Shared projects

Simple USB SC Interface

2 layer board of 2.73 x 1.73 inches (69.3 x 43.9 mm).
Shared on December 8th, 2017 03:18

Ham Radio to PC Sound Card Isolated Interface.

http://g7ltt.blogspot.com/2017/11/isolated-sound-card-interface.html


Simple USB SC Interface

2 layer board of 2.73 x 1.73 inches (69.3 x 43.9 mm).
Shared on December 8th, 2017 03:18

Ham Radio to PC Sound Card Isolated Interface.

http://g7ltt.blogspot.com/2017/11/isolated-sound-card-interface.html



RemAud Mic Interface for Yaesu FT8XX

2 layer board of 1.85 x 1.20 inches (46.9 x 30.5 mm).
Shared on November 24th, 2017 23:10

Use your Yaesu MH-31 mic with Remaud on your PC

http://g7ltt.blogspot.com/2017/11/mic-interface-for-remaud.html


RemAud Mic Interface for Yaesu FT8XX

2 layer board of 1.85 x 1.20 inches (46.9 x 30.5 mm).
Shared on November 24th, 2017 23:10

Use your Yaesu MH-31 mic with Remaud on your PC

http://g7ltt.blogspot.com/2017/11/mic-interface-for-remaud.html



Bill's Ignition Coil Driver

2 layer board of 2.10 x 2.18 inches (53.3 x 55.4 mm).
Shared on April 10th, 2017 15:38


Bill's Ignition Coil Driver

2 layer board of 2.10 x 2.18 inches (53.3 x 55.4 mm).
Shared on April 10th, 2017 15:38



MMDVM SP8NTH 6.2.1

2 layer board of 1.96 x 2.01 inches (49.7 x 51.0 mm).
Shared on March 14th, 2017 12:24

MMDVM arduino due 5x5cm https://groups.yahoo.com/neo/groups/mmdvm/files


MMDVM SP8NTH 6.2.1

2 layer board of 1.96 x 2.01 inches (49.7 x 51.0 mm).
Shared on March 14th, 2017 12:24

MMDVM arduino due 5x5cm https://groups.yahoo.com/neo/groups/mmdvm/files



1PPS Distribution Amp

2 layer board of 1.77 x 1.56 inches (44.9 x 39.6 mm).
Shared on March 14th, 2017 12:23

1PPS distribution amplifier.

BOM:

R1-R12 = 100r

C1-C3 = 0.01uF

IC1-IC2 = 74AC04

IC3 = 74AC14

Use AC parts as they are much faster.


1PPS Distribution Amp

2 layer board of 1.77 x 1.56 inches (44.9 x 39.6 mm).
Shared on March 14th, 2017 12:23

1PPS distribution amplifier.

BOM:

R1-R12 = 100r

C1-C3 = 0.01uF

IC1-IC2 = 74AC04

IC3 = 74AC14

Use AC parts as they are much faster.