Ft991a Roofing Filters

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.

Ft991a roofing filters.

The 60 meter band is supported. Direct frequency entry is available. The triple conversion circuit structure allows highly flexible gain distribution at each stage. 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.

Digital filters did not exist in the 80 s also waterfall displays and the ability to easily store and recall frequencies. The roofing filters do a fantastic job for rejecting a noise at the band. I really like the 3000. Here is a compact lightweight package suitable for portable mobile and base installations.

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. 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 ft 991a from yaesu is a high end product from a company that usually specializes in more affordable ham radios.

In the process of selling the ic 7300. The 1st if frequency incorporates selectable robust 3 khz and 15 khz roofing filters that effectively attenuate interfering signals. All messages by. The ft 991a is a radio i will keep in my ownership and will be much used.

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. General coverage receive is. Ic 7610 was more radio then i needed so i sold it and bought the ftdx3000 and a ft991a. 3 5 inch full color tft.

The icom ic 7300 on the other hand has an rf direct sampling system. This feature weakens interfering signals and delivers high quality audio. With this the rf signals are converted into digital data then filtered through the fpga field programmable gate array. In the box with the ft 991a you ll find a mh 31a8j hand microphone dc power cord 25a spare fuse and a.

I had a ic7300 and a ic 7610. 30 khz 56 mhz 118 164 and 420 470 mhz.