Updated March 10, 2014
   

QRP-Tech Group Projects: .. .. .. .. .. Noise Generator

(4 digit # refers to QRP-Tech group message)(Click on a project below to go to my Project-nnn page)

Project-000 = Simple EMRFD DC Receiver 4960
Project-001 = 8640Jr signal generator 3332
Project-001.5 = G3UUR Crystal Oscillator 3674
Project-002 = Regenerative receiver 4960
Project-003 = RF Sweep Generator 4313
Project-003.3 = W7EL Transceiver 4677
Project-004 = K8IQY PVX) or G3UUR Crystal 4835
Project-005 = Noise Generator
Project-006 = NN1G Transceiver Building Contest 4850

Project -xxx = My version of the NE4040

Project-xxx = Ugly Weekender (Muppet Style)

 

Test Equip used here: Tek DSO scope TDS2012C, Hatachi scope V-422 (very old but still works), HP Sig Generator 8640B, B&K Freq counter, B&K DVM, HP3400A RMS volt meter (good past 10MHz, 3 each HP lab power supplies, Simpson 260 VOM, AADE LC meter, Veleman DVM, Step Attenuator ARRL design.Building a couple of 50ohm loads, a return-loss bridge, a couple of AD8307 power meters, and a couple of scalar network analyzers.
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W5DOR - Project 005

. . and how do I use a noise generator? Here's some links:

N5ESE's Experiments with Broadband Noise Generators

AN-1 Introduction to noise generators - G8FEK

Building the K7QO Noise Source (Manhattan Style) - WB0SMX