Projects

 

 

The SCR Preselector

(last update 22/09/2009)

The SCR Preselector

Revision B

High-performance Software Controlled Radio Preselector

TUNABLE BAND-PASS FILTER BANK FOR HF BANDS.

Covering 1.8MHz to 30MHz in five bands.

Digital Tuning. Stand alone or USB control from PC.

 

tiny SCR Preselector

(last update 01/12/2009)

tiny SCR Preselector.

  Revision B

1.8MHz to 30MHz Tunable Band Pass Filter.

Software Controlled Radio Preselector via USB or I2C Bus

A less complex version of the SCR Preselector.

 

Vector Network Analyzer.

(updated 09/01/2010)

My versions of N2PK Vector Network Analyzer

60KHz to 60MHz. Lab quality VNA.

USB interface version (built in USB power supply)

Plug and Play. USB powered.

Parallel Port interface version. Externally powered.

Customized options. PCB assembling service available.

Accessories.

 

USB adaptor page

(Updated 14/10/2009)

USB Adaptor&Power converter (built-in USB power supply)

Parallel port to USB adapter. DC/DC converter

 

VNA assembly page

Assembling the VNA

 

Attenuator page

0 to 71dB Precision Ladder Attenuator


Featuring Minicircuits PAT+ series fixed attenuators.

 

Filters pages

Passive Radio Filters and Accessories

 

Front End project

 

 

Front End Project

(last update on 25/09/2009)

Realization of Martein's PA3AKE State of the Art HF Front End Project.

USB-I2C bus control module kit available.

 

Spectrum Analyzer page

Scotty's Spectrum Analyzer project

DC-1GHz Spectrum Analyzer

 

Fractal antennas

Fractal Antennas Project

 

PIC microcontroller projects

PIC microcontroller projects

 

 
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