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MAX19996A：SiGe, High-Linearity, 2000MHz to 3900MHz Downconversion Mixer with LO Buffer

Lowest Noise, Highest Linearity 2000MHz to 3900MHz SiGe Mixer for WCS, LTE, WiMAX, and MMDS Base Stations, Featuring Superior IP3, NF, and 2 x 2 Performance

The MAX19996A single, high-linearity downconversion mixer provides 8.7dB conversion gain, +24.5dBm IIP3, and 9.8dB noise figure for 2000MHz to 3900MHz WCS, LTE, WiMAX™, and MMDS wireless infrastructure applications. With an ultra-wide LO frequency range of 2100MHz to 4000MHz, the MAX19996A can be used in either low-side or high-side LO injection architectures for virtually all 2.5GHz and 3.5GHz applications. For a 2.5GHz variant tuned specifically for low-side injection, refer to the MAX19996 data sheet. In addition to offering excellent linearity and noise performance, the MAX19996A also yields a high level of component integration. This device includes a double-balanced passive mixer core, an IF amplifier, and an LO buffer. On-chip baluns are also integrated to allow for single-ended RF and LO inputs. The MAX19996A requires a nominal LO drive of 0dBm, and supply current is typically 230mA at VCC = 5.0V, or 150mA at VCC = 3.3V. The MAX19996A is pin compatible with the MAX19996 2000MHz to 3000MHz mixer. The device is also pin similar with the MAX9984/MAX9986/MAX9986A 400MHz to 1000MHz mixers and the MAX9993/MAX9994/MAX9996 1700MHz to 2200MHz mixers, making this entire family of downconverters ideal for applications where a common PCB layout is used for multiple frequency bands. The MAX19996A is available in a compact 5mm x 5mm, 20-pin thin QFN with an exposed pad. Electrical performance is guaranteed over the extended -40°C to +85°C temperature range.

Key Features 2000MHz to 3900MHz RF Frequency Range 2100MHz to 4000MHz LO Frequency Range 50MHz to 500MHz IF Frequency Range 8.7dB Conversion Gain 9.8dB Noise Figure +24.5dBm Typical Input IP3 11dBm Typical Input 1dB Compression Point 67dBc Typical 2LO-2RF Spurious Rejection at PRF = -10dBm Integrated LO Buffer Integrated RF and LO Baluns for Single-Ended Inputs Low -3dBm to +3dBm LO Drive Pin Compatible with the MAX19996 2000MHz to 3000MHz Mixer Pin Similar with the MAX9993/MAX9994/MAX9996 Series of 1700MHz to 2200MHz Mixers and the MAX9984/MAX9986/MAX9986A Series of 400MHz to 1000MHz Mixers Single 5.0V or 3.3V Supply External Current-Setting Resistors Provide Option for Operating Device in Reduced-Power/Reduced-Performance Mode

MAX19996A: Typical Application Circuit Applications/Uses 2.3GHz WCS Base Stations 2.5GHz WiMAX and LTE Base Stations 2.7GHz MMDS Base Stations 3.5GHz WiMAX and LTE Base Stations Fixed Broadband Wireless Access Military Systems Private Mobile Radios Wireless Local Loop

DataSheet

Parametrics

Quality and Environmental Data

• MAX19996A.pdf

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