This document is a user manual for a broadband up/downconverting mixer named ADRF6655. This mixer integrates a fractional-N PLL and VCO, and its frequency range is 100 MHz to 2500 MHz.
The ADRF6655 is a high‑dynamic‑range active mixer that includes an integrated fractional‑N PLL and VCO. It supports RF input frequencies from 100 MHz to 2.5 GHz and offers flexible IF output options with a typical voltage conversion gain of 6 dB.
The device is supplied in a 40‑lead 6 mm × 6 mm LFCSP package and operates from –40 °C to +85 °C. It provides a serial SPI interface for PLL programming and a range of configurable parameters such as LO division, charge‑pump current, and bias settings.
| RF input frequency range | 100 MHz – 2500 MHz |
|---|---|
| Output P1dB | 11 dBm |
| Voltage conversion gain | 6 dB |
| IF output impedance | 200 Ω differential |
| Typical PLL‑only supply current | 115 mA |
It accepts RF inputs from 100 MHz up to 2.5 GHz.
The mixer provides a typical voltage conversion gain of 6 dB.
The PLL is programmed via a SPI serial interface.