JPS54158139A - Sample holding circuit - Google Patents
Sample holding circuitInfo
- Publication number
- JPS54158139A JPS54158139A JP5691878A JP5691878A JPS54158139A JP S54158139 A JPS54158139 A JP S54158139A JP 5691878 A JP5691878 A JP 5691878A JP 5691878 A JP5691878 A JP 5691878A JP S54158139 A JPS54158139 A JP S54158139A
- Authority
- JP
- Japan
- Prior art keywords
- holding
- connection step
- complementary connection
- sample switch
- sample
- 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
Abstract
PURPOSE: To secure holding the output voltage under the non-input state at the less voltage (earth side) for the sample holding circuit featuring a high responsibility plus the reduced holding error and temperature dependence.
CONSTITUTION: Sampled signal 17 is applied to the input terminal of the sample switch consisting of Tr28 via the first complementary connection step comprising transistors Tr35 and 36, Tr37 with the base and the collector connected together and emitter follower Tr42 each, and also applied to the above mentioned sample switch circuit via the second complementary connection step comprising Tr40 and 41. Holding capacitor 31 is connected between the earth and the output terminal of the sample switch, and the output is drawn out via the third complementary connection step consisting of Tr45 and 46, Tr48, with the base and the collector connected together and emitter follower Tr49 each.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5691878A JPS54158139A (en) | 1978-05-12 | 1978-05-12 | Sample holding circuit |
US06/007,247 US4211964A (en) | 1978-01-31 | 1979-01-29 | Speed control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5691878A JPS54158139A (en) | 1978-05-12 | 1978-05-12 | Sample holding circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54158139A true JPS54158139A (en) | 1979-12-13 |
JPS5543199B2 JPS5543199B2 (en) | 1980-11-05 |
Family
ID=13040853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5691878A Granted JPS54158139A (en) | 1978-01-31 | 1978-05-12 | Sample holding circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54158139A (en) |
-
1978
- 1978-05-12 JP JP5691878A patent/JPS54158139A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5543199B2 (en) | 1980-11-05 |
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