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MAX2047：High-Gain Vector Multipliers

Highly Integrated, Constant Group-Delay Vector Multipliers Reduce cost, Improve ACLR

The MAX2045/MAX2046/MAX2047 low-cost, fully integrated vector multipliers alter the magnitude and phase of an RF signal. Each device is optimized for the UMTS (MAX2045), DCS/PCS (MAX2046), or cellular/GSM (MAX2047) frequency bands. These devices feature differential RF inputs and outputs. The MAX2045/MAX2046/MAX2047 provide vector adjustment through the differential I/Q amplifiers. The I/Q amplifiers can interface with voltage and/or current digital-to-analog converters (DACs). The voltage inputs are designed to interface to a voltage-mode DAC, while the current inputs are designed to interface to a current-mode DAC. An internal 2.5V reference voltage is provided for applications using single-ended voltage DACs. The parts are ideal for CDMA, multicarrier CDMA, cdma2000®, and WB-CDMA applications. The MAX2045/MAX2046/MAX2047 operate from a 4.75V to 5.25V single supply. All devices are offered in a compact 5mm x 5mm, 32-lead thin QFN exposed-paddle package. The MAX2045/MAX2046/MAX2047 evaluation kits help speed designs. Contact factory for availability.

Key Features Multiple RF Frequency Bands of Operation 2040MHz to 2240MHz (MAX2045) 1740MHz to 2060MHz (MAX2046) 790MHz to 1005MHz (MAX2047) ±0.2dB Gain Flatness ±1° Phase Flatness 3dB Control Bandwidth: 260MHz 15dBm Input IP3 15dB Gain Control Range Continuous 360° Phase Control Range 6.5dB Maximum Gain for Continuous Phase On-Chip Reference for Single-Ended Voltage-Mode Operation 800mW Power Consumption Space-Saving 5mm x 5mm Thin QFN Package Single 5V supply

MAX2045, MAX2046, MAX2047: Pin Configuration Applications/Uses Beam-Forming Applications RF Cancellation Loops RF Magnitude and Phase Adjustment UMTS/PCS/DCS/Cellular/GSM Base Station Feed-Forward and Predistortion Power Amplifiers

DataSheet

Parametrics

Design kits & evaluation modules

• MAX2045EVKIT
• MAX2046EVKIT
• MAX2047EVKIT

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