CH352375A - Circuit arrangement for generating frequency-modulated telegraphy signals with a transistor - Google Patents
Circuit arrangement for generating frequency-modulated telegraphy signals with a transistorInfo
- Publication number
- CH352375A CH352375A CH352375DA CH352375A CH 352375 A CH352375 A CH 352375A CH 352375D A CH352375D A CH 352375DA CH 352375 A CH352375 A CH 352375A
- Authority
- CH
- Switzerland
- Prior art keywords
- modulated
- transistor
- circuit arrangement
- generating frequency
- telegraphy signals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
Landscapes
- Engineering & Computer Science (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 |
---|---|---|---|
DET12854A DE1013330B (en) | 1956-11-10 | 1956-11-10 | Circuit arrangement for generating frequency-modulated telegraph signals with a transistor |
Publications (1)
Publication Number | Publication Date |
---|---|
CH352375A true CH352375A (en) | 1961-02-28 |
Family
ID=7547149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH352375D CH352375A (en) | 1956-11-10 | 1957-09-19 | Circuit arrangement for generating frequency-modulated telegraphy signals with a transistor |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH352375A (en) |
DE (1) | DE1013330B (en) |
NL (2) | NL109096C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1271781B (en) * | 1964-04-23 | 1968-07-04 | Siemens Ag | Circuit for angle modulation of an electrical oscillation |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2994043A (en) * | 1960-01-25 | 1961-07-25 | Data Control Systems Inc | F-m oscillator circuit arrangements |
-
0
- NL NL221429D patent/NL221429A/xx unknown
- NL NL109096D patent/NL109096C/xx active
-
1956
- 1956-11-10 DE DET12854A patent/DE1013330B/en active Pending
-
1957
- 1957-09-19 CH CH352375D patent/CH352375A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1271781B (en) * | 1964-04-23 | 1968-07-04 | Siemens Ag | Circuit for angle modulation of an electrical oscillation |
Also Published As
Publication number | Publication date |
---|---|
NL109096C (en) | |
NL221429A (en) | |
DE1013330B (en) | 1957-08-08 |
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