Amplifier keying relay buffer amateur radio interface RBI-1, – YOU build KIT –

$39.95 Buy It Now or Best Offer
free,30-Day Returns

Seller Store radiodan-w7rf
(14352) 99.7%,

Location: Fort Collins, Colorado
Ships to: US,
Item: 144470894060

All returns accepted:ReturnsNotAccepted
RBI-1:RBI-1
Country/Region of Manufacture:United States
Type:Amplifier keying interface
MPN:RBI-1,RBI-1K
Radiodan:Radiodan

THIS IS A KIT – YOU MUST BUILD IT READ DIRECTIONS BELOW to be certain you understand how to build this KITHigh quality relay box to interface between any radio* and will key any amplifier. Many newer radios can only provide for a small amount of current on the external amplifier keying output. Our box will draw <3 ma from your radio and will key any amplifier. A very handy accessory. Get one BEFORE you damage your radios amplifier keying output! RCA jacks in and out for keying the interface from your radio and output to your amplifier T/R relay control Needs 9-15 VDC at only 40 ma, has 2.1 x 5.5 mm DC jack, universal plug and 5 feet of wire included, center positive Relay rated up to 240 VAC at 5 AMPS! RELAY SWITCHING TIME IS VERY FAST AT ONLY 5 MS! Genuine relay used for switching (not an easy to damage solid state device) See separate eBay listing for RCA-RCA male connector cables Requires GROUND on transmit from your radio to activate the RBI-1 on RCA jack labeled "from radio amp keying". The output RCA jack labeled "to amplifier relay control" provides a closure of contacts to complete any amplifier relay circuit requiring a ground on transmit to activate Can be used with any radio that has connection for switching to ground for T/R or amplifier control. No complicated manual - EASY TO BUILD! Use your ROSIN CORE (standard electronic type) solder EASY directions! Use the pictures in this ad as your instructions and visual guide. The instructions are below, we do not print instructions, READ THEM BELOW. 1) Solder R1 (3.3k) resistor to R1 spot on board (3.3k is orange, orange, red) 2) Solder R2 (100k) resistor to R2 spot on board (100k is brown, black, yellow) 3) Solder transistor to Q1 spot on board, make sure transistor is installed as per screening on board (FLAT side of transistor to FLAT on board) 4) Solder diode to the board (MAKE SURE BAND ON DIODE MATCHED WHITE LINE ON BOARD) 5) Use a cut off piece of a resistor or diode lead as a JUMPER in the holes on board as the picture shows. This jumper is using TWO of the three holes closest to the resistors and behind the relay 6) Solder RCA jacks IN1 and OUT1 to their respective locations on board. NOTE: They are in OPPOSITE CORNERS. See board white screening as it shows "IN1" and "OUT1" (Make sure they are properly seated on board) 7) Solder DC jack next to OUT1 RCA jack (make sure it is properly seated on board) 8) Solder relay to the holes as shown in the pictures (yes, there are extra holes for a DPDT relay as used in OTHER models) 9) Install board in the pre-drilled case, you can use the supplied foam square placed on TOP of the relay to prevent excess movement of the board in the case OR you may use YOUR hot glue on the bottom of the board to the case (bottom case has the holes in it) IF IN DOUBT, USE THE PICTURES TO SEE WHERE PARTS ARE TO BE PLACED. Troubleshooting is simple - BE CERTAIN all parts are placed correctly including the wire jumper in instruction 5. Make sure your power plug has POSITIVE 12 VDC on the CENTER. When you (or your radio) provides a short (ground) on the INPUT RCA jack, this will provide a closure of contacts on the OUTPUT RCA jack to key your amplifiers' T/R relay. This is the same RBI-1 we sell as completely built in other eBay ads, we have sold over 5000 RBI-series interfaces! See our eBay store listings for our complete line of Amplifier Relay Buffer Interfaces. In other listings we have models with 2 radios and a bypass switch, 2 or more amplifiers or other device (like noise reduction unit keying, mute, etc) When connecting your Radio and Amplifier, there may be switching voltage, polarity, and current incompatibility that can cause damage to your radio or amplifier if connected without a switching interface between them. Even if your internal radio switching looks like it might be usable, it is wise to have an extra degree of isolation between your amplifier and radio with our relay buffer interface. 73, Dan W7RF ( Radiodan ) Ham Radio amplifier amateur amatuer radio amplifier relay buffer interface

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