DK380976A - Blanderforsterker - Google Patents
BlanderforsterkerInfo
- Publication number
- DK380976A DK380976A DK380976A DK380976A DK380976A DK 380976 A DK380976 A DK 380976A DK 380976 A DK380976 A DK 380976A DK 380976 A DK380976 A DK 380976A DK 380976 A DK380976 A DK 380976A
- Authority
- DK
- Denmark
- Prior art keywords
- mixer amplifier
- mixer
- amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
- H03D7/125—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes with field effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60769875A | 1975-08-25 | 1975-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK380976A true DK380976A (da) | 1977-02-26 |
Family
ID=24433332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK380976A DK380976A (da) | 1975-08-25 | 1976-08-24 | Blanderforsterker |
Country Status (15)
Country | Link |
---|---|
JP (1) | JPS591011B2 (da) |
AT (1) | AT371651B (da) |
AU (1) | AU507375B2 (da) |
BE (1) | BE845467A (da) |
DE (1) | DE2638310C3 (da) |
DK (1) | DK380976A (da) |
ES (1) | ES450963A1 (da) |
FI (1) | FI63645C (da) |
FR (1) | FR2322481A1 (da) |
GB (1) | GB1553869A (da) |
IT (1) | IT1067991B (da) |
NL (1) | NL7609401A (da) |
PL (1) | PL108050B1 (da) |
SE (1) | SE405667B (da) |
ZA (1) | ZA764974B (da) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3401863C2 (de) * | 1984-01-20 | 1986-01-30 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Bandabhängig schaltbare VHF-Mischerschaltungsanordnung |
JPH0630401Y2 (ja) * | 1990-06-01 | 1994-08-17 | 橋本電機工業株式会社 | ベニヤテンダーライザー |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970254A (en) * | 1974-08-19 | 1976-07-20 | Black Clawson Fibreclaim, Inc. | Method for separating glass from heat resistant materials |
US3976944A (en) * | 1975-02-13 | 1976-08-24 | General Electric Company | Bias optimized FET mixer for varactor tuner |
-
1976
- 1976-08-18 ZA ZA764974A patent/ZA764974B/xx unknown
- 1976-08-18 FI FI762357A patent/FI63645C/fi not_active IP Right Cessation
- 1976-08-18 SE SE7609198A patent/SE405667B/xx unknown
- 1976-08-18 GB GB34472/76A patent/GB1553869A/en not_active Expired
- 1976-08-19 AU AU16959/76A patent/AU507375B2/en not_active Expired
- 1976-08-20 FR FR7625374A patent/FR2322481A1/fr active Granted
- 1976-08-23 IT IT26442/76A patent/IT1067991B/it active
- 1976-08-24 BE BE170034A patent/BE845467A/xx not_active IP Right Cessation
- 1976-08-24 DK DK380976A patent/DK380976A/da not_active Application Discontinuation
- 1976-08-24 NL NL7609401A patent/NL7609401A/xx not_active Application Discontinuation
- 1976-08-25 ES ES450963A patent/ES450963A1/es not_active Expired
- 1976-08-25 PL PL1976191997A patent/PL108050B1/pl unknown
- 1976-08-25 JP JP51102186A patent/JPS591011B2/ja not_active Expired
- 1976-08-25 AT AT0630276A patent/AT371651B/de not_active IP Right Cessation
- 1976-08-25 DE DE2638310A patent/DE2638310C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2638310A1 (de) | 1977-03-03 |
GB1553869A (en) | 1979-10-10 |
NL7609401A (nl) | 1977-03-01 |
AT371651B (de) | 1983-07-25 |
BE845467A (fr) | 1976-12-16 |
ATA630276A (de) | 1982-11-15 |
FI63645B (fi) | 1983-03-31 |
JPS591011B2 (ja) | 1984-01-10 |
DE2638310C3 (de) | 1981-11-05 |
SE7609198L (sv) | 1977-02-26 |
DE2638310B2 (de) | 1978-01-05 |
ZA764974B (en) | 1977-07-27 |
PL108050B1 (pl) | 1980-03-31 |
FI762357A (da) | 1977-02-26 |
SE405667B (sv) | 1978-12-18 |
FI63645C (fi) | 1983-07-11 |
AU507375B2 (en) | 1980-02-14 |
ES450963A1 (es) | 1977-08-16 |
IT1067991B (it) | 1985-03-21 |
AU1695976A (en) | 1978-02-23 |
JPS5227206A (en) | 1977-03-01 |
FR2322481B1 (da) | 1980-05-30 |
FR2322481A1 (fr) | 1977-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ATS | Application withdrawn |