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 Amateur Radio RF Measurements:

 

 

 RF Measurement Projects and Kits

GCPUx:  General Purpose PIC18F4550 CPU
 
PIC18F4550 Based Graphic LCD CPU with add-on project boards. Idea for various ham radio projects. Availble project board with installs on GCPUx Main Board are: PM5, SWM5, FC5 and AAZ5, with more planned in future.
 

FC3: 50/500MHZ LCD Frequency Counter & RF Meter

PIC18F4550 Based Frequency counter measures to 50MHZ Directly and to 500MHZ using MC12080 Pre-Scaler. 

AD8307 is used to measure signal level and display in DBm, Vpp or RMS.

 

50MHZ ANTENNA ANALYZER: AAZ-0914A
 FOR USB, GRAPHIC LCD CPU and Bluetooth

500MHZ Dual Channel GRAPHIC LCD RF METER: PM4
KITS AND ASSEMBLED
USB Powered Antenna Analyzer with Graphic LCD Display. Works as a standalone for PC too. Supports AD9850.
 

SWM3-QRP: Dual Channel LCD SWR METER with Integrated HF Bridge
 

Compact, PIC18F4550 Based LCD SWR Meter For QRP (10W) Radios. Includes an HF Bridge (Place for future addition of VHF Bridge) and a 9V battery. Operates on USB Power or a 9V battery. I2RZK has scaled down PIC18F4550 firmware used in SWM3-USB for this mini project


SWM4 Graphic CPU Based Dual Channel SWR Meter:
 

SWM3: Dual Channel LCD SWR METER USB

Another hard work on PIC Firmware by I2TZK resulted in making this Dual channel SWR Meter with Data logger a true USB and USB Powered. 

HF and VHF Bridges are available for above CPU, to complete an LCD SWR Meter for any Ham Station operating from 100 to a KW.


SWM2: Dual Channel LCD SWR METER SWM2 - RS232

I2TZK has made enough efforts in programming PIC16F877A Firmware  for this project, making it a true  Dual channel SWR Meter with Data logger. This is an RS232 interface CPU.


40db RF Attenuator for PM3A

HF 40db attenuator is basically designed for PM3A RF Power Meter. However, it may be effectively used for other measuring purposes.

 


Antenna Matching Balun for QRP Radios

 


PIC16F877A LCD HF 100W SWR Meter: FD-SWR-HF

This 100W HF 2x16 LCD SWR Meter uses advanced PIC16F877A and have accurate RF Measurement pick-up board using a toroidal indictor bridge. Has back-lite control and simple two button menu operation. 


PIC16F88 LCD VHF SWR METER : FD-SWM-VHF

This 2x20 LCD HF/VHF SWR Meter measures & Display SWR and Forward power and has a bar graph too. Uses PIC16F88 with inbuilt 8MHZ Osc. and has 3 front panel buttons for menu control.


PIC 16F876A 500MHZ Dual Channel RF Power Meter with Data Logger: PM3

PM3 is a version of PM2 with Data Logger Output and supports remote LCD & Menu Button placement. 

PM3 has a remote Sensor Board:

 


RF Dummy Load 50 Ohms 10W

 

 

Resistive dummy load for 50 ohms will handle approx. 10W and has detector output for measurement

 

 


 

 

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