Our buffer interface named IFace can be used to add an SDR panadapter to the glorious ICOM IC-781.
In addition to the instructions below, we also have a great testimonial. It was sent to us by IZ4QAT Nicola, and a warm thanks goes to him. You can find it here: IC-781 SDR by IZ4AQT Nicola.
The operations to be performed are very simple, it is sufficient to obtain from its wiring diagram the information on the points where to take the IF signals.
This radio, in fact, uses different mixers. In particular, we will have to use the first of the RX chain. The following images show the block diagram of the radio. For the IC-781 the first IF is shown in the small table in the following image.
We now proceed to identify the exact points on the printed circuit board where to take the IF signal to be sent to the IFace. The following images show the sampling point for the IF signal and for the power supply for the buffer interface.
In order to purchase an IFace use the button below.
ATTENTION: Though installing the IFace is not difficult, you do this at your own risk. TSP S.r.l. is not responsible for any damage, unwanted side-effects or whatever.
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