JPS54128382A - Tuning signal intensity detecting circuit - Google Patents
Tuning signal intensity detecting circuitInfo
- Publication number
- JPS54128382A JPS54128382A JP3551778A JP3551778A JPS54128382A JP S54128382 A JPS54128382 A JP S54128382A JP 3551778 A JP3551778 A JP 3551778A JP 3551778 A JP3551778 A JP 3551778A JP S54128382 A JPS54128382 A JP S54128382A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- current
- output
- bias voltage
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
- H03J3/14—Visual indication, e.g. magic eye
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3551778A JPS54128382A (en) | 1978-03-29 | 1978-03-29 | Tuning signal intensity detecting circuit |
US06/010,018 US4247949A (en) | 1978-03-29 | 1979-02-06 | Signal strength detecting circuit |
DE19792910518 DE2910518A1 (de) | 1978-03-29 | 1979-03-16 | Signalstaerke-detektorschaltung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3551778A JPS54128382A (en) | 1978-03-29 | 1978-03-29 | Tuning signal intensity detecting circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54128382A true JPS54128382A (en) | 1979-10-04 |
JPS6118701B2 JPS6118701B2 (ja) | 1986-05-14 |
Family
ID=12443937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3551778A Granted JPS54128382A (en) | 1978-03-29 | 1978-03-29 | Tuning signal intensity detecting circuit |
Country Status (3)
Country | Link |
---|---|
US (1) | US4247949A (ja) |
JP (1) | JPS54128382A (ja) |
DE (1) | DE2910518A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4429416A (en) | 1982-03-26 | 1984-01-31 | National Semiconductor Corporation | Multistage cascade/cascode limiting IF amplifier and meter circuit |
US4442549A (en) * | 1982-05-27 | 1984-04-10 | Motorola, Inc. | Meter drive circuit |
US4597107A (en) * | 1983-04-01 | 1986-06-24 | Psr Products, Inc. | Modulation detector and classifier |
GB2145890B (en) * | 1983-09-01 | 1987-05-20 | Plessey Co Plc | Signal strength detector |
US4578820A (en) * | 1984-03-05 | 1986-03-25 | General Electric Company | Received signal strength indicator |
FI99171C (fi) * | 1991-09-12 | 1997-10-10 | Nokia Mobile Phones Ltd | Kytkentä RSSI-signaalin lähtöjännitteen skaalaukseen |
DE4242739A1 (de) * | 1992-12-17 | 1994-06-23 | Thomson Brandt Gmbh | Rundfunkempfänger |
JPH07111484A (ja) * | 1993-08-20 | 1995-04-25 | Hitachi Ltd | 無線通信装置 |
GB2319918B (en) * | 1996-12-02 | 2001-04-04 | Nokia Mobile Phones Ltd | Amplifier system |
US5873046A (en) * | 1996-12-11 | 1999-02-16 | Lucent Technologies Inc. | System for communicating in analog or digital mode and mobile station employing the same |
US7010283B2 (en) * | 2002-01-16 | 2006-03-07 | Oki Electric Industry Co., Ltd. | Signal waveform detection circuit |
JP4343060B2 (ja) * | 2004-08-26 | 2009-10-14 | シャープ株式会社 | 受信信号強度測定回路、受信信号強度検出回路および無線受信機 |
US20060255159A1 (en) * | 2005-05-11 | 2006-11-16 | Fec Co., Ltd.., And The Government Of Malaysia | Power supply circuit in IC chip for non-contact IC card |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1960022B2 (de) * | 1969-11-29 | 1973-09-27 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth | Schaltungsanordnung zur Anzeige der Senderfeldstarke am Signaleingang eines Empfangers für Frequenzmoduherte Hochfrequente Schwingungen |
US3673499A (en) * | 1970-08-26 | 1972-06-27 | Rca Corp | Combined tuning and signal strength indicator circuit with signal strength indication derived from each if amplifying stage |
US3753120A (en) * | 1971-05-11 | 1973-08-14 | Sony Corp | Control signal generating circuit |
US3701022A (en) * | 1971-06-08 | 1972-10-24 | Rca Corp | Peak-to-peak detector |
US3932768A (en) * | 1973-03-15 | 1976-01-13 | Victor Company Of Japan, Ltd. | Limiting amplifier |
CA1067155A (en) * | 1975-04-02 | 1979-11-27 | Sony Corporation | Input level display circuit for receivers |
JPS52153610A (en) * | 1976-06-17 | 1977-12-20 | Pioneer Electronic Corp | Circuit for driving signal meter of receiver |
-
1978
- 1978-03-29 JP JP3551778A patent/JPS54128382A/ja active Granted
-
1979
- 1979-02-06 US US06/010,018 patent/US4247949A/en not_active Expired - Lifetime
- 1979-03-16 DE DE19792910518 patent/DE2910518A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2910518A1 (de) | 1979-10-04 |
US4247949A (en) | 1981-01-27 |
JPS6118701B2 (ja) | 1986-05-14 |
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