FR2396471B1 - - Google Patents
Info
- Publication number
- FR2396471B1 FR2396471B1 FR7819656A FR7819656A FR2396471B1 FR 2396471 B1 FR2396471 B1 FR 2396471B1 FR 7819656 A FR7819656 A FR 7819656A FR 7819656 A FR7819656 A FR 7819656A FR 2396471 B1 FR2396471 B1 FR 2396471B1
- Authority
- FR
- France
- 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
Classifications
-
- 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
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
- H03D9/06—Transference of modulation using distributed inductance and capacitance
- H03D9/0658—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes
- H03D9/0666—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes using bipolar transistors
-
- 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
- H04B1/163—Special arrangements for the reduction of the damping of resonant circuits of receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Bipolar Transistors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2729487A DE2729487C2 (de) | 1977-06-30 | 1977-06-30 | Anordnung für durchstimmbare Hochfrequenz- und Mischstufen in Fernsehempfängern |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2396471A1 FR2396471A1 (fr) | 1979-01-26 |
FR2396471B1 true FR2396471B1 (de) | 1985-01-25 |
Family
ID=6012754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7819656A Granted FR2396471A1 (fr) | 1977-06-30 | 1978-06-30 | Perfectionnement apporte aux etages melangeurs haute frequence des tuners de reception de television |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2729487C2 (de) |
ES (1) | ES470843A1 (de) |
FR (1) | FR2396471A1 (de) |
IT (1) | IT1202750B (de) |
TR (1) | TR20160A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4321190C2 (de) * | 1993-06-25 | 1995-04-20 | Ant Nachrichtentech | Gegentaktmischer |
-
1977
- 1977-06-30 DE DE2729487A patent/DE2729487C2/de not_active Expired
-
1978
- 1978-06-15 ES ES470843A patent/ES470843A1/es not_active Expired
- 1978-06-20 TR TR20160A patent/TR20160A/xx unknown
- 1978-06-22 IT IT24834/78A patent/IT1202750B/it active
- 1978-06-30 FR FR7819656A patent/FR2396471A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2729487C2 (de) | 1979-08-16 |
DE2729487B1 (de) | 1978-12-21 |
TR20160A (tr) | 1980-09-29 |
FR2396471A1 (fr) | 1979-01-26 |
ES470843A1 (es) | 1979-02-01 |
IT7824834A0 (it) | 1978-06-22 |
IT1202750B (it) | 1989-02-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |