Differential amplifier operates from 5MHz to 300MHz
Richardson RFPD has availability of a new 75Ω reverse path variable gain amplifier from M/A-COM Technology Solutions. The MAAM-011186 is an integrated two-stage differential amplifier operating from 5 to 300 MHz, with an embedded digital step attenuator (DSA) for CATV reverse path applications. It delivers 36 dB modulation Error ratio (MER) performance for 64 QAM modulation and is loaded with 39 channels at 52 dBmV per channel.
It is optimised for high output power and low current from 8V bias but can also be operated from 5V bias with flexibility to adjust DC current with external components.
The new VGA is offered in a lead-free 7 mm 48-lead PQFN package, making it an ideal solution for high density cards and compact system amplifiers.
According to MACOM, additional key features of the device include: 31.5 dB, 0.5 dB steps, 6-bit DSA, 3 dB noise figure, serial or parallel attenuator control, differential input and output, low harmonics and power down mode.
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