More Active Antenna Experiments -by- Todd W. Gale [VE7BPO]
 

More Active [Whip e-Probe] Antenna Experiments -by- Todd W. Gale
[VE7BPO]

http://www.qrp.pops.net/Active_Antenna_2005.asp

Introduction :
* The Tuned Whip
* Common Gate Amplifier Version
* Cascode JFET Amplifier Version
* * 10 MHz Tuned Whip Active Antenna
* Broadband Output Version
* Tuning a Whip To Other Frequencies
* How to find the correct Trimmer Capacitor
for any Tuned Circuit you wish to Resonate
* Building An Active Antenna
* Some Practical Examples : 40 and 41 Meter Band
* 5 MHz WWV Cascode Bipolar Amplifier
* Final Comments
* Experiments by Other Builders

Amateur and Short Wave Radio Electronics Experimenter's
Web Site - http://www.qrp.pops.net/default.asp
Copyright © 2007 Todd W. Gale [VE7BPO]

SWL Home Builder : AM/MF and Shortwave (HF) Receiving Antenna -by-Todd W. Gale [VE7BPO]
 

SWL Home Builder : AM/MF and Shortwave (HF) Receiving Antenna
[ Text and Pictures ]

SWL - http://www.qrp.pops.net/swl-ant.asp

-by- Todd W. Gale [VE7BPO]

Introduction :
Outdoor MF and HF Antenna
4:1 UNUN
9:1 UNUN
Conclusion
Some SWL Antenna Related Links

Basically a "Windom" Single Wire Off-Center "T" Antenna
using a UnUn at the Ground Level Feed-Point / Grounding
Location and using a Coax Cable feed-in-line.

Think of it as Two Inverted "L" Antennas 'combining' a
Short and Long Top Section with a 'common' Vertical
Section.

Amateur and Short Wave Radio Electronics Experimenter's
Web Site - http://www.qrp.pops.net/default.asp
Copyright © 2007 Todd W. Gale [VE7BPO]

Voltage Probe Antenna (VPA) Experiments -by- Todd W. Gale [VE7BPO]
 

Voltage Probe Antenna (VPA) Experiments

http://www.qrp.pops.net/probe1.asp

-by- Todd W. Gale [VE7BPO]

Introduction :
Broadband Voltage Probe Antennas
VPA With A High Pass Filter After The Q1 Stage
VPA High Pass/Low Pass Filter after Q1 Stage
Tuned Input VPA
Remote Location
Tidbits
Project Conclusion

Amateur and Short Wave Radio Electronics Experimenter's
Web Site - http://www.qrp.pops.net/default.asp
Copyright © 2007 Todd W. Gale [VE7BPO]