> "briansoehl" <brianso...@...> wrote: > Has anyone built a repeater out of 2 TK-830G's? I have 2 > and want to build a repeater to replace one. These are > "high spec" radios designed for use in public safety and > I feel they'd make a good repeater. > Any help would be greatly appreciated. > Brian
The TK-830 is a very popular "big-knob" Public Safety Radio, the current replacement is a the TK-890. They make killer repeater building blocks. Aside from what you'll read from other group members I would tell you there should be no problems running the radio full power all the time. If your repeater is a lock to talk box (IE using IRLP or Echo Link) with nearly constant duty cycle it would be advisable to use a modest blower (not a fan) to move air past the transmitter deck (rf package). I would be greatly surprised if you were able to kill a TK-830 in anything but constant on (Tx) operation. The radio has self protection in the PA section. I run a number of 630/690, 730/790 and 830/890 RF Decks in full-power repeater operation and have never lost one even when they were very hot to the touch after a lot of constant key-down time. You need to pull TOS/COS/TOR/COR from the Receiver and figure out how you want to interface the transmit audio back into the transmit radio (rear panel jack or the front panel mic connector). If you want more information regarding that task... Email me direct for some ideas if you need that information. Unless you want to run lock to talk constant transmit, the 830 should work just fine. Even in high power, high duty cycle operation you'd be hard pressed to hurt an 830 RF Deck with a modest blower pushing air past the chassis. s.
