OSH Park
Profile for Barbouri
Shared projects
LNA60 3V3 Case 1090MHz Filter Ver-3.2
by
Barbouri.
4
layer board of
3.15x0.89
inches
(80.04x22.71
mm).
Shared on
April 4th, 2017 03:00.
Low Noise Amplifier for SDR Radio ADS-B reception Ver. 3.2 with 1090MHz ceramic-coaxial-resonator based bandpass filter, for aluminum case 25x25x80mm mount and 5 volt bias power. This board uses mostly the same components as the Ver 2.3 board linked below, but places the bandpass filter before the LNA and also requires 5VDC external bias power thru the output SMA connector. NOT-TESTED https://www.barbouri.com/2017/03/12/low-noise-amplifier-for-sdr-radio-ads-b-ver-2-3-with-1090mhz-ceramic-filter/
SDR ADS-B LNA and 1090MHz Filter Ver-2.3
by
Barbouri.
4
layer board of
3.15x0.89
inches
(80.04x22.71
mm).
Shared on
March 13th, 2017 02:55.
Low Noise Amplifier for SDR Radio ADS-B reception Ver. 2.3 with 1090MHz ceramic-coaxial-resonator based bandpass filter, for aluminum case 25x25x80mm mount and 5 volt power.
https://www.barbouri.com/2017/03/12/low-noise-amplifier-for-sdr-radio-ads-b-ver-2-3-with-1090mhz-ceramic-filter/ 
Vref-4 Version 2.0 ext Pwr
by
Barbouri.
2
layer board of
1.77x1.08
inches
(44.91x27.43
mm).
Shared on
December 25th, 2016 19:18.
Quad Voltage Reference V 2.0 external 12Vdc power
https://www.barbouri.com/2016/12/25/voltage-reference-quad-project-2-part-1/ 
4 Pin Shorting Board V1
by
Barbouri.
2
layer board of
1.25x1.25
inches
(31.78x31.78
mm).
Shared on
November 24th, 2016 21:32.
Four Pin Shorting for Keithley 2015 / 20XX
https://www.barbouri.com/2016/12/29/4-wire-dmm-shorting-plug/ 
Milliohm Meter Version 1.5
by
Barbouri.
2
layer board of
2.49x1.54
inches
(63.25x39.14
mm).
Shared on
September 26th, 2016 02:28.
Milliohm Meter Version 1.5 This is a DIY milliohm meter that was originally designed by Scullcom Hobby Electronics and presented on Youtube. Updated board with display power connector, PTC fuse, and current set resistors http://www.barbouri.com/2016/10/09/milliohm-meter-version-1-5/ 
V1.5 pictured