135134U (en) | AFC circuit | |
| JPS6079819U (en) | Load current limit circuit | |
| JPS5866710U (en) | Free-running frequency adjustment circuit for PLL/FM detector | |
| JPS59129228U (en) | PLL circuit | |
| JPS5946036U (en) | charge pump amplifier |