
Maxim Integrated
General Description
The MAX19997A dual downconversion mixer is a versatile, highly integrated diversity downconverter that provides high linearity and low noise figure for a multitude of 1800MHz to 2900MHz base-station applications.
FEATUREs
♦ 1800MHz to 2900MHz RF Frequency Range
♦ 1950MHz to 3400MHz LO Frequency Range
♦ 50MHz to 500MHz IF Frequency Range
♦ Supports Both Low-Side and High-Side LO
Injection
♦ 8.7dB Conversion Gain
♦ +24dBm Input IP3
♦ 10.3dB Noise Figure
♦ +11.3dBm Input 1dB Compression Point
♦ 70dBc Typical 2 x 2 Spurious Rejection at
PRF = -10dBm
♦ Dual Channels Ideal for Diversity Receiver
Applications
♦ Integrated LO Buffer
♦ Integrated LO and RF Baluns for Single-Ended
Inputs
♦ Low -3dBm to +3dBm LO Drive
♦ Pin Compatible with the MAX19999 3000MHz to
4000MHz Mixer
♦ Pin Similar to the MAX9995/MAX9995A and
MAX19995/MAX19995A 1700MHz to 2200MHz
Mixers and the MAX9985/MAX9985A and
MAX19985/MAX19985A 700MHz to 1000MHz
Mixers
♦ 42dB Channel-to-Channel Isolation
♦ Single +5.0V or +3.3V Supply
♦ External Current-Setting Resistors Provide Option
for Operating Device in Reduced-Power/ReducedPerformance Mode
APPLICATIONs
2.3GHz WCS Base Stations
2.5GHz WiMAX and LTE Base Stations
2.7GHz MMDS Base Stations
UMTS/WCDMA and cdma2000® 3G Base Stations
PCS1900 and EDGE Base Stations
PHS/PAS Base Stations
Fixed Broadband Wireless Access
Wireless Local Loop
Private Mobile Radios
Military Systems