GB412942A - Frequency selective filtering circuits - Google Patents
Frequency selective filtering circuitsInfo
- Publication number
- GB412942A GB412942A GB208/33A GB20833A GB412942A GB 412942 A GB412942 A GB 412942A GB 208/33 A GB208/33 A GB 208/33A GB 20833 A GB20833 A GB 20833A GB 412942 A GB412942 A GB 412942A
- Authority
- GB
- United Kingdom
- Prior art keywords
- impedances
- path
- voltage
- frequency
- aperiodic
- 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
- 238000001914 filtration Methods 0.000 title 1
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
Classifications
-
- 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
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US590173A US2048527A (en) | 1932-02-01 | 1932-02-01 | Selective circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB412942A true GB412942A (en) | 1934-07-03 |
Family
ID=24361161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB208/33A Expired GB412942A (en) | 1932-02-01 | 1933-01-03 | Frequency selective filtering circuits |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2048527A (enrdf_load_stackoverflow) |
| BE (1) | BE393901A (enrdf_load_stackoverflow) |
| DE (1) | DE749560C (enrdf_load_stackoverflow) |
| FR (1) | FR749563A (enrdf_load_stackoverflow) |
| GB (1) | GB412942A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3593154A (en) * | 1969-01-28 | 1971-07-13 | Zenith Radio Corp | Frequency-selective coupling network for a television tuner |
-
0
- BE BE393901D patent/BE393901A/xx unknown
-
1932
- 1932-02-01 US US590173A patent/US2048527A/en not_active Expired - Lifetime
-
1933
- 1933-01-03 GB GB208/33A patent/GB412942A/en not_active Expired
- 1933-01-26 FR FR749563D patent/FR749563A/fr not_active Expired
- 1933-01-28 DE DEH135012D patent/DE749560C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2048527A (en) | 1936-07-21 |
| FR749563A (fr) | 1933-07-26 |
| DE749560C (de) | 1944-11-25 |
| BE393901A (enrdf_load_stackoverflow) |
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