MAX9984
SiGe High-Linearity, 400MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch
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Overview
Features and Benefits
Product Details
The MAX9984 high-linearity downconversion mixer provides 8.1dB gain, +25dBm IIP3, and 9.3dB NF for 400MHz to 1000MHz base-station receiver applications†. With an optimized 570MHz to 850MHz LO frequency range, this particular mixer is ideal for low-side LO injection receiver architectures in the cellular band. High-side LO injection is supported by the MAX9986, which is pin-for-pin and functionally compatible with the MAX9984.
In addition to offering excellent linearity and noise performance, the MAX9984 also yields a high level of component integration. This device includes a double-balanced passive mixer core, an IF amplifier, a dual-input LO selectable switch, and an LO buffer. On-chip baluns are also integrated to allow for single-ended RF and LO inputs. The MAX9984 requires a nominal LO drive of 0dBm, and supply current is guaranteed to be below 265mA.
The MAX9984/MAX9986 are pin compatible with the MAX9994/MAX9996 1700MHz to 2200MHz mixers, making this entire family of downconverters ideal for applications where a common PC board layout is used for both frequency bands. The MAX9984 is also functionally compatible with the MAX9993.
The MAX9984 is available in a compact, 20-pin, thin QFN package (5mm x 5mm) with an exposed paddle. Electrical performance is guaranteed over the extended -40°C to +85°C temperature range.
Applications
- 400MHz to 700MHz OFDM/WiMAX CPE and Base-Station Equipment
- 850MHz WCDMA Base Stations
- Digital and Spread-Spectrum Communication Systems
- Fixed Broadband Wireless Access
- GSM 850/GSM 900 2G and 2.5G EDGE Base Stations
- iDEN® Base Stations
- Microwave Links
- Military Systems
- Predistortion Receivers
- Private Mobile Radios (PMRs)
- Wireless Local Loop (WLL)
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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