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MAX2045

Maxim Integrated Products
Part Number MAX2045
Manufacturer Maxim Integrated Products
Description High-Gain Vector Multipliers
Published Feb 9, 2010
Detailed Description 19-2728; Rev 0; 1/03 High-Gain Vector Multipliers General Description The MAX2045/MAX2046/MAX2047 low-cost, fully integ...
Datasheet PDF File MAX2045 PDF File

MAX2045
MAX2045

Overview
19-2728; Rev 0; 1/03 High-Gain Vector Multipliers General Description 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 currentmode DAC.
An internal 2.
5V reference voltage is provided for applications using single-ended voltage DACs.
The MAX2045/MAX2046/MAX2047 operate from a 4.
75V to 5.
25V single supply.
All devices are offered in a compact 5mm ✕ 5mm, 32-lead thin QFN exposed-paddle packages.
The MAX2045/MAX2046/MAX2047 evaluation kits are available, contact factory for availability.
Features o Multiple RF Frequency Bands of Operation 2040MHz to 2240MHz (MAX2045) 1740MHz to 2060MHz (MAX2046) 790MHz to 1005MHz (MAX2047) o ±0.
2dB Gain Flatness o ±1° Phase Flatness o 3dB Control Bandwidth: 260MHz o 15dBm Input IP3 o 15dB Gain Control Range o Continuous 360° Phase Control Range o 6.
5dB Maximum Gain for Continuous Phase o On-Chip Reference for Single-Ended Voltage-Mode Operation o 800mW Power Consumption o Space-Saving 5mm x 5mm Thin QFN Package o Single 5V supply MAX2045/MAX2046/MAX2047 Applications UMTS/PCS/DCS/Cellular/GSM Base Station Feed-Forward and Predistortion Power Amplifiers RF Magnitude and Phase Adjustment www.
DataSheet4U.
com Pin Configuration/Block Diagram RFIN2 RFIN1 GND GND GND GND GND 26 GND 25 32 31 30 29 28 RF Cancellation Loops Beam-Forming Applications VI1 VI2 VQ1 27 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 9 2.
5V REFERENCE OUTPUT STAGE CONTROL AMPLIFIER I 90° PHASE SHIFTER 24 23 22 GND GND ...


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