DE840261C - Oszillatorschaltung fuer UEberlagerungsempfaenger - Google Patents
Oszillatorschaltung fuer UEberlagerungsempfaengerInfo
- Publication number
- DE840261C DE840261C DEP26145A DEP0026145A DE840261C DE 840261 C DE840261 C DE 840261C DE P26145 A DEP26145 A DE P26145A DE P0026145 A DEP0026145 A DE P0026145A DE 840261 C DE840261 C DE 840261C
- Authority
- DE
- Germany
- Prior art keywords
- coil
- self
- induction
- circuit
- parts
- 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
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
-
- 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
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL266252X | 1947-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE840261C true DE840261C (de) | 1952-05-29 |
Family
ID=19781739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP26145A Expired DE840261C (de) | 1947-04-09 | 1948-12-23 | Oszillatorschaltung fuer UEberlagerungsempfaenger |
Country Status (6)
Country | Link |
---|---|
US (1) | US2531312A (en, 2012) |
BE (1) | BE481727A (en, 2012) |
CH (1) | CH266252A (en, 2012) |
DE (1) | DE840261C (en, 2012) |
FR (1) | FR964332A (en, 2012) |
GB (1) | GB643918A (en, 2012) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2790906A (en) * | 1949-05-28 | 1957-04-30 | Hammond Organ Co | Electronic oscillator |
GB701040A (en) * | 1949-07-11 | 1953-12-16 | Rene Seybold | Improvements in or relating to electrical musical instruments |
US2745961A (en) * | 1951-11-03 | 1956-05-15 | Rca Corp | Multiband u. h. f. oscillators |
US2757283A (en) * | 1952-10-15 | 1956-07-31 | Bell Telephone Labor Inc | System producing nulls in electrical networks |
US2806953A (en) * | 1954-10-13 | 1957-09-17 | Conn Ltd C G | Electronic oscillator for producing frequencies of musical tones |
US2801341A (en) * | 1956-01-24 | 1957-07-30 | David L Jaffe | Oscillator |
US3198549A (en) * | 1962-02-02 | 1965-08-03 | Otto L Martin | Fifth wheel coupling device |
US3252086A (en) * | 1962-07-16 | 1966-05-17 | Moisture Register Company | Electrical apparatus for determining moisture content by measurement of dielectric loss utilizing an oscillator having a resonant tank circuit |
DE3213435A1 (de) * | 1982-04-10 | 1983-10-20 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Vierpolanordnung |
JP2005534203A (ja) * | 2001-10-16 | 2005-11-10 | 株式会社RfStream | モノリシック集積回路上に受信機を実施するための方法および装置 |
US7199844B2 (en) | 2002-05-28 | 2007-04-03 | Rfstream Corporation | Quadratic nyquist slope filter |
CN1656678A (zh) * | 2002-05-29 | 2005-08-17 | Rf信息公司 | 镜像干扰抑制二次滤波器 |
US6954115B2 (en) * | 2002-05-29 | 2005-10-11 | Rf Stream Corporation | Methods and apparatus for tuning successive approximation |
US6882245B2 (en) * | 2002-06-05 | 2005-04-19 | Rf Stream Corporation | Frequency discrete LC filter bank |
US7333155B2 (en) * | 2002-06-05 | 2008-02-19 | Rfstream Corporation | Quadratic video demodulation with baseband nyquist filter |
US6940365B2 (en) * | 2003-07-18 | 2005-09-06 | Rfstream Corporation | Methods and apparatus for an improved discrete LC filter |
EP1861925A2 (en) * | 2005-03-11 | 2007-12-05 | Corporation Rfstream | Radio frequency inductive-capacitive filter circuit topology |
WO2006099161A2 (en) | 2005-03-11 | 2006-09-21 | Rfstream Corporation | A mosfet temperature compensation current source |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE629901C (de) * | 1934-08-11 | 1936-05-14 | Telefunken Gmbh | Oszillatorschaltung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR559477A (fr) * | 1922-12-06 | 1923-09-15 | Générateur d'oscillations électriques de haute fréquence, entretenues, à tube à vide à trois électrodes | |
US1931338A (en) * | 1932-01-20 | 1933-10-17 | Hazeltine Corp | Oscillator-modulator circuit |
US2036319A (en) * | 1935-09-28 | 1936-04-07 | Hazeltine Corp | Oscillation system |
-
0
- FR FR964332D patent/FR964332A/fr not_active Expired
- BE BE481727D patent/BE481727A/xx unknown
-
1948
- 1948-04-06 US US19244A patent/US2531312A/en not_active Expired - Lifetime
- 1948-04-06 GB GB9662/48A patent/GB643918A/en not_active Expired
- 1948-04-07 CH CH266252D patent/CH266252A/de unknown
- 1948-12-23 DE DEP26145A patent/DE840261C/de not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE629901C (de) * | 1934-08-11 | 1936-05-14 | Telefunken Gmbh | Oszillatorschaltung |
Also Published As
Publication number | Publication date |
---|---|
FR964332A (en, 2012) | 1950-08-10 |
CH266252A (de) | 1950-01-15 |
GB643918A (en) | 1950-09-27 |
BE481727A (en, 2012) | |
US2531312A (en) | 1950-11-21 |
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