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Copyright 2021 FlexRadio. All Rights Reserved. 7 June 2021(FW:0.9.12, Utility: 0.9.12)
14.2.7 PTB/BCD Connector Pinout
PTBinput–Whena5to15‐voltDCsignalisappliedtooneofthepinsdescribed inthefollowingtable,the
tunerwillselectthecorrespondingband.Thepinsareopto‐isolated.Pin15isthesignalground.
Pin Band Frequency
1 160m 1.8–2.0MHz
2 80m 3.5–4.0MHz
3 40m 7.0–7.3MHz
4 30m 10.10–10.15MHz
5 20m 14.00–14.35MHz
6 17m 18.068–18.168MHz
7 15m 21.00–21.45MHz
8 12m 24.89–24.99MHz
9 10m 28.0–29.7MHz
10 6m 50.0–54.0MHz
15 SignalGround
i–The60‐meterbandcannotbeselectedwiththismethod.
BCDinput–A4‐bitBCDsignal(5to15‐voltDC)selectsaband.Thepinsareopto‐isolated.Pin15isthesignal
ground.
TheBCDinputsaredesignedforconnectiondirectlytoaband
decoderoutputprovidedbyradiossuchasYaesu
andElecraft.
Band 160m 80m 40m 30m 20m 17m 15m 12m 10m 6m None
Frequency
(MHz)
1.8 3.5 7 10 14 18 21 24 28 50 NA
Pin11
Pin12
Pin13
Pin14
H
L
L
L
L
H
L
L
H
H
L
L
L
L
H
L
H
L
H
L
L
H
H
L
H
H
H
L
L
L
L
H
H
L
L
H
L
H
L
H
L
L
L
L
HexValue 1 2 3 4 5 6 7 8 9 A 0
i–The60‐meterbandcannotbeselectedwiththismethod.
14.3 Power Derating Table
Thetunerwillscalemaximumallowedpowerinputbasedonthefollowingschedule:
SWR MaximumPower
<1.x:1 2000W
1.x:1to1.x:1 xxxW
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