JPS52123847A - Expander of intermediate frequency band - Google Patents
Expander of intermediate frequency bandInfo
- Publication number
- JPS52123847A JPS52123847A JP4073776A JP4073776A JPS52123847A JP S52123847 A JPS52123847 A JP S52123847A JP 4073776 A JP4073776 A JP 4073776A JP 4073776 A JP4073776 A JP 4073776A JP S52123847 A JPS52123847 A JP S52123847A
- Authority
- JP
- Japan
- Prior art keywords
- frequency band
- intermediate frequency
- expander
- circuit
- detection circuit
- 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
Landscapes
- Radio Transmission System (AREA)
- Attenuators (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
PURPOSE: To obtain the circuit with the required expansion rate easily by composing the intermediate frequency band expander, used for the diversity receiption, of the variable attenuating circuit that relative by permit ease of a presumption of the attenaution control characteristic and the detection circuit that contains an envelope detection circuit.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4073776A JPS52123847A (en) | 1976-04-10 | 1976-04-10 | Expander of intermediate frequency band |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4073776A JPS52123847A (en) | 1976-04-10 | 1976-04-10 | Expander of intermediate frequency band |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52123847A true JPS52123847A (en) | 1977-10-18 |
Family
ID=12588933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4073776A Pending JPS52123847A (en) | 1976-04-10 | 1976-04-10 | Expander of intermediate frequency band |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52123847A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6218125A (en) * | 1985-07-17 | 1987-01-27 | Nippon Telegr & Teleph Corp <Ntt> | Diversity synthesis circuit |
-
1976
- 1976-04-10 JP JP4073776A patent/JPS52123847A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6218125A (en) * | 1985-07-17 | 1987-01-27 | Nippon Telegr & Teleph Corp <Ntt> | Diversity synthesis circuit |
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