JPH0340978B2 - - Google Patents
Info
- Publication number
- JPH0340978B2 JPH0340978B2 JP57015197A JP1519782A JPH0340978B2 JP H0340978 B2 JPH0340978 B2 JP H0340978B2 JP 57015197 A JP57015197 A JP 57015197A JP 1519782 A JP1519782 A JP 1519782A JP H0340978 B2 JPH0340978 B2 JP H0340978B2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- transistors
- signal
- transistor
- output
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000009795 derivation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57015197A JPS58133048A (ja) | 1982-02-02 | 1982-02-02 | 受信機のシグナルメ−タ駆動回路 |
US06/462,865 US4555671A (en) | 1982-02-02 | 1983-02-01 | Circuit for driving a signal meter for a receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57015197A JPS58133048A (ja) | 1982-02-02 | 1982-02-02 | 受信機のシグナルメ−タ駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58133048A JPS58133048A (ja) | 1983-08-08 |
JPH0340978B2 true JPH0340978B2 (en]) | 1991-06-20 |
Family
ID=11882132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57015197A Granted JPS58133048A (ja) | 1982-02-02 | 1982-02-02 | 受信機のシグナルメ−タ駆動回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4555671A (en]) |
JP (1) | JPS58133048A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680553A (en) * | 1985-01-18 | 1987-07-14 | Nec Corporation | Intermediate frequency amplifier with signal strength detection circuit |
DE3540752A1 (de) * | 1985-11-16 | 1987-05-21 | Blaupunkt Werke Gmbh | Schaltungsanordnung mit steuerbarem verstaerkungsfaktor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52153610A (en) * | 1976-06-17 | 1977-12-20 | Pioneer Electronic Corp | Circuit for driving signal meter of receiver |
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 |
-
1982
- 1982-02-02 JP JP57015197A patent/JPS58133048A/ja active Granted
-
1983
- 1983-02-01 US US06/462,865 patent/US4555671A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4555671A (en) | 1985-11-26 |
JPS58133048A (ja) | 1983-08-08 |
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