GB1563509A - Intermediate frequency converters - Google Patents
Intermediate frequency converters Download PDFInfo
- Publication number
- GB1563509A GB1563509A GB35936/76A GB3593676A GB1563509A GB 1563509 A GB1563509 A GB 1563509A GB 35936/76 A GB35936/76 A GB 35936/76A GB 3593676 A GB3593676 A GB 3593676A GB 1563509 A GB1563509 A GB 1563509A
- Authority
- GB
- United Kingdom
- Prior art keywords
- converter
- intermediate frequency
- oscillator
- mhz
- output
- 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
- 238000000429 assembly Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000010453 quartz Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000543 intermediate Substances 0.000 description 54
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off
-
- 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
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
-
- 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
- H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Radio Relay Systems (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2547092A DE2547092C3 (de) | 1975-10-21 | 1975-10-21 | Zwischenfrequenzumsetzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1563509A true GB1563509A (en) | 1980-03-26 |
Family
ID=5959678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35936/76A Expired GB1563509A (en) | 1975-10-21 | 1976-08-31 | Intermediate frequency converters |
Country Status (15)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT396194B (de) * | 1988-07-27 | 1993-06-25 | Uher Ag | Verfahren und vorrichtung zum empfangen und filtern eines tonfrequenten eingangssignals mit mindestens einer steuerfrequenz |
| JP2595783B2 (ja) * | 1990-07-31 | 1997-04-02 | 日本電気株式会社 | 送信器 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1270129B (de) * | 1963-07-16 | 1968-06-12 | Rohde & Schwarz | Kombinierter Senderí¬Empfaenger |
| AT254945B (de) * | 1963-12-30 | 1967-06-12 | Siemens Ag | Gestell für Geräte der elektrischen Nachrichtentechnik |
| DE2263137B2 (de) * | 1972-12-22 | 1975-05-15 | Hans Kolbe & Co, 3202 Bad Salzdetfurth | Einrichtung zur Umsetzung sehr hoher Frequenzen |
-
1975
- 1975-10-21 DE DE2547092A patent/DE2547092C3/de not_active Expired
-
1976
- 1976-08-16 CH CH1039476A patent/CH607447A5/xx not_active IP Right Cessation
- 1976-08-17 LU LU75611A patent/LU75611A1/xx unknown
- 1976-08-31 GB GB35936/76A patent/GB1563509A/en not_active Expired
- 1976-09-06 IE IE1975/76A patent/IE44164B1/en unknown
- 1976-09-22 AT AT702276A patent/AT355628B/de not_active IP Right Cessation
- 1976-09-30 AR AR264934A patent/AR209203A1/es active
- 1976-10-07 SE SE7611138A patent/SE413728B/sv unknown
- 1976-10-08 FR FR7630319A patent/FR2329102A1/fr active Granted
- 1976-10-19 IT IT28473/76A patent/IT1073095B/it active
- 1976-10-20 BR BR7607019A patent/BR7607019A/pt unknown
- 1976-10-20 NL NL7611585A patent/NL7611585A/xx not_active Application Discontinuation
- 1976-10-20 DK DK474276A patent/DK474276A/da unknown
- 1976-10-21 BE BE171687A patent/BE847505A/xx unknown
- 1976-10-21 JP JP51126757A patent/JPS5250609A/ja active Pending
-
1981
- 1981-05-06 JP JP1981064463U patent/JPS56172045U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2329102A1 (fr) | 1977-05-20 |
| DE2547092C3 (de) | 1983-05-05 |
| BE847505A (fr) | 1977-02-14 |
| JPS56172045U (enrdf_load_html_response) | 1981-12-18 |
| IE44164L (en) | 1977-04-21 |
| BR7607019A (pt) | 1977-09-06 |
| LU75611A1 (enrdf_load_html_response) | 1977-03-29 |
| IT1073095B (it) | 1985-04-13 |
| AT355628B (de) | 1980-03-10 |
| IE44164B1 (en) | 1981-08-26 |
| FR2329102B1 (enrdf_load_html_response) | 1980-08-08 |
| AR209203A1 (es) | 1977-03-31 |
| SE7611138L (sv) | 1977-04-22 |
| DE2547092A1 (de) | 1977-04-28 |
| JPS5250609A (en) | 1977-04-22 |
| ATA702276A (de) | 1979-08-15 |
| NL7611585A (nl) | 1977-04-25 |
| DE2547092B2 (de) | 1979-10-31 |
| DK474276A (da) | 1977-04-22 |
| SE413728B (sv) | 1980-06-16 |
| CH607447A5 (enrdf_load_html_response) | 1978-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |