JPH0576085B2 - - Google Patents
Info
- Publication number
- JPH0576085B2 JPH0576085B2 JP57206767A JP20676782A JPH0576085B2 JP H0576085 B2 JPH0576085 B2 JP H0576085B2 JP 57206767 A JP57206767 A JP 57206767A JP 20676782 A JP20676782 A JP 20676782A JP H0576085 B2 JPH0576085 B2 JP H0576085B2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- signal
- transistors
- output
- collector
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G11B5/035—Equalising
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements in emitter-coupled or cascode amplifiers
Landscapes
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/324,773 US4405954A (en) | 1981-11-25 | 1981-11-25 | Radio frequency equalizer |
US324773 | 1989-03-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5897125A JPS5897125A (ja) | 1983-06-09 |
JPH0576085B2 true JPH0576085B2 (en]) | 1993-10-21 |
Family
ID=23265047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57206767A Granted JPS5897125A (ja) | 1981-11-25 | 1982-11-25 | 高周波用等化器 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4405954A (en]) |
JP (1) | JPS5897125A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57200926A (en) * | 1981-06-03 | 1982-12-09 | Hitachi Ltd | Signal processing circuit |
US4479152A (en) * | 1982-04-22 | 1984-10-23 | Sperry Corporation | Adjustable equalizer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3757254A (en) * | 1970-06-05 | 1973-09-04 | Victor Co Ltd | N system noise reduction system and apparatus using a compression and expansio |
JPS504487A (en]) * | 1973-05-18 | 1975-01-17 | ||
US4271439A (en) * | 1979-04-24 | 1981-06-02 | Polaroid Corporation | Electronic gain and noise control for recording of analog information |
-
1981
- 1981-11-25 US US06/324,773 patent/US4405954A/en not_active Expired - Lifetime
-
1982
- 1982-11-25 JP JP57206767A patent/JPS5897125A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4405954A (en) | 1983-09-20 |
JPS5897125A (ja) | 1983-06-09 |
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