Dr. Phil's Radio Designs
Dr. Phil's Radio Articles MW/SW/FM DX Copyright 2015
Radio Buying Guides
2011 Shortwave Guide
2008 Shortwave Radio Picks
2006 Radio Buying Guide
2005 Portable Guide
2005 Tabletop Guide
SSB Cookbook

Block Diagrams
DE1103 Block Diagram
DE1102 Block Diagram
DE1101 Block Diagram
KA2100 Block Diagram

"Must-Read" Article
Tuning Tricks Challenge SAM
Radio Articles
KA2100 Superior by Design
DE1102 Mini-Cookbook
DE1103 Cheat Sheet 
PL390 Cheat Sheet
Eton E1 SWL Tips
FRG100 SWL Tips
E1 versus Sat800
E1 Flaws List
English Broadcasts Statistics

JPEG English1 English2
DE108 Mini-Radio
Scanning Speed War
DX-120 Star Patrol
ICOM IC-R75
R75 Cookbook
Fidelity Increase Mod
Fidelity Increase Mod Notes
Cheap AM Filter Mod
ECSS Volume Mod
Voice Synthesizer Volume
Display Frequency Calibration
Pete's MW Attenuator Mod
Soldering Lessons
Printable Logsheet
PhilSCAN
S10MK2 versus R75
E1 versus R75
R8B versus R75
Silicon Labs
Si4734 Hardware Guide
Si4734 Software Guide

Si4734 Shortwave Antennas
Si4734 KK-D48L
Si4734 Homebrew Radio
Si4734 Offset Tuning
Si4734 Digital Filters
PL390 FM DX King
Current Wars
Si4831 Mechanical Tuning
GP-5/SSB NEW
Dr. Phil's Radio Designs MW/SW/FM DX Copyright 2015
One Triode Radios
Angelodyne
Regerative Plate Detector
Hellenedyne II

JFET Hellenedyne
Calculate Transconductance
Hellenedyne
Hellenedyne Addendum
Theoflex


Super-regenerators
QRP Tube Superregen
Oscillodyne Superregen


Vacuum Tubes
JPEG Rare QRP Space
One Transistor Radios
Dee/Mitch-dyne
Globe Patrol Junior
Science Fair Radio
NEW
Dee/Mitch-dyne II
Transistor Power Gain


One Transistor FM DX
Heliosdyne
Heliosdyne Photos

JPEG Helio1 Helio2
Heliosdyne Addendum
Angelodyne Detector
Pocket Radio DX
Pocket Radio DX   NEW  
Hacking the KA321
KA321 Update
KA321 Update 2 NEW
KA321 MW
KA321 FM
KA321_SW
RadioShack 12-586


Sony SW Modifications
S10MK2 to Shortwave
S10MK2 Handbook
SRF59 to Shortwave
SRF59 Handbook

WAV SRF59 Audio 12MB
CXA1600P to Shortwave
Software Defined Radio
Pocket HF SDR   NEW  
Pocket HF SDR Cookbook NEW
RTL2832U NEW
  HF Direct Sampling NEW
AM Images   NEW  
FM Images NEW
SW Images NEW
Generic RTL NEW
Mirics Chipset NEW


External Links
Hellenedyne
Hellenedyne Homebrew
Hellenedyne in Contest 1
Hellenedyne in Contest 2