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 Amateur Radio RF Measurements: Antenna Analyzer
AAZ-0914A and AAZ0616 are now revised to AAZ-0217A:
 3-60MHZ Antenna Analyzer: AAZ-0217A: USB and BT


A Project by:

Tony / I2TZKFrank / K7SFN , Dinesh / VU2FD


AAZ-0217A: 3 to 60MHZ Antenna Analyzer

AAZ-0217A is a simple single board USB Antenna Analyzer using Si5351 signal source generator chip and a return loss bridge, for measurement by a Log Amplifier AD8307

This Revision (From AAZ-0616):

1. Uses Si5351 as a signal Generator. We have Lower freq limit to 3MHZ as harmonics below 3MHZ may be strong and not suitable for analyses

2. Dual, auto power select option: PC use or Portable use

3. Si5351 chip is pre-soldered on a plug in module which is supplied fully assembled and tested for kits.

4. Technically restricted to upper limit of 60MHZ but FW/SW is capable of generating 160MHZ. Similarly, lower than 3MHZ available but with poor results. 

5. Expansion socket (FRC16) is for future use of a Bluetooth add-on module or a WiFi Module, with necessary changes in FW (Future updates). Supports RX/TX and I2C + External Power input.

A PC program for WIN7/XP is available for AAZ-0217A. Latest dotnet update is essential for your WIN OS. 

Firmware and Software for AAZ-0217A is developed by  Tony/I2TZK.

A free metal case is supplied with kits/assembled.

USB Antenna Analyzer AAZ-0217A:

Click to enlarge

  Si5351 Module:( Details )

Click to enlarge


 AAZ-0217A:  Tech Information Documents


AAZ-0217A Tech info document 0-500MHZ RF Sensor Document
AAZ-0217A Schematic   
Schematic B: PIC18F2550 JPG
Schematic A: Gen+RLBridge  JPG
AAZ-0217A Kit Parts List 0-500MHZ RF Sensor Document

AAZ Troubleshooting Guide by Frank/K7SFN 0-500MHZ RF Sensor Document
Kit Building Guide by Frank/K7SFN 0-500MHZ RF Sensor Document
AAZ Testing Guide by Tony/I2TZK 0-500MHZ RF Sensor Document
 AAZ-0217A Firmware, Software and  Update Document
PIC18F2550 V1.00 FW


 Previous/Last Version FW, SW Etc
Antenna Analyzers



1:1 RF Transformer AD9850
AMS1117 AMS1117
AO4405/AO4407 AO4405
PIC18F2550 PIC18F2550
BFG541 0-500MHZ RF Sensor Document
2N7000 2N7000
Si5351 AD9850
PCA9306 AD9850

  Visit I2TZK Website for Firmware and Software

Visit I2TZK Web Site

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For online payments, shipping charges will be added on secure web page, from $5.00 upwards for Registered Air Mail. (based on total value of the KIT/Assembled)

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Buy From 2CO     

 USD In stock 
AAZ-0217A Complete Kit with Free Case  50.00 Getting late but coming Soon!

Clubs/Groups may contact for quantity purchase.

Si5351 Module Assembled and Tested
All SMT Parts Pre-Soldered

AAZ-0217A complete kit parts list


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