Ft991a Roofing Filters

The triple conversion circuit structure allows highly flexible gain distribution at each stage.

Ft991a roofing filters.

Ic 7610 was more radio then i needed so i sold it and bought the ftdx3000 and a ft991a. Selectable 3 and 15khz roofing filters. If you leave the roofing filter setting on auto you ve probably seen how it will automatically switch between 6khz 3khz and 600hz. The yaesu ft991a is compact lightweight and portable weighing in at just 9 7lbs.

The ft 991a is a radio i will keep in my ownership and will be much used. It comes equipped with a variety of features that help put it ahead of other models from more established manufacturers and it s also one of the most versatile ham radios available. The icom ic 7300 on the other hand has an rf direct sampling system. I had a ic7300 and a ic 7610.

General coverage receive is. 30 khz 56 mhz 118 164 and 420 470 mhz. A state of the art 32 bit digital signal processing system internal automatic tuner high accuracy txco and 3khz roofing filter are included in the ft991a. Here is a compact lightweight package suitable for portable mobile and base installations.

This feature weakens interfering signals and delivers high quality audio. In the box with the ft 991a you ll find a mh 31a8j hand microphone dc power cord 25a spare fuse and a. All messages by. The frg 7700 had a real time clock and i was quite happy with the local oscillator stability the selectivity of the roofing filters and the birdies were somewhat of an issue but otherwise it was a really nice receiver.

The roofing filters do a fantastic job for rejecting a noise at the band. 3 5 inch full color tft. The yaesu ft 991a has a 3khz roofing filter. The ft 991a from yaesu is a high end product from a company that usually specializes in more affordable ham radios.

The yaesu ft 991a provides sophisticated operation on 160 to 6 meters plus coverage of 2 meters and 70 cm. I really like the 3000. 3khz roofing filter for enhanced performance the ft 991a now includes a 3khz roofing filter for the triple conversion receiver that effective attenuates interfering signals and enables outstanding performance while still producing high quality audio. The 60 meter band is supported.

In the process of selling the ic 7300. With this the rf signals are converted into digital data then filtered through the fpga field programmable gate array.