Low power linear transmit/receive (T/R) module
US7831214B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 24, 2006 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Sep 11, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/4017
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A T/R module utilizes a low noise amplifier in both the transmit and receive modes. In this manner the low noise amplifier enables one to provide a T/R module which has reduced prime power and lower weight and particularly useful in airship radar systems and spaced based radar systems. The low noise amplifier is switched between a receive and a transmit mode by switching mechanism which in the receive mode enables the antenna to be directed to the input of the low noise amplifier with the output of the low noise amplifier directed to a phase shifter and attenuator. The switching operates in a transmit mode where the output of the low noise amplifier is connected to the input of the antenna while the input of the low noise amplifier is now connected to the phase shifter and attenuator for providing a transmit signal. The invention has an additional benefit of enabling linear Class A operation in the transmit mode in both radar and communication systems supporting beam shaping and waveform shaping capabilities. A 100% transmit duty cycle for communications is also supported.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.