The HMC258 is a sub-harmonically pumped (x2) single ended MMIC mixer from Hittite Corporation. It uses GaAs MESFET technology and has a small area. It can be used as an upconverter or downconverter.
The HMC258 is a compact GaAs MMIC sub-harmonically pumped (x2) single-ended mixer featuring an integrated LO amplifier. It operates as an upconverter or downconverter in the 14 to 21 GHz range, utilizing GaAs MESFET technology to achieve a small chip area of 0.9mm². The device offers excellent 2LO to RF and IF isolation, eliminating the need for additional filtering, and requires only 0 dBm LO drive from a single +5V bias supply.
| Noise Figure (SSB) | 9.5 to 12 dB |
|---|---|
| Supply Current (Idd) | 50 mA |
| Operating Temperature | -55 to +85 °C |
The integrated LO amplifier requires 0 dBm drive.
The chip has a small overall area of 0.9mm².