signal generator circuit

The 4X4 Slimtenna - Development of the Slim Jim antenna for HF

Pringles WiFi Antenna - DIY Wifi Antenna with a pringles can and extend your wifi signal, also known as cantenna.

Dummy Load Special Antenna - The wire antenna described in this page provides much stronger signal strength while staying within the concept of a dummy load antenna.

Variacs - Variable Autotransformer - Use these Variac auto transformers for specific application requirements that include, but are not limited to, home coffee roasting, tube amps, and more.

Agilent - Spectrum analyzers - Agilent maker of Oscilloscopes, Analyzers, Meters - Spectrum Analyzer (Signal Analyzer)

Amplitude Modulation - Amplitude Modulation (AM) is essentially a mixing process where the audio modulating signal is mixed with the radio frequency carrier

Adding 160 meters to the Heathkit SB-220 - There will be radical changes to this Heathlit SB-220. There will be the addition of 160 meters along with many other circuit and design changes.

Handling of extremely strong signals K2 Mod - Makes reception at frequency of strong tx close by possible

Integrated Circuit Audio Amplifiers - Circuit designs for IC audio amplifiers by N1HFX

Design Guidelines for JFET Audio Preamplifier Circuits - Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell N1HFX

Adjustable Regulated Battery Charger - This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery.

A NiCAD Battery Charger - A NiCAD Battery Charger with Current and Voltage Limiting

Noise Bridge Tuner Tuner - Noise bridge circuit to tune your tuner

LF Converter - Home made LF converter, listen to signals below 300 KHz

A low cost morse Trainer / Keyer - By Prof. T. K. Mani - VU2ITI

FT290 CW KOX Circuit - This is not actually break-in but just KOX circuit. It can only be used on the CW mode otherwise it keys up the Tx

Amateur Radio - Microphone Preamp - Low signal, noise-high AC gain preamplifier

An Accurate Power Meter For QRP Ops - A circuit using two junkbox transistors and a garden variety op-amp that will let you accurately measure your rig\'s flea power down to milliwatts.

13cm Signal Generator - A 13 CM signal source project by W6PQL

Microwave Marker - Signal marker for the microwave bands

23cm Signal Generator - A 23 signal source project by W6PQL

Band Monitor Scope by JF10ZL - A 7 Mhz band monitor scope project that exchanges all existing signals of that timing of 7MHz-band to viewer image like a hill on the oscilloscope by JF10ZL

Oscilloscope Tester - Circuit to assist in the setting-up and calibration of oscilloscopes

Universal HAM radio/generator DDS Unit - OM3CPH Universal HAM radio/generator DDS Unit with AD9850 or AD9851

DDS RF Signal Generator Project - S53MV Project - RF Signal Generator