The CHR3764-QEG from United Monolithic Semiconductors is a RF Mixer with RF Frequency 21.00-27.00 GHz, LO Frequency 8.50-15.00 GHz, IF Frequency DC-3.5 GHz, Conversion Loss 14 dB, LO Drive - Power 0 dBm. Tags: Surface Mount, Down-Conversion Mixer. More details for CHR3764-QEG can be seen below.