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)
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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) |
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Improving Receiver Intercept Point Using Selectivity
(Maxim Application note 749) |
VK5BR (An Interference Cancelling system for RX or
TRX) |
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PA0KSB VFO Stabiliser |
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JA0TJU (Photos about some HF-
VHF Linear Ampl) |
Third Order Intercept measurements (Agilent app.note) |
QRP HomeBuilder VE7BPO (a lot of interesting topics) |
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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 Receivers tests by ARRL resumed by Elecraft |
WN5Y SuperReceiver (another 2N5109 RF preampl) |
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QEX Sept-Oct 2006 1.5KW HF linear amplifier with 100V mosfets
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RF transmitting transistor and power ampl fundamentals |
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Power Mosfets vs Bipolar Transistors AN860 by Motorola |
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On the Occupied Bandwidth of CW Emissions by KF6DX |
LX3SKY reviews TS570DG |
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 |
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YU1AW Projects and technical articles site |
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SM6LKM (a PIC controlled VFO) |
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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 |
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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 |
|
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) |
I0CG A powerfull 200 MHz DDS with AD9951 or
200MHz AD9951 DDS Phase noise < 120 dBc/Hz @ 1KHz offset |
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WoodBox Radio homebrew hamradio Hand Made in Italy |
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Direct Conversion HF Transceiver with DDS LO by OH2NLT, OH7SV |
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I-Q VFO (DDS AD9854) by Craig AA0ZZ, Bruce AA0ED) |
Antique Chip Collector page |
HA5BGL (fine homebrew HF-VHF and up, test equip.) |
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IV3DDM has rebuilt I4FAF-IK4AUY HF Front -End project
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AGILENT Appl Note 150 "Spectrum Analysis Basics"
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ATLAS radio 180-210-210X-215 |
HamradioWeb.org |
|
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SDR - SoftRock RX links |
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FLEXRADIO Systems FLEX-5000, SDR1000
Flex Radio in Italy |
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RF SPACE (SDR-14, SDR-IQ SDR RX) |
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Perseus SDR RX |
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DJ9CS SoftRock page |
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AMQRP.ORG Softrock-40 kit page |
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HAMSDR.com |
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PA3ANG SoftRock-40 RX live |
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KD5TFD SoftRock and SDR1000 pages |
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