Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
Fully Integrated Downconverter Delivers 6.1dB of Gain, 25.6dBm of IIP3, 9.8dB of NF, and 66dBc of 2LO-2RF Rejection While Replacing 2 Mixers, 4 Amps, 3 Baluns, an LO Switch and Splitter, Plus Dozens of Discretes!
The MAX9995 dual, high-linearity, downconversion mixer provides 6.1dB gain, +25.6dBm IIP3, and 9.8dB NF for UMTS/WCDMA, DCS, and PCS base-station applications. The MAX9995 is ideal for low-side LO injection. (For a mixer variant optimized for high-side LO injection, contact the factory.)
This device integrates baluns in the RF and LO ports, a dual-input LO selectable switch, an LO buffer, two double-balanced mixers, and a pair of differential IF output amplifiers. The MAX9995 requires a typical LO drive of 0dBm, and supply current is guaranteed to be below 380mA.
These devices are available in a compact, 6mm x 6mm, 36-pin TQFN package with an exposed paddle. Electrical performance is guaranteed over the extended temperature range, from TC = -40°C to +85°C.
Key Features
1700MHz to 2200MHz RF Frequency Range
1400MHz to 2000MHz LO Frequency Range (MAX9995)
1900MHz to 2400MHz LO Frequency Range (Contact Factory)
40MHz to 350MHz IF Frequency Range
6.1dB Conversion Gain
+25.6dBm Input IP3
9.8dB Noise Figure
66dBc 2RF-2LO Spurious Rejection at PRF = -10dBm
Dual Channels Are Ideal for Diversity Receiver Applications
Integrated LO Buffer
Integrated RF and LO Baluns for Single-Ended Inputs
Low -3dBm to +3dBm LO Drive
Built-In SPDT LO Switch with 50dB LO1-LO2 Isolation and 50ns Switching Time
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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