JPS6416126A - S meter circuit for receiver - Google Patents
S meter circuit for receiverInfo
- Publication number
- JPS6416126A JPS6416126A JP17257287A JP17257287A JPS6416126A JP S6416126 A JPS6416126 A JP S6416126A JP 17257287 A JP17257287 A JP 17257287A JP 17257287 A JP17257287 A JP 17257287A JP S6416126 A JPS6416126 A JP S6416126A
- Authority
- JP
- Japan
- Prior art keywords
- meter
- stage
- squelch
- driving voltage
- control voltage
- 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
Landscapes
- Circuits Of Receivers In General (AREA)
Abstract
PURPOSE:To enable FM reception and to operate an S meter at the time of receiving a weak input signal by adding the control voltage of a voice squelch circuit to the S meter driving voltage. CONSTITUTION:An S meter circuit branches the output of an intermediate frequency amplifier 3 from the preceding stage of a limiter stage 4 to drive an S meter 13 through an amplifying stage 10, a rectifying stage 11, and a DC amplifying stage 12. In this case, a squelch control voltage 91 is added to the driving voltage of the S meter. Thus, deflection of the S meter is increased approximately simultaneously with operation of an FM squelch even if the signal intensity is lower than the noise level of the S meter, and the S meter is operated as if the instruction sensitivity of the S meter were increased. Thus, the S meter is deflected in a range wider than at least a minimum operation level of the voice squelch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17257287A JPS6416126A (en) | 1987-07-10 | 1987-07-10 | S meter circuit for receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17257287A JPS6416126A (en) | 1987-07-10 | 1987-07-10 | S meter circuit for receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6416126A true JPS6416126A (en) | 1989-01-19 |
JPH0434334B2 JPH0434334B2 (en) | 1992-06-05 |
Family
ID=15944322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17257287A Granted JPS6416126A (en) | 1987-07-10 | 1987-07-10 | S meter circuit for receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6416126A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007169955A (en) * | 2005-12-20 | 2007-07-05 | Kowa Kizai:Kk | Reinforcing tool for repairing side ditch, repairing auxiliary tool, repairing grating, repairing structure, and repairing method |
-
1987
- 1987-07-10 JP JP17257287A patent/JPS6416126A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007169955A (en) * | 2005-12-20 | 2007-07-05 | Kowa Kizai:Kk | Reinforcing tool for repairing side ditch, repairing auxiliary tool, repairing grating, repairing structure, and repairing method |
Also Published As
Publication number | Publication date |
---|---|
JPH0434334B2 (en) | 1992-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |