US 4977382
VECTOR MODULATOR PHASE SHIFTER
Assignee
PACIFIC MONOLITHICS, SUNNYVALE
Filed
Aug 23, 1988
Granted
Dec 11, 1990
Location
PALO ALTO CA US
Abstract
A monolithic microwave integrated circuit (MMIC) phase shifter is implemented in push-pull configuration with the quadrant selection and vector modulation functions combined. These functions are provided by four sets of adjustable gate-width dual-gate FETs and a pair of lumped element filter networks with a relative differential phase shift of 90°.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Apr 12, 1989
Rescinded
Apr 5, 1990
Duration
11 months
Inventor
- 1ALLEN F. PODELL
Record Details
- Patent number
- US 4977382
- Application
- 07235664
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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PACIFIC MONOLITHICS, SUNNYVALEBack to patent indexSource: USPTO 35 USC §181 secrecy order records