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Solid State Programmable Attenuators

Weinschel brand solid state programmable attenuators are suited for both benchtop and systems integration. They are available in frequencies ranging from 300 kHz to 40 GHz. 

Model          Fmin (MHz) Fmax (MHz) Range (dB) Step (dB) Max I.L. (dB) Pmax (dBm) Interface      Logic Level     
4205A-127 0.3 6000 127.75 0.25 12.8 23 USB/Parallel/I²C/SPI/UART TTL & CMOS
4205A-95.5 0.3 6000 95.75 0.25 9.0 23 USB/Parallel/I²C/SPI/UART TTL & CMOS
4205B-95.5 0.3 8000 95.75 0.25 11 28 USB/Parallel/I²C/SPI/UART TTL & CMOS
4205A-63.5 0.3 6000 63.75 0.25 6.5 23 USB/Parallel/I²C/SPI/UART TTL & CMOS
4205A-31.5 0.3 6000 31.75 0.25 4.2 23 USB/Parallel/I²C/SPI/UART TTL & CMOS
4209-40-31.5-X 100 40000 31.5 0.5 6.0 28 USB/Parallel/I²C/SPI/UART TTL & CMOS
4209-30-31.5-1 100 30000 31.5 0.5 4.8 28 USB/Parallel/I²C/SPI/UART TTL & CMOS
4209-18-31.5 100 18000 31.5 0.5 3.4 28 USB/Parallel/I²C/SPI/UART TTL & CMOS
4209-40-63-X 100 40000 63 0.5 11.8 28 USB/Parallel/I²C/SPI/UART TTL & CMOS
4209-30-63-1 100 30000 63 0.5 8.0 28 USB/Parallel/I²C/SPI/UART TTL & CMOS
4209-18-63 100 18000 63 0.5 6.0 28 USB/Parallel/I²C/SPI/UART TTL & CMOS
4226-63 800 3000 63 1 3.7 24 Parallel TTL
4228-103 800 3000 103 1 5.5 24 Parallel TTL
4228-63.75 800 2500 63.75 0.25 4.5 24 Parallel TTL
4238-103 10 2500 103 1 9.25 30 Parallel TTL
4238-63.75 10 2500 63.75 0.25 9.25 30 Parallel TTL
4246-63 10 2500 63 1 10 36 Parallel TTL
4248-103 10 2500 103 1 13 36 Parallel TTL
4248-63.75 10 2500 63.75 0.25 13 36 Parallel TTL
4204-95.5 (75 Ω) 35 3000 95.5 0.5 4.5 28 USB/Parallel/I²C/SPI/UART TTL & CMOS