M3743QW1A Narda-MITEQ Q-band satellite communication dual balanced mixer
The Narda-MITEQ M3743QW1A is a high-performance dual-balanced mixer designed for Q-band satellite communication (SATCOM) applications, operating in the 37–43 GHz RF frequency range with an IF bandwidth from DC to 18 GHz. This device supports both up-conversion and down-conversion configurations, making it suitable for advanced aerospace, defense, and telecommunications systems that require reliable microwave signal processing under demanding conditions. The double-balanced architecture ensures low noise figure, high linearity, excellent port-to-port isolation, and superior suppression of spurious responses.

Key Specifications:
RF Frequency Range: 37–43 GHz
RF Voltage Standing Wave Ratio (VSWR): ≤2.0:1 (typical)
LO Frequency Range: 24–37 GHz
LO Input Power: +17 to +20 dBm
LO VSWR: ≤2.5:1 (typical)
Conversion Loss: 8 dB (typical), maximum 10 dB
Single-Sideband Noise Figure: 11 dB (typical)
LO-RF Isolation: ≥30 dB
LO-IF Isolation: ≥35 dB
Input P1dB (1 dB Compression Point): +5 dBm
Third-Order Input Intercept Point (IIP3): +13 dBm
IF Frequency Range: DC–18 GHz
IF VSWR: ≤2.0:1 (typical)
Operating Temperature Range: –54°C to +85°C
Storage Temperature Range: –65°C to +125°C
MITEQ, established in 1969, is a leading global manufacturer in the radio frequency (RF) and microwave technology sector. Renowned for its exceptional performance and reliability, MITEQ's products have been widely deployed in critical applications across aerospace, defense, and test and measurement industries worldwide. In 2015, MITEQ became part of Narda Microwave Corporation, a U.S.-based company, which enabled further advancements in its core technologies. The company currently offers a comprehensive product portfolio, including directional couplers, power dividers/combiners, mixers, frequency doublers, 3 dB hybrid couplers, phase shifters, oscillators, frequency synthesizers, programmable attenuators, cryogenic amplifiers, and logarithmic detector amplifiers.
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