JPH02143839U - - Google Patents
Info
- Publication number
- JPH02143839U JPH02143839U JP5124389U JP5124389U JPH02143839U JP H02143839 U JPH02143839 U JP H02143839U JP 5124389 U JP5124389 U JP 5124389U JP 5124389 U JP5124389 U JP 5124389U JP H02143839 U JPH02143839 U JP H02143839U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- ring oscillator
- power supply
- inverters
- input terminal
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例を示す回路図、第２
図は他の実施例を示す回路図であり、第３図は従
来例を示す回路図である。
１０……ＶＣＯ、１１，１２，１３……インバ
ータ、１４……リング発振器、１５……抵抗素子
、１６……電源。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing another embodiment, and FIG. 3 is a circuit diagram showing a conventional example. 10... VCO, 11, 12, 13... Inverter, 14... Ring oscillator, 15... Resistance element, 16... Power supply.
Claims (1)
るインバータを奇数個直列接続してリング発振器
を形成し、該リング発振器の直流電圧入力端子に
電圧−電流変換回路を接続したことを特徴とする
電圧制御発振器。 A voltage controlled oscillator characterized in that a ring oscillator is formed by connecting an odd number of inverters in series whose switching speed changes in accordance with the power supply current, and a voltage-current conversion circuit is connected to a DC voltage input terminal of the ring oscillator. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5124389U JPH02143839U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5124389U JPH02143839U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02143839U true JPH02143839U (en) | 1990-12-06 |
Family
ID=31570503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5124389U Pending JPH02143839U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02143839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007029463A1 (en) * | 2005-09-06 | 2007-03-15 | Advantest Corporation | Test equipment and test method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020619A (en) * | 1983-07-15 | 1985-02-01 | Hitachi Ltd | Digital oscillator |
-
1989
- 1989-04-28 JP JP5124389U patent/JPH02143839U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020619A (en) * | 1983-07-15 | 1985-02-01 | Hitachi Ltd | Digital oscillator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007029463A1 (en) * | 2005-09-06 | 2007-03-15 | Advantest Corporation | Test equipment and test method |
| US7696771B2 (en) | 2005-09-06 | 2010-04-13 | Advantest Corporation | Test apparatus and test method |