CH271259A - Procédé de conversion de fréquence. - Google Patents
Procédé de conversion de fréquence.Info
- Publication number
- CH271259A CH271259A CH271259DA CH271259A CH 271259 A CH271259 A CH 271259A CH 271259D A CH271259D A CH 271259DA CH 271259 A CH271259 A CH 271259A
- Authority
- CH
- Switzerland
- Prior art keywords
- frequency
- signal
- wave
- output
- oscillator
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 12
- 238000006243 chemical reaction Methods 0.000 title claims description 7
- 230000010355 oscillation Effects 0.000 claims description 8
- 230000035559 beat frequency Effects 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 125000005842 heteroatom Chemical group 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 description 2
- 235000005291 Rumex acetosa Nutrition 0.000 description 2
- 240000007001 Rumex acetosella Species 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 235000003513 sheep sorrel Nutrition 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000225992 Actias sinensis Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US271259XA | 1946-03-12 | 1946-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH271259A true CH271259A (fr) | 1950-10-15 |
Family
ID=21835835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH271259D CH271259A (fr) | 1946-03-12 | 1947-06-17 | Procédé de conversion de fréquence. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH271259A (enrdf_load_html_response) |
| NL (1) | NL74184C (enrdf_load_html_response) |
-
0
- NL NL74184D patent/NL74184C/xx active
-
1947
- 1947-06-17 CH CH271259D patent/CH271259A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL74184C (enrdf_load_html_response) |
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