Yaesu's engineers have incorporated a high-Q "VRF" preselector filter for the Mark-V and Field transceivers, affording exceptional RF selectivity on the 160 - 20 meter bands, where antenna dimensions can be large, leading to high input signal voltages.

Feb 7, 2025 · I highly recommend utilizing ATT, VRF, IPO, and RF gain to minimize QRM and QRN before resorting to the DSP. In this video, I show how the VRF preselector can be utilized to help deal with QRN.

Congratulations on your purchase of the YAESU RF μTUNING KIT. This operating manual will help you discover the full capability of the RF ƒÊTUNING KIT. Please read this manual before beginning installation of the Kit. VERTEX STANDARD CO., LTD.

Another potent feature on the FTdx5000MP is the variable RF front-end filter (VRF). The VRF serves as a high-Q preselector prior to the normal bandpass filter in the receiver chain.

The FT dx 5000 Series HF/50 MHz 200 Watt Transceivers are a new Premium Class of Yaesu radios with 2 Independent Receivers plus many unique options and accessories designed to …

Nov 15, 2019 · This video shows the VRF (Variable RF) Front-end Filter in the Yaesu FTdx5000MP Limited being utilized to reduce the noise floor on 17 meters, helping make a weak signal more discernible.

Download a pdf document for Yaesu VRF-9000 Sub Band VRF Unit for FT-DX9000CONTEST (installation op

Yaesu is pleased to introduce the new FTM-200DR – 50W VHF/UHF Dual Band C4FM/ FM Mobile Transceiver. The new FTM-200DR is a C4FM Digital multi-functional transceiver with a single receiver.

Aug 14, 2020 · The VRF feature is a preselector. It doesn’t track with the VFO, like the *mu-tuning preselectors do, but the VRF preselector can be adjusted manually. The optional mu...more

Yaesu's engineers have incorporated a high-Q "VRF" preselector filter for the Mark-V and Field transceivers, affording exceptional RF selectivity on the 160 - 20 meter bands, where antenna dimensions can be large, leading to high input signal voltages.