Poor's Man Digi Mode

1 year ago 1338
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Auto PTT on signal (useful for digital modes like RTTY / PSK / FT8).

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Digi Mode PTT Schematic

Digi Mode PTT PCB


ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted LCSC
1 10k R1,R7 AXIAL-0.3 2
2 1K PR1 RES-ADJ_3296W 1 RHOS 3296W-1-103LF ReliaPro LCSC C5026
3 47k R2 AXIAL-0.3 1
4 BC547B Q1,Q2,Q3 TO-92(TO-92-3) 3 BC547B CJ LCSC E2092
5 330k R3 AXIAL-0.3 1
6 4k7 R4,R5 AXIAL-0.3 2
7 1N4148 D1,D2,D3 DO-35 3 1N4148 ST LCSC C14516
8 1u C1,C2,C3,C4 CAP-D3.0XF1.5 4
9 204-10UYC/S530-A3 PTT-LED LED-3MM/2.54 1 204-10UYC/S530-A3 EVERLIGHT LCSC C73643
10 1k R6 AXIAL-0.3 1
11 CARD-4x CARD HDR-4X1/2.54 1 Header-Male-2.54_1x4 LCSC LCSC C59481
12 TRX-4x TRX HDR-4X1/2.54 1 Header-Male-2.54_1x4 LCSC LCSC C59481
13 10u C5 CAP-D3.0XF1.5 1


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