JPS542005A - Channel selection unit - Google Patents
Channel selection unitInfo
- Publication number
- JPS542005A JPS542005A JP6767877A JP6767877A JPS542005A JP S542005 A JPS542005 A JP S542005A JP 6767877 A JP6767877 A JP 6767877A JP 6767877 A JP6767877 A JP 6767877A JP S542005 A JPS542005 A JP S542005A
- Authority
- JP
- Japan
- Prior art keywords
- selection unit
- channel selection
- band
- voltage
- frequency
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Abstract
PURPOSE:To avoid malfunctions even with the different allowable ranges of the frequency contorl voltage every band, by using the voltage for band selection and by clamping it so that the frequency control voltage at the band is not in excess of its permissible range.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6767877A JPS542005A (en) | 1977-06-07 | 1977-06-07 | Channel selection unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6767877A JPS542005A (en) | 1977-06-07 | 1977-06-07 | Channel selection unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS542005A true JPS542005A (en) | 1979-01-09 |
Family
ID=13351884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6767877A Pending JPS542005A (en) | 1977-06-07 | 1977-06-07 | Channel selection unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS542005A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59189357U (en) * | 1983-06-01 | 1984-12-15 | 日立電子株式会社 | wideband radio |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51141512A (en) * | 1975-05-31 | 1976-12-06 | Toshiba Corp | Frequency synthesizer receiver |
JPS524712A (en) * | 1975-06-30 | 1977-01-14 | Toshiba Corp | Frequency synthesizer receiver |
-
1977
- 1977-06-07 JP JP6767877A patent/JPS542005A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51141512A (en) * | 1975-05-31 | 1976-12-06 | Toshiba Corp | Frequency synthesizer receiver |
JPS524712A (en) * | 1975-06-30 | 1977-01-14 | Toshiba Corp | Frequency synthesizer receiver |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59189357U (en) * | 1983-06-01 | 1984-12-15 | 日立電子株式会社 | wideband radio |
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