JPS494987B1 - - Google Patents
Info
- Publication number
- JPS494987B1 JPS494987B1 JP9426468A JP9426468A JPS494987B1 JP S494987 B1 JPS494987 B1 JP S494987B1 JP 9426468 A JP9426468 A JP 9426468A JP 9426468 A JP9426468 A JP 9426468A JP S494987 B1 JPS494987 B1 JP S494987B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
- H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
- H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
- H03C1/545—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors
-
- 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)
- Amplitude Modulation (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE708513 | 1967-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS494987B1 true JPS494987B1 (enrdf_load_stackoverflow) | 1974-02-04 |
Family
ID=3852050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9426468A Pending JPS494987B1 (enrdf_load_stackoverflow) | 1967-12-27 | 1968-12-24 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS494987B1 (enrdf_load_stackoverflow) |
| BE (1) | BE708513A (enrdf_load_stackoverflow) |
| DE (1) | DE1814473B2 (enrdf_load_stackoverflow) |
| GB (1) | GB1248239A (enrdf_load_stackoverflow) |
| NL (1) | NL6818684A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5027372A (en) * | 1987-03-04 | 1991-06-25 | National Semiconductor Corp. | Differential phase shift keying modulator |
-
1967
- 1967-12-27 BE BE708513D patent/BE708513A/xx unknown
-
1968
- 1968-12-13 DE DE19681814473 patent/DE1814473B2/de active Pending
- 1968-12-19 GB GB6032368A patent/GB1248239A/en not_active Expired
- 1968-12-24 JP JP9426468A patent/JPS494987B1/ja active Pending
- 1968-12-24 NL NL6818684A patent/NL6818684A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1248239A (en) | 1971-09-29 |
| DE1814473A1 (de) | 1969-08-14 |
| DE1814473B2 (de) | 1973-08-23 |
| BE708513A (enrdf_load_stackoverflow) | 1968-06-27 |
| NL6818684A (enrdf_load_stackoverflow) | 1969-07-01 |