Schematic of Step Attenuator

Sunday, 14 April 2019 21:46

Written by Ron

Rate this item

(0 votes)

Searched online to find some schematics of step attenuators and then edited schematic into QUCS.

Simulator result

The +20 db step is off quite a bit.

Read 3657 times Last modified on Sunday, 14 April 2019 22:00

Published in Radio System

More in this category: « Make a Programming Cable for a Yaesu FT-4X

Make sure you enter all the required information, indicated by an asterisk (*). HTML code is not allowed.

Feed not found.

Dave Richards AA7EE

Testing Out Different Headsets with a Crystal Set and Assembling a Sound-Powered Headset
Before building Jim W4LF’s Hobbydyne™ crystal set, I put together an impedance matchbox, for matching the detector diode to a variety of different headsets and earphones, so that I could determine the best ones to use. The world of serious crystal set listening was new to me, so I did some reading up. To give […]
A Crystal Set Impedance Matchbox
Growing up as the youngest of 4 boys, I was well positioned to receive all the hand-me-downs. Although that might sound as if I just ended up with second-rate stuff, that was not the case at all. I inherited a lot of great things from my older brothers. I couldn’t have cared less that they’d […]
A Little WSPR Beacon (Aren’t They All Little?)
I first tried WSPR out in 2009, with a Signalink USB interface attached to my FT-817 and PC. For anyone interested in QRP and QRPp, the process of being able to decode a signal that is up to about 34dB below the noise level is quite fascinating. Morse code, sent by way of CW, engages […]