Amplifier Offers 50 dB Of Gain Control

Operating from a single 4.75 to 5.25V power supply, the RF3321 reverse-path, programmable-gain amplifier features an output power level of 69 dBmV into a 75 ohm load, has a maximum voltage gain of 29 dB, and a minimal voltage gain of -20 dB. The devices are able to provide a gain control range spanning 50 dB. The device is serially programmable in 1-dB steps and has a frequency range of 5 MHz to 150 MHz. Other features include DOCSIS compliance on switching transients, differential input and output, and a low-current shutdown mode. Offered in a QSOP-16 package, the device is priced at $3.55 each/10,000.