ELECHOMEBREW

Electronic Kit for Amateur Radio Operator & Home Brewer from Korea(HL5FTC & DS5TUK)

4066CWTRX  EHB-1  EHB-2  SDR4

SDR4(Software Defined Radio Version4)

Circuit  /  PCB  /  PartList  /  AssemblyGuide  /  Inside of EHB-1  /  User&Pics

Include of 7MHz LO oscillator(28.200MHz) - PCB is 2 layered with size of 79x45mm - Easy to assemble and adjust without RF test & measurement equipment. - RX frequency is ranging 7.002~7.098MHz on 96KHz ADC soundcard.   Also, receive under 70MHz when external LO signal input. Frequency range depends on 4X external LO signal input.  - Option : 3Band(3.5/7/14MHz) CW QRP TX. -Price : SDR4 Kit USD40.0 without case, USD65.0 with case.             3Band CW TX Kit USD 50.0             S&H Fee USD25.0 - If you want purchase, using Paypal account : ds5tuk@amsat.org and send me a e-mail.

  * Circuit Diagram - SDR4 Board

  English/TX & RX/SDR4 & 3Band CW TX/Circuit Diagram/SDR4/20100601 SDR 4_sch.pdf

  * Circuit Diagram - 3Band CW TX Board

  * Printed Circuit Board(Unit : m/m)

  * PartList Rev1.0

  * Assembly & adjustment Guide

1.

2.

3.

4.

5.

6.

7.

8.