JPS5693185A - Transfer pulse control system of charge transfer element - Google Patents
Transfer pulse control system of charge transfer elementInfo
- Publication number
- JPS5693185A JPS5693185A JP16973379A JP16973379A JPS5693185A JP S5693185 A JPS5693185 A JP S5693185A JP 16973379 A JP16973379 A JP 16973379A JP 16973379 A JP16973379 A JP 16973379A JP S5693185 A JPS5693185 A JP S5693185A
- Authority
- JP
- Japan
- Prior art keywords
- turned
- control
- charge
- control system
- source
- 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.)
- Granted
Links
Landscapes
- Networks Using Active Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Solid State Image Pick-Up Elements (AREA)
Abstract
PURPOSE: To realize a control for both the rising and falling times of a transfer pulse in accordance with the property of the CCD, by varying a control voltage to be supplied to a source electrode of the MOSFET which is contained in a charge/discharge route of a driving circuit.
CONSTITUTION: With an input of a low-level signal, the MOSFETQ1 and Q3 are turned on with Q2 turned off respectively. And the load capacity CL is charged via Q1 and Q3. In this case, if the control voltage VC connected to the source of Q3 is varied, the voltage between the gate and the source of Q3 varies to change the gm of Q3. Thus the charging current is controlled to realize a control of the rising time. On the other hand, both Q1 and Q3 are turned off with Q2 turned on with an input of a high-level signal. Accordingly, the charge of the capacity CL is discharged. In the same way, the discharge current is controlled by varying the gm of the FET on the discharge route to realize a control of the falling time.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16973379A JPS6044757B2 (en) | 1979-12-26 | 1979-12-26 | Transfer pulse control method for charge transfer device |
EP80108143A EP0031583B1 (en) | 1979-12-26 | 1980-12-22 | A driver circuit for charge coupled device |
DE8080108143T DE3072118D1 (en) | 1979-12-26 | 1980-12-22 | A driver circuit for charge coupled device |
US06/219,239 US4424456A (en) | 1979-12-26 | 1980-12-23 | Driver circuit for charge coupled device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16973379A JPS6044757B2 (en) | 1979-12-26 | 1979-12-26 | Transfer pulse control method for charge transfer device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5693185A true JPS5693185A (en) | 1981-07-28 |
JPS6044757B2 JPS6044757B2 (en) | 1985-10-05 |
Family
ID=15891834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16973379A Expired JPS6044757B2 (en) | 1979-12-26 | 1979-12-26 | Transfer pulse control method for charge transfer device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6044757B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63107655U (en) * | 1986-12-27 | 1988-07-11 |
-
1979
- 1979-12-26 JP JP16973379A patent/JPS6044757B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6044757B2 (en) | 1985-10-05 |
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