Highest Linearity, Lowest Noise, Direct-Conversion Transmitter for GSM/EDGE Base Stations

Key Features

• Complete Conformance to GSM/EDGE Specifications
  • Meets All Spectral-Mask and Noise-Floor Requirements
  • < -156dBc/Hz Noise at 6MHz Offset
  • LO Leakage < -40dBc Over Temp and Frequency (After Nulling)
  • +15dBm/+12dBm Output Power (GSM/EDGE)
• Highly Efficient, Low-Cost Solution
  • Four-Chip Solution*
  • No Ancillary RF Filters Required
• Up to 62dB of Lineup Gain Control
  • 12dB Static Control
  • 30dB Dynamic Control
  • > 10dB Lineup Compensation
• Built-In Loopback Test Mixer (MAX2058/MAX2059)
  • Ideal for Performing Simultaneous Diagnostics of Tx and Rx Chains in Real Time
  • MAX9491 Preprogrammed with 45MHz, 80MHz, or 95MHz LO Settings
• Pin-Compatible Lowband and Highband Versions

Samples and EV Kits

Component Detail

• MAX5873 Dual DAC
• MAX4395 Quad Baseband Amplifier
• MAX2021 700MHz to 1200MHz Zero-IF I/Q Modulator/Demodulator
• MAX2022 1500MHz to 3000MHz Zero-IF I/Q Modulator/Demodulator
• MAX2023 1500MHz to 2200MHz Zero-IF I/Q Modulator/Demodulator
• MAX2058 700MHz to 1200MHz RF Digital VGA
• MAX2059 1800MHz to 2200MHz RF Digital VGA
• MAX9491 Factory-Programmable, Single PLL Clock Generator

Additional Links

• App Note 3559: High-Performance RF Modulator Enables Multi-Carrier Communications Transmitters
• WCDMA/cdma2000 Direct Conversion Transmitter Reference Design
• Wireless Infrastructure Solutions Page