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 Amateur Radio Frequency Measurements:

 Dual Channel Graphic LCD 500MHZ RF METER

 

PM5: Dual Channel 500MHZ RF Meter with 30MHZ Frequency Counter

Project by:

Tony / I2TZK, Frank / K7SFN , Dinesh / VU2FD

GCPUx is an expandable CPU and Graphic LCD project which has provision to "add" a "project" board to create a full function amateur radio station accessory.

Advantage of concept "GCPUx" is a possibility to add new project board to GCPUx, change processor code and create a new working unit for ham station. 

PM5 is AD8307 based RF meter to 500MHZ. This "add-on" project board fits on top of GCPUx main board to create a 2 Channel 500MHZ RF Meter. Measurement results are displayed on 128X64 Graphic LCD. A PC program will be availble too.

A battery board is included with this kit. You may use a NiMh or NiCad batteries with 7.2V output. Battery (NiMH or NiCad) not included as not allowed by postal department.

 

PM5:  

Simple single Micro Controller with built-in A/D converter (PIC18F4550)
 
Operates on DC12V,  USB or Internal battery*.
 
Includes 7.2V NiMh/NiCad Battery charger board kit which fits on roof for Standalone operation
 
Bluetooth operation for smart phones (Depend on FW)
 
2 channel 500MHZ measurements
 
Frequency Measurement on Channel 1 to 30MHZ.
 
Simple 4 Button Menu operation
 
Graphic LCD 128X64
 
Measures RF in DBm, VPP, AVG etc
 
Free Powder coated metal cases for kits or assembled.
 

 

 PM5 complete kit includes GCPUx kit, PM5 add-on board kit and metal case

GCPUx Main Board with metal case

Click to enlarge

GCPUx main board with PM5 :add-on" Board:

Click to enlarge

 PM5  Back Side Connections and switches:
 

Click the image to enlarge

 PM5 LCD Screen shots
Channel 1:

Channel 1 Frequency Measurement:

 PM5 Schematics, Tech Details & Parts List:

        

GCPUx Tech Info Doc 0-500MHZ RF Sensor Document
     
GCPUx Schematic and Parts List 0-500MHZ RF Sensor Document
GCPUx Schematic

JPG

 
GCPUx Connector Pinout

0-500MHZ RF Sensor Document

PM5 Technical Info Doc

0-500MHZ RF Sensor Document

 
PM5 Schematic and parts list

0-500MHZ RF Sensor Document

 
PM5 Schematic

JPG

PM5 Calibration Procedure by Frank/K7SFN

0-500MHZ RF Sensor Document

 
Battery Board Tech Info

0-500MHZ RF Sensor Document

 
Battery Board Kit Parts List

0-500MHZ RF Sensor Document

 
Battery Board Schematic

JPG

 GCPUx Data sheets:
74HC14 0-500MHZ RF Sensor Document
PIC18F4550 0-500MHZ RF Sensor Document
74HC165 0-500MHZ RF Sensor Document
2N3563 0-500MHZ RF Sensor Document
Graphic LCD 128X64 0-500MHZ RF Sensor Document
AD8307 0-500MHZ RF Sensor Document
LM2940 0-500MHZ RF Sensor Document
MAX712 0-500MHZ RF Sensor Document
BD678 0-500MHZ RF Sensor Document
 
 PM5 PC Software, Firmware and Documents
 
FW/SW for GCPUx/PM5 is written by Tony/I2TZK  
 
PIC18F4550 FW V1.01

 
For Future updates of FW/SW, please visit Tony/I2TZK's  website
   
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  USD BUY On-Line
PM5-0815 Complete Kit (includes PM5 board, GCPUx full kit and a Free metal case)  70.00
PM5 -0815  Parts List
Battery Board Kit not included (no longer available)
You will select at checkout:
LCD Color: Blue or Green
Case Color: Blue or Chocolate Brown
Free assembled for Senior Radio Amateurs

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