The RF3322 is a variable gain amplifier for use in CATV reverse path (upstream) applications. It is DOCSIS-compliant for use in cable modems. The gain control covers a 58dB range and is serially programmable via three-wire digital bus for compatibility with standard baseband chipsets. Amplifier shutdown and transmit disable modes are software- and hardware-controlled. The device is placed into sleep mode via the serial control bus. The device operates over the frequency band of 5MHz to 65MHz for use in current U.S. and European systems. The amplifier delivers up to 60dBmV at the output of the balun. Gain is controllable in accurate 1dB steps. The device is provided in an industry-standard QSOP-20 package.
The RF3322 is a programmable gain amplifier designed for use in CATV reverse path (upstream) applications, specifically compliant with Euro-DOCSIS and DOCSIS standards. It features a gain control range of -30dB to +28dB, controllable via a three-wire digital bus in 1dB steps, covering a frequency band from 5MHz to 65MHz.
| Operating Frequency Range | 5MHz to 65MHz |
|---|---|
| Voltage Gain Range | -30dB to +28dB |
| Gain Control Range | 58dB |
| Supply Voltage | 4.75V to 5.25V (Typical 5.0V) |
| Package Type | QSOP-20 |
| Maximum Output Level | 60 dBmV(rms) |
The device provides a gain control range covering 58dB.
Yes, it is DOCSIS-compliant for use in cable modems.
The device operates over the frequency band of 5MHz to 65MHz.