Ft 2000 Roofing Filter Mod

This mod applies to both the ft 1000 and the ft 1000d.

Ft 2000 roofing filter mod. The ft 2000 is a wonderful rig with a lot of potential for fine tuning mods. The inrad ft 1000 roofing filter mod consists of a 6 pole 4 5 khz wide filter followed by a high dynamic range feedback amplifier. Ft2000 ft2000d roofing filter mod warning the purpose of this document is nota user guide how to change in any way the factory design or layout. Describe your experience with the ns 3 khz roofing filters for ft 2000 ft 950 and tell us why you give it the rating you did required.

Ft 2000 inrad roofing filter modification. The amplifier provides enough gain to override the filter insertion loss plus a db or two. And the first steps to making the best mod choices is getting to understand the rigs baseline performance. Ft 2000 dmu pan adapter pre amplifier.

Also be aware the smd technology is. The mp roofing filter mod consists of a 6 pole 4 khz wide filter followed by a high dynamic range feedback amplifier. The amplifier provides enough gain to overcome the filter insertion loss plus a db or two. Installing the inrad roofing filter.

Keep in mind changing any hardware inside of any yaesu product will void your warranty. And what can be done about the hiss levels with the cw narrow filter engaged. The spectrum display at the left is taken from the 2nd if and shows what the filter shape of the original rig s filter looks like. A quick demonstration of a modified ft 2000 with 3khz ac0c roofing filter.

Yaesu ft 2000 ct 119 cable self made. Other useful information would include your experience with similar products infomation on a product that you would purchase instead of this one and so on. This mod works in all versions of the yaesu ft 1000mp line of radios. When fitted with the ns roofing filter the front end is far more selective with a 6db bandwidth of about 2 4 khz wide.

Adj error for yaesu ft 2000 and ft 2000d. Big difference on attenuation of intermodulation distortion imd. Ft 2000 microphone amplifier gain modification. The yaesu 3 khz filter measures about 7 khz wide at 6db.