JPS54160156A - Detection circuit - Google Patents
Detection circuitInfo
- Publication number
- JPS54160156A JPS54160156A JP6952678A JP6952678A JPS54160156A JP S54160156 A JPS54160156 A JP S54160156A JP 6952678 A JP6952678 A JP 6952678A JP 6952678 A JP6952678 A JP 6952678A JP S54160156 A JPS54160156 A JP S54160156A
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- circuit
- time constant
- low frequency
- amplification factor
- 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
PURPOSE: To facilitate an easy formation of an intergated circuit as well as to enhance the detection efficiency at the low frequency band by providing the time constant discharge means comprising the transistor circuit featuring a large time constant.
CONSTITUTION: The input given from amplitude modulation signal source 20 is amplified 21 and then supplied to transistor 26 incorporating time constant circuit 27. Circuit 27 comprises the composite transistor circuit of capacitor 28, transistor 29 and 32, diode-connected transistor 30 plus resistance 33 and 31. In this case, the time constant depends on the DC amplification factor of transistor 29 and the current amplification factor of the composite transistor circuit, and the latter is decided by the value of resistance 31 and 33. Accordingly, the time constant can be decided under good conditions even with the low frequency and the dispersion of the elements, thus ensuring a highly efficient detection with easy formation into an integrated circuit.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6952678A JPS54160156A (en) | 1978-06-09 | 1978-06-09 | Detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6952678A JPS54160156A (en) | 1978-06-09 | 1978-06-09 | Detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54160156A true JPS54160156A (en) | 1979-12-18 |
Family
ID=13405248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6952678A Pending JPS54160156A (en) | 1978-06-09 | 1978-06-09 | Detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54160156A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59132212U (en) * | 1983-02-22 | 1984-09-05 | 三洋電機株式会社 | AM detection circuit |
JPS6257418U (en) * | 1985-09-30 | 1987-04-09 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136581A (en) * | 1974-09-17 | 1976-03-27 | Seconic Kk | TAIMUSUITSUCHI |
JPS5345950A (en) * | 1976-10-08 | 1978-04-25 | Hitachi Ltd | Circuit obtaining high resistivity |
-
1978
- 1978-06-09 JP JP6952678A patent/JPS54160156A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136581A (en) * | 1974-09-17 | 1976-03-27 | Seconic Kk | TAIMUSUITSUCHI |
JPS5345950A (en) * | 1976-10-08 | 1978-04-25 | Hitachi Ltd | Circuit obtaining high resistivity |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59132212U (en) * | 1983-02-22 | 1984-09-05 | 三洋電機株式会社 | AM detection circuit |
JPH0346574Y2 (en) * | 1983-02-22 | 1991-10-02 | ||
JPS6257418U (en) * | 1985-09-30 | 1987-04-09 | ||
JPH057765Y2 (en) * | 1985-09-30 | 1993-02-26 |
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