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MAX2059：1700MHz to 2200MHz, High-Linearity, SPI-Controlled DVGA with Integrated Loopback Mixer

High-Performance RF DVGA with 56dB of SPI™-Controlled Dynamic Range and Complete Conformance with GSM/EDGE Spectral Mask Requirements

The MAX2059 high-linearity digital-variable-gain amplifier (DVGA) is designed to provide 56dB of total gain range and typical output IP3 and output P1dB levels of +31.8dBm and +18.4dBm, respectively. The device is ideal for a variety of applications, including single and multicarrier 1700MHz to 2200MHz DCS 1800/PCS 1900 EDGE, cdma2000®, WCDMA/UMTS, and TD-SCDMA base stations. The MAX2059 yields a high level of component integration, which includes two 5-bit digital attenuators, a two-stage driver amplifier, a loopback mixer, and a serial interface to control the attenuators. The MAX2059 is pin compatible with the MAX2058 700MHz to 1200MHz DVGA, facilitating an easy design-in for applications where a common PC board layout is used for both frequency bands. The MAX2059 is available in a 40-pin thin QFN package with an exposed paddle. Electrical performance is guaranteed over a -40°C to +85°C temperature range.

Key Features +31.8dBm Typical Output IP3 +18.4dBm Typical Output 1dB Compression Point 1700MHz to 2200MHz RF Frequency Range 700MHz to 1200MHz RF Frequency Range (MAX2058) 10.9dB Typical Small-Signal Gain Includes Two Independent 5-Bit Digital Attenuator Stages, Yielding 56dB of Total Gain-Control Range with 1dB Steps 3-Wire SPI™/MICROWIRE™ Compatible Integrated Loopback Mixer for Tx/Rx Self-Diagnostics +5V Single-Supply Operation External Current-Setting Resistors for Scalable Device Power Lead-Free Package Available

Applications/Uses Automatic Test Equipment Broadband Systems cdmaOne™ and cdma2000® Base-Station Transmitters and Power Amplifiers DCS 1800/PCS 1900 EDGE Base-Station Transmitters and Power Amplifiers Digital and Spread-Spectrum Communication Systems Microwave Terrestrial Links Receiver Gain Control Transmitter Gain Control WCDMA, TD-SCDMA, and Other 3G Base-Station Transmitters and Power Amplifiers

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