Icom Ci V Usb Interface Schematic Top Jun 2026

However, building from a top-quality schematic gives you complete control over isolation quality, component choice, and cost (under $15).

Without isolation, ground loops and RF interference from your transmitter can: icom ci v usb interface schematic top

: Install any necessary drivers on your computer. FTDI provides drivers that allow the USB interface to appear as a virtual COM port. However, building from a top-quality schematic gives you

[USB Port] → [USB-to-UART bridge] → [Opto-isolation stage (TX direction)] → [Buffer/Driver] → [CI-V connector (3.5mm TRS)] ↑ [CI-V connector] → [Signal conditioning] → [Opto-isolation stage (RX direction)] → [UART RX] While Icom sells the CT-17 level converter, you

Have questions about a specific component or layout? Join the r/amateurradio subreddit or the Icom CI-V discussion group on Groups.io – many experienced builders share their top-side PCB views and modifications.

The Icom Communications Interface V ( ) is a proprietary serial communication bus used to remotely control Icom amateur radio equipment. While Icom sells the CT-17 level converter, you can easily build a high-performance USB CI-V interface using inexpensive USB-to-TTL modules. CI-V Technical Overview