SA1638 Datasheet - Philips

SA1638 Low voltage IF I/Q transceiver

The SA1638 is a combined Rx and Tx IF I/Q circuit. The receive path contains an IF amplifier, a pair of quadrature down-mixers, and a pair of baseband filters and amplifiers. A second pair of mixers in the transmit path transposes a quadrature baseband input up to the IF frequency. An external VCO s.

SA1638 Features

* Fully compatible with SA1620 GSM RF front-end (see Figure 9) APPLICATIONS

* Direct supply: 3.3V to 7.5V

* Two DC regulators giving 3.0V output

* Low current consumption: 18mA for Rx or 22mA for Tx

* Input/output IF frequency from 70-400 MHz

* Inter

SA1638 Datasheet (271.62 KB)