Nordic's RF2642 is a silicon-based 3 V 900 MHz upconverter/power amp driver with bypass mode designed for CDMA applications. Its driver amplifier features high and low gain states. In the low gain state, the gain is adjustable, and the device draws less current. An onboard power-down mode turns off the driver amplifier; the upconverter is always on.
Other features include balanced IF outputs, single-ended LO input and RF output for ease of interface. Operating from a single 3 V power supply in its high gain mode, the driver delivers a gain of 34,5 dB with a noise figure of 12 dB and an ACPR1 of 61 dBc.
Typical applications include cdma2000 1X, CDMA/AMPS and TDMA/AMPS cellular systems, portable battery-powered equipment and use as a general-purpose upconverter/driver. Manufactured using an advanced silicon-based process technology (Si Bi-CMOS), it is offered in a small leadless MLF16 package to conserve board space. Fully assembled evaluation boards are also available.
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