Analog Devices Inc. LTC5555 Demo Board DC2524A is optimized for evaluation of the LTC5555 Programmable Gain Downconverting Mixer. This circuit incorporates an active mixer and a digital IF VGA with a 15.5dB gain control range. The DC2524A circuit’s RF input port is 50Ω matched from 2.6GHz to 6.4GHz and can be easily tuned down to 1.5GHz or up to 7GHz. This demo circuit's differential IF outputs have 100Ω differential impedance and match for 115MHz to 495MHz IF frequencies. The DC2524A circuit operates at the -40°C to +105°C temperature range.