Note: this solution assumes
- TKR RX COR and RX CTCSS Decoder are active high logic signals
- TKR generates the TX CTCSS. The 7330 controls the CTCSS timing.
Cable
7330 DE9P |
TKR DB25 |
Signal | Note |
---|---|---|---|
1 | 11 | Receiver Audio | 7330 Audio Input |
2 | 25 | Receiver COR | 7330 Logic Input, Active High |
3 | 24 | Receiver CTCSS Decode | 7330 Logic Input, Active High |
4 | 16 | Transmitter PTT | 7330 Logic Output, Active Low |
5 | 9 | Transmitter Audio | 7330 Audio Output |
6 | 12 | Ground for Receiver Audio | RX Ground |
7 | 7 | Ground for CTCSS Logic Input | Digital Ground |
8 | 23 | Transmitter CTCSS Logic Input, Enable/Disable | 7330 Logic Output, Active Low |
9 | 19 | Ground Transmitter Audio | TX Ground |
7330 Jumpers
Ref | Signal | Note |
---|---|---|
J31 | Receiver COR | Install, Invert for Active High |
J31 | Receiver CTCSS | Install, Invert for Active High |
TKR Programming
Parameter | Configuration |
---|---|
Receiver Frequency | As Required |
Transmitter Frequency | As Required |
QT/DQT Decode Code | As Required |
QT/DQT Encode Code | As Required |
Wide/Narrow | As Required |
Multi-table | As Required |
Operation Mode | Duplex |
Scan Add | No |
CW ID | No |
AUXIO 4 | QT/DQT Encode Disable/Enable |
AUXIO 5 | TOR Active High |
AUXIO 6 | COR Active High |
Local Mic Off-hook Decode | As Required |
Fan Action | Temperature |
Ref:
- 7330 User Manual
- http://www.repeater-builder.com/kenwood/kenwood-index.html
- http://www.repeater-builder.com/kenwood/kenwood-repeater-index.html
- http://www.repeater-builder.com/kenwood/pdfs/tkr-750-850-programming-v101.pdf