User Guide for PEOFKO v15 10 amp v15 11 Firmware SoftRock v9 0 RX USB to 12C Interface and SDR Kits USB Synth Bob G8VOI September 2009 Contents Issue 1 1 Section Description Page 1 Introduction 2 2 Glossary of Abbreviations Used 4 3 Frequently Asked Questions 5 4 Using Winrad to access the firmware configuration screens 8 5 Firmware Default Settings 12 6 General Tab 13 7 USB Tab 14 8 Si570 Tab 15 9 LO Tab Default state for SoftRock v9 0 RX 17 10 LO Tab Settin
SoftRock RXTX Ensemble USB Interface 3 3V To Quad Clock 2T bifilar of 30 2x4 in BN 43 24 2 core To U4 LTV 817 cs2 8 1454 c51 1454 Qi 2N3986 Paddles 1 Reference Purpose and Function The USB interface provides a way for the PC running SDR Software Defined Radio software to control the local oscillator and PTT functions The transceiver is controlled by an Attiny85 microcontroller programmed as a USB device to provide PTT contro