Fm Unit - Icom Ui7 Am

In short, the UI-7 effectively upgraded an IC-725 or IC-728 into a true all-mode transceiver. (Note: This board was not needed for the later IC-729 model, which already had these capabilities integrated).

The Icom UI-7 AM/FM Unit is a testament to the modular longevity of Icom’s classic lineup. If you own an IC-725 or IC-726 and want to experience the full breadth of what the HF bands have to offer—from the nostalgia of AM nets to the clarity of 10-meter FM—the UI-7 is the single best upgrade you can make. icom ui7 am fm unit

Installing the UI-7 was a moderate DIY project for a skilled ham. The official manual outlines the steps: In short, the UI-7 effectively upgraded an IC-725

It uses simple multi-pin connectors. No soldering is usually required, making it a safe DIY project for most hams. If you own an IC-725 or IC-726 and

When slotted into a compatible transceiver like the Icom IC-725 , the UI-7 modifies the radio's RF generation behavior: Performance with UI-7 10 to 100 Watts (continuously adjustable) AM Output Power 10 to 40 Watts carrier maximum FM Modulation Variable reactance frequency modulation AM Modulation Low power modulation FM Receiver System Triple-conversion superheterodyne (via 455 kHz 3rd IF) FM Squelch Sensitivity Less than 0.3 µV (with preamplifier ON)

The service manual will show how to enter to verify tuner PLL lock and audio path.

However, here’s what is known about the designation in Icom’s product line, along with how you can likely find the technical documentation you need.