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MRFIC1854A - CDMA Upmixer / Exciter

Description

section.

2.

Meets Human Body Model (HBM) ≤50 V and Machine Model (MM) ≤40 V.

Features

  • wer bias current for CDMA at lower powers can be selected via the Bias Select pin. In the high current CDMA mode, the quiescent current is increased to maximize the linearity of the device. In the lower current bias state, the quiescent current is reduced to save current during lower power CDMA operation. The standby mode can be used to reduce current consumption during Voice Activity Factoring. In the standby mode, the LO buffer remains on to prevent VCO pulling and the bandgap reference bias c.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Order this document by MRFIC1854A/D Advance Information 1.9 GHz CDMA Upmixer/Exciter The MRFIC1854A is an integrated upmixer and exciter amplifier designed specifically for PCS CDMA digital cellular radios. The exciter amplifier incorporates a temperature compensated linear gain control and selectable bias to reduce power consumption. The design utilizes Motorola’s RF BiCMOS1 process to yield superior performance in a cost effective monolithic device. MRFIC1854A 1.9 GHz CDMA UPMIXER/EXCITER SEMICONDUCTOR TECHNICAL DATA • • • • • • Total Supply Current CDMA Mode = 55 mA Typical 65 dB Dynamic Range Gain Control Upmixer Output IP3 = 6.0 dBm Typical Exciter Output IP3 = 22 dBm Typical Supply Voltage Range = 2.7 to 3.6 V Adjacent Channel Power (ACPR) @ 1.25 MHz Offset (Pout = 3.
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