W6/PA0ZN (collection of Direct Digital Synthesizers link for
amateur radio local oscillator ideas) |
AC5OG "A software defined radio for the masses"(QEX) |
Wobbler & generator with PC controlled DDS (AD9850)
Dr. Peter Halickı, OM3CPH, Peter Halickı, Jr., OM2PH |
VE3ERP HAMCALC Updated Version, down load from CQ
Magazine web site (lot of utility electronic math-programs) |
My Homemade 20m SSB Transceiver (Later: 80m to 6m)
by OZ2CPU |
VE7CA (Markus site with antennas and homebrew projects) |
Low Noise & Power Amplifier Design (circuitsage.com) |
N7TX
XCVR.COM (lot of tips about kits, Elecraft
K1,K2) |
Bandpass Butterworth Filter Plot (www.rfcafe.com) |
YO5OFH (A lot of Ham Radio resources and
projects) |
Improving Receiver Intercept Point Using Selectivity
(Maxim Application note 749) |
VK5BR (An Interference Cancelling system for RX or
TRX) |
Matrix Test Equip. Technical Literature (on 2°, 3°ord IMD) |
PA0KSB VFO Stabiliser |
Intercept Point and Dynamic Range. (App.Note) |
JA0TJU (Photos about some HF-
VHF Linear Ampl) |
Third Order Intercept measurements (Agilent app.note) |
QRP HomeBuilder VE7BPO (a lot of interesting topics) |
Two tone IMD measurement techniques by MA-COM |
Radio QRP (close look at IRF510 Low Cost Mosfet for RF) |
XYZ of Oscilloscopes by Tektronix |
High Power Solid State Circuit Design Appl. Note by UltraRF |
Radio Receivers tests by W8JI Tom |
Transistor push-pull 30 W (2Win) HF amplifier byWA1GPO |
Radio Receivers tests by Sherwood Engineering. |
WA1GPO zipped downloadable file from ARRL (june '03) |
Radio Drake R4C mods and IF filters by Sherwood Eng. |
G4FGQ downloadable Dos executable technical software |
Radio ranking by Receiver Factor = IIP3- NF
(NORCAL) |
WN5Y SuperReceiver (another 2N5109 RF preampl) |
Radio Receivers tests by ARRL resumed by Elecraft |
F6GOG (HF Mosfet 350 watts ampl,DDS,RF Power Meters) |
RF transmitting transistor and power ampl fundamentals |
YB0AH (2x2SC2290 HF RF AMPL
and more) |
Power Mosfets vs Bipolar Transistors AN860 by Motorola |
JA6QXW Kenwood engineer home site (TS570DG,
more) |
On the Occupied Bandwidth of CW Emissions by KF6DX |
LX3SKY reviews TS570DG and
how to select a trx?. |
More On Receiver Dynamic Range by KF6DX(04-2003) |
Design Electronics by W.D. Phillips (an
electronics course) |
Loss Less feedback amplifiers for RX or low level high IP3 |
VSWR and RETURN LOSS conversion card by GM4ISM |
W7PUA (DSP-10 trx and co-author Exp Methods in RF) |
N2PK Vector Network Analyser |
W7ZOI (co-author Experimental Methods in RF-'03 ARRL, author of Solid
State Design in 1977) |
W4ZCB Harold Johnson Pic a STAR G3XJP beta tester |
SM5BSZ, Leif Asbrink technical site, LINRAD |
G3XYG one "PIC a STAR" builder |
YU1AW Projects and technical articles site |
G3XJS one more "PIC a STAR builder" |
SM6LKM (a PIC controlled VFO) |
UR3IQO High performance trx with DSP IF |
F6BON (An RF Spectrum Analyser project) |
Analog Devices: High Performance Narrowband Receiver..... |
W8WWV (see
antenna and other experimentation) |
Analog Devices:Accurate Gain/Phase measurement up 2.5Ghz |
I1KFH homebrew pages (spectrum analyser by S53MV) |
Analog Devices: Design a direct 6 Ghz LO with Integer N PLL |
I6YPK & I6WJB HF transceiver project
schematic+photos |
Analog Devices: a new 45 dB, 500 Mhz Variable Gain Ampli |
Steve Hageman QEX 2-250 Mhz RF Network Analyser |
Analog Devices: PLL SYNTHESIZERS |
DL4YHF (PIC
Programmer, "SPECTRUM
LAB"
Windows 95 or 98 software) |
Analog Devices: Phase-Locked Loops for high-frequency receivers and
transmitters - 1 |
JR1PWZ (home made trx, high level mixer tests, dds) |
Analog Devices: Phase-locked loops for high-frequency receivers and
transmitters-Part 2 |
Audio Freq: Audio design ideas, Appl Notes, Tutorials, Software
for Low-High pass Audio Filters links |
Analog Devices: Phase-locked loops for high-frequency receivers and
transmitters-Part 3 |
Design of Active AF filters |
Analog Devices: Analog Dialogue (home) a forum... |
Designing with AF Operational Amplifiers |
Analog Devices: Fast locking 7 Ghz Synthesizer Oct 2003 |
A course on AMPL OP AF (français) |
Analog Devices: Active Mixer ICs simplify and enable lower cost radio
architectures |
Active Filter Design Techniques by TI (.pdf 66 pages) |
Microwaves (Microonde.it,
I2SG,
I0LVA & IW0FGR) |
AN142 NE5532 Audio IC Philips Application Note |
VHF Communications Magazine |
Download FILTERPRO by Texas Instrument LP-HP filter software (copyrights
to TI) |
DUBUS Magazine |
TI Amplifier design utilities |
QEX Magazine |
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Power RF Amplifiers Technical Notes by EMPOWER |
The DC2000 (by
Peter Parker VK3YE)
An experimental HF direct conversion receiver |
A QRP SSB Transceiver by WB9IPA |
Guide to built a Spectrum Analyser |
personal ORION review by K3BU (ex VE3BMV) |
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JA9TTT/1 technical site |
I-Q VFO (DDS AD9854) by Craig AA0ZZ, Bruce AA0ED) |
N9EWO about ex-Watkinks Johnson WJ-8711/HF-1000 RX |
HA5BGL (fine homebrew HF-VHF and up, test equip.) |
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Antique Chip Collector page |
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