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US 5,511,238 AGranted
Monolithic microwave transmitter/receiver
AssigneeTexas Instruments Incorporated
InventorBurhan Bayraktaroglu
Life of this patent
Estimating the term…
Abstract
Preferred embodiments include a microstrip patch antenna (38) which also acts as the resonator for an oscillator powered by IMPATT diodes (34, 36); this forms a monolithic transmitter (30) for microwave and millimeter wave frequencies.
Claims16
A microwave transmitter comprising:
- (a) an oscillator, said oscillator including:
- (i) a power source, and
- (ii) a resonator
- (iii) said resonator simultaneously functioning as an antenna;
- wherein:
- (iv) said power source is a plurality of diodes;
- (v) said resonator is a microstrip patch;
- (vi) said diodes and patch are formed on a single semiconductor substrate;
- and
- (vii) at least two of said plurality of diodes are connected to opposite edges of said patch.
7 more elements
A microwave transmitter comprising:
- (a) an oscillator, said oscillator including:
- (b) a power source comprising a plurality of IMPATT diodes biased into breakdown,
- (c) a resonator comprising a microstrip patch, said diodes and patch being disposed on a single semiconductor substrate,
- (d) said resonator simultaneously functioning as an antenna,
- (e) further comprising:
- a second microstrip patch adjacent said resonator patch;
- and
- (f) a varactor connected to said second patch and loading said resonator patch.
5 more elements
An array microwave transmitter, comprising:
- (a) a plurality of individual transmitters on a semiconductor substrate;
- (b) each of said individual transmitters including:
- i. an oscillator, said oscillator including:
- ii. a power source and
- iii. a resonator,
- iv. said resonator simultaneously functioning as an antenna;
- wherein:
- v. said power source is a plurality of diodes;
- vi. said resonator is a microstrip patch;
- vii. said diodes and patch are formed on a single semiconductor substrate;
- and
- viii. at least two of said plurality of diodes are connected to opposite edges of said patch.
9 more elements
A transmitter/receiver, comprising:
- (a) an oscillator, said oscillator including:
- (b) a power source and
- (c) a resonator,
- (d) said resonator simultaneously functioning as an antenna;
- (e) a low frequency line connected to said resonator to mix signals received by said antenna by said power source to a low frequency;
- wherein:
- (f) said power source is a plurality of;
- (g) said resonator is a microstrip patch;
- (h) said diodes and patch are formed on a single semiconductor substrate;
- and
- (i) at least two of said plurality of diodes are connected to opposite edges of said patch.
8 more elements
A transmitter/receiver, comprising:
- (a) an oscillator, said oscillator including:
- (b) a power source comprising a plurality of IMPATT diodes biased into breakdown, and
- (c) a resonator comprising a microstrip patch, said diodes and patch being disposed on a single semiconductor substrate,
- (d) said resonator simultaneously functioning as an antenna,
- (e) a low frequency line connected to said resonator to mix signals received by said antenna by said power source to a low frequency,
- (f) further comprising:
- a second microstrip patch adjacent said resonator patch;
- and
- (g) a varactor connected to said second patch and loading said resonator patch.
6 more elements
Dependencies are inferred from the claim text.