Wideband RF mixers from Analog Devices simplify industrial design
Analog Devices (ADI) has introduced a series of wideband, passive, in-phase quadrature RF mixers. Supporting the 2.5 to 42GHz spectrum, the HMC819x mixers offer benefits compared to alternative discrete options that are available today, says Analog Devices. They can be used for industrial applications such as test and measurement and defense electronics that require wideband support.
Over 10 discrete components would be required to cover this same frequency range, company believes, compared to what can be achieved with ADI’s three new devices without any compromise in performance, it is claimed. ADI’s HMC819x mixers are believed to be the industry’s only wideband solutions available in a standard SMT package, allowing them to be integrated efficiently in order to decrease overall design time and risk, while speeding time to market.
The HMC819x series’ RF and LO bandwidth of 2.5 to 42GHz, along with wide IF bandwidth, enable military or test and measurement applications to simplify design implementation while maintaining RF performance. The series achieves isolation on the order of 35dB or greater for both LO to RF and LO to IF isolation and greater than 20dB of RF to IF isolation. The HMC819x mixers’ inherent I/Q architecture accomplishes image/sideband rejection of 25dBc or greater, without the use of expensive external filtering, says ADI, for an overall reduction in bill of materials cost. Input IP3 greater than 20dBm is realised over the wide bandwidth while maintaining low conversion loss and high dynamic range. Well-matched LO driver amplifiers have been listed to drive the LO port of each mixer with low input power.
ADI offers the HMC8191 in an SMT package, covering the frequency range of 2.5 to 8.5GHz. The HMC8193 is also immediately available in an SMT package, operating over 6.0 to 26GHz and the HMC8192 is available from September. It will be offered in an MT package and operating over the 20 to 42GHz frequency range.