The new HMC1023LP5E from Hittite is a 6th-order, fully calibrated dual low-pass filter featuring programmable 0 or 10 dB gain and supporting arbitrary user-programmable bandwidths from 5 MHz to 72 MHz.
When calibrated, the programmed bandwidth is accurate to within ±2,5%. A built-in filter bypass option enables wider bandwidth while maintaining programmed gain and common mode control settings.
The IC features an integrated ADC driver, programmable input impedance and adjustable output common mode voltage from 0,9 V to 3 V with a 2 Vpp signal. The output common mode can be also be adjusted lower than 0,9 V common mode to effect a seamless interface while achieving maximum performance.
Programmable bias settings enable performance/power dissipation trade-offs optimised for each application. The 6th-order Butterworth transfer function delivers enhanced stopband rejection while maintaining both a flat passband and minimal group delay variation.
The HMC1023LP5E is footprint and register compatible with the previously released HMC900LP5E and supports wider signal bandwidths demanded by the new 72 MHz channel spacing standard set by the microwave radio market.
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