mfj-259b_HF-VHF_Ant_Analyzer_Schematic.gif
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(MOV video 40Mbytes)
https://youtu.be/cB5jEVDvAwI
Links
MFJ-269 Calbration InstructionsWorksheet(WIP)
Worksheet- mark2
My manaul from older MFJ-269 Version 1D2 (scanned to pdf 127 Mbytes)
MFJ-269-scanned-manual.pdf
MFJ-259B HF-VHF Analyzer has been updated(to include 220MHz):
http://www.mfjenterprises.com/Product.php?productid=MFJ-259C
http://www.w8ji.com/mfj-259b_calibration.htm
MFJ-259 Cal
MFJ-259 Cal for 2nd Source
MFJ Enterprises, Inc. http://www.mfjenterprises.com/about_mfj.php
MFJ-731 filter
New MFJ-269C with 220MHz
Antenna Isolation Article from Repeater Builders
Understanding Your Antenna Analyzer by Joel R. Hallas, W1ZR
Datasheets
All are Surface MountHSMS2820 Surface Mount RF Schottky Barrier Diodes(detector diodes D1-D4 on MFJ-259 schematic)
MSA-0611 bipolar Monolithic Microwave Integrated Circuit (MMIC)
MMBFJ310 N-JFET RF Amp(Q1/Q2 differential amp and others)
2N7002 N-ch MOSFET
BFR106 Low-Noise NPN BJT
MBT3904 NPN General Purpose Amp/Switch
MBT3906 PNP General Purpose Amp/Switch
PIC16C73 8-Bit CMOS Microcontrollers with A/D Converter
MB511 1GHz Prescaler
TLC2274C Op-Amp
The Wireman http://thewireman.com/products.html
coax data http://thewireman.com/coaxdatacurrent2.pdf local copy