JPS55114054A - Automatic if gain control system of time-division multidirectional multiplex communication system - Google Patents
Automatic if gain control system of time-division multidirectional multiplex communication systemInfo
- Publication number
- JPS55114054A JPS55114054A JP2211579A JP2211579A JPS55114054A JP S55114054 A JPS55114054 A JP S55114054A JP 2211579 A JP2211579 A JP 2211579A JP 2211579 A JP2211579 A JP 2211579A JP S55114054 A JPS55114054 A JP S55114054A
- Authority
- JP
- Japan
- Prior art keywords
- gain control
- amplifier
- gain
- automatic
- detector
- 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 exercise batch gain control over received signals, differing in incoming level, from subordinate stations by inputting input signals to a variable gain amplifier after delaying by a delay unit.
CONSTITUTION: By way of constant gain amplifier 6, detector 7 and integrator 8, an input signal is outputted as a gain signal to variable gain amplifier 4. Further, the input signal is delayed by delay unit 5 as long as the signal processing time of amplifier 6, detector 7 and integrator 8. As its input level increases, the output of detector 8 also increases to reduce the gain of amplifier 4. Therefore, batch gain control over received signals differing in incoming level can be exercised by inputting the input signal to variable gain amplifier 4 after delaying by the delay unit, so that automatic gain control can economically be exercised through the simple circuit.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2211579A JPS55114054A (en) | 1979-02-27 | 1979-02-27 | Automatic if gain control system of time-division multidirectional multiplex communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2211579A JPS55114054A (en) | 1979-02-27 | 1979-02-27 | Automatic if gain control system of time-division multidirectional multiplex communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55114054A true JPS55114054A (en) | 1980-09-03 |
Family
ID=12073877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2211579A Pending JPS55114054A (en) | 1979-02-27 | 1979-02-27 | Automatic if gain control system of time-division multidirectional multiplex communication system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55114054A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0256126A (en) * | 1988-08-22 | 1990-02-26 | Nippon Telegr & Teleph Corp <Ntt> | Radio calling device |
-
1979
- 1979-02-27 JP JP2211579A patent/JPS55114054A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0256126A (en) * | 1988-08-22 | 1990-02-26 | Nippon Telegr & Teleph Corp <Ntt> | Radio calling device |
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