Transceiver module
US5446464A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 8, 1993 |
| Grant date | Aug 29, 1995 |
| Priority date | — |
| Expiry date | Oct 8, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/52
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A high frequency transceiver includes a transmit/receive switch which is coupled to a transmission path and to a receive path of the module. The transmit/receive switch includes a 3 dB directional coupler having first, second and third ports, and a decoupled port which is connected to the receive path. Two HF power amplifiers are connected to the first and second ports of the transmit/receive switch to form a balanced amplifier in the transmission path. An HF switch is connected to the first and second ports of the transmit receive switch for short-circuiting the HF output of the balanced amplifier. A switching device is connected to the HF switch and to the receive path for selectively switching the transmission path and the receive path to be operational.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.