GB1154550A - Improvements in or relating to Transistor Push-Pull Modulators. - Google Patents
Improvements in or relating to Transistor Push-Pull Modulators.Info
- Publication number
- GB1154550A GB1154550A GB1370467A GB1370467A GB1154550A GB 1154550 A GB1154550 A GB 1154550A GB 1370467 A GB1370467 A GB 1370467A GB 1370467 A GB1370467 A GB 1370467A GB 1154550 A GB1154550 A GB 1154550A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistors
- transformer
- pairs
- resistances
- relating
- 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
- 238000004804 winding Methods 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
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
Landscapes
- Amplitude Modulation (AREA)
Abstract
1,154,550. Balanced modulators. SIEMENS A.G. 23 March, 1967 [25 March, 1966], No. 13704/67. Heading H3R. A balanced modulator comprises four transistors 1-4 connected as shown, the carrier frequency being supplied to the bases from transformer 6 through individual resistances 15-18 and the modulation being supplied from transformer 5 through resistances 21-24. The collectors of the transistors are connected in pairs to opposite ends of the primary winding of the output transformer 7, a centre tap of this winding being connected to one end of a potential source 8 to the other end of which is connected to a centre tap of transformer 6 and through resistances 9 and 10 to the two pairs of emitters; a variable resistance 11 connects the two pairs of emitters. The four transistors are preferably formed as an integral unit and may be arranged in the form of a square on a common baseplate. The transistor should have a high threshold voltage in the base-emitter region, and may be silicon transistors.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0102778 | 1966-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1154550A true GB1154550A (en) | 1969-06-11 |
Family
ID=7524674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1370467A Expired GB1154550A (en) | 1966-03-25 | 1967-03-23 | Improvements in or relating to Transistor Push-Pull Modulators. |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE696053A (en) |
| DE (1) | DE1303769C2 (en) |
| FR (1) | FR1515495A (en) |
| GB (1) | GB1154550A (en) |
| NL (1) | NL6703846A (en) |
| SE (1) | SE333958B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955138A (en) * | 1974-11-06 | 1976-05-04 | General Electric Company | Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals |
-
1966
- 1966-03-25 DE DE19661303769D patent/DE1303769C2/en not_active Expired
-
1967
- 1967-03-14 NL NL6703846A patent/NL6703846A/xx unknown
- 1967-03-22 FR FR99827A patent/FR1515495A/en not_active Expired
- 1967-03-22 SE SE402767A patent/SE333958B/xx unknown
- 1967-03-23 GB GB1370467A patent/GB1154550A/en not_active Expired
- 1967-03-24 BE BE696053D patent/BE696053A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955138A (en) * | 1974-11-06 | 1976-05-04 | General Electric Company | Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals |
Also Published As
| Publication number | Publication date |
|---|---|
| SE333958B (en) | 1971-04-05 |
| DE1303769C2 (en) | 1973-04-12 |
| NL6703846A (en) | 1967-09-26 |
| FR1515495A (en) | 1968-03-01 |
| BE696053A (en) | 1967-09-25 |
| DE1303769B (en) | 1972-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB978252A (en) | Double balanced transistor modulators | |
| ES402652A1 (en) | Amplifier circuit | |
| ES401276A1 (en) | Differential amplifier and bias circuit | |
| GB1421924A (en) | Paired transistor arrangement | |
| GB1154550A (en) | Improvements in or relating to Transistor Push-Pull Modulators. | |
| GB897731A (en) | Improvements in or relating to circuit arrangements suitable for amplifying mixing or modulating electric voltages | |
| GB853277A (en) | Improvements in or relating to inverter circuits | |
| GB773435A (en) | Improvements in or relating to transistor push-pull modulators | |
| US3122715A (en) | Frequency converter systems | |
| GB1187699A (en) | Improvements in or relating to Balanced Modulators | |
| GB1035377A (en) | Transistor amplitude modulators | |
| GB965016A (en) | Improvements in or relating to electric modulator circuits employing transistors | |
| GB960381A (en) | Improvements in analogue electronic computers | |
| GB1253829A (en) | Improvements in or relating to amplitude modulators | |
| GB851103A (en) | Improvements in or relating to modulators for electric carrier communication systems | |
| GB940455A (en) | Push-pull modulating or demodulating circuit | |
| GB900258A (en) | Improvements in electrical converters | |
| GB1076689A (en) | Improvements in and relating to push-pull transistor modulators | |
| GB996460A (en) | Compensating circuit | |
| GB1017544A (en) | Amplitude modulator | |
| GB1065691A (en) | Improvements in or relating to d.c.electrical amplifiers employing d.c.to a.c.conversion | |
| JPS56132006A (en) | Differential amplifier | |
| GB1026174A (en) | Improvements relating to electrical modulating circuits | |
| GB1267827A (en) | Improvements in or relating to amplifiers | |
| GB857280A (en) | Direct current modulator |