GB877807A - Parametric amplifier - Google Patents
Parametric amplifierInfo
- Publication number
- GB877807A GB877807A GB1976360A GB1976360A GB877807A GB 877807 A GB877807 A GB 877807A GB 1976360 A GB1976360 A GB 1976360A GB 1976360 A GB1976360 A GB 1976360A GB 877807 A GB877807 A GB 877807A
- Authority
- GB
- United Kingdom
- Prior art keywords
- idler
- waveguides
- resonant
- circuit
- tuned
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F7/00—Parametric amplifiers
- H03F7/04—Parametric amplifiers using variable-capacitance element; using variable-permittivity element
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
877,807. Parametric amplifiers. MULLARD Ltd. June 3, 1960, No. 19763/60. Class 40 (9). A parametric amplifier comprises two resonant waveguides coupled at a junction thereof to a resonant coaxial line circuit, said junction forming part of each resonant circuit and including a voltage-dependent reactor, each circuit having an independently adjustable tuning device. Fig. 1 illustrates the waveguides A, B which are tuned by probes F, G to support standing waves of the idler and pump frequency respectively, the short-circuiting plungers H, J being adjusted so that no idler frequency energy flows into the pump branch and vice versa. The diode E, operating as a voltage-dependent reactor is shown more clearly in Fig. 2 which also shows the coaxial cable K, tuned to the signal frequency by the plunger L and coupled to the waveguides via a choke R which prevents idler or pump frequency power entering the coaxial cable. One terminal of the diode is connected to the inner conductor, and the other terminal to the wall of the waveguide via a bias battery O. Signal input and output to and from the coaxial line is provided by probes P and Q.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1976360A GB877807A (en) | 1960-06-03 | 1960-06-03 | Parametric amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1976360A GB877807A (en) | 1960-06-03 | 1960-06-03 | Parametric amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB877807A true GB877807A (en) | 1961-09-20 |
Family
ID=10134809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1976360A Expired GB877807A (en) | 1960-06-03 | 1960-06-03 | Parametric amplifier |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB877807A (en) |
-
1960
- 1960-06-03 GB GB1976360A patent/GB877807A/en not_active Expired
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