Pacific Antenna Easy TR Switch Page 8 Quick Start Manual Download | Manualshive

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Schematic

Easy TR Switch V3 20171212

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Summary of Contents for Easy TR Switch

Page 1: ...or switching an audio channel or even to switch a remote amplifier or pre amplifier Manual operation is achieved through use of control inputs to disable RF switching and to key the relay Features an...

Page 2: ...l unless you want a copy Print the Parts List and Schematic last two pages then view the rest of the manual on a computer laptop or tablet The Parts List has columns for inventory and construction You...

Page 3: ...Capacitor marked 47 or 470 0 1 lead spacing 1 22pF C1 alternate Monolythic Capacitor marked 22 or 220 0 1 lead spacing 2 0 1uF C3 C4 Monolythic Capacitor marked 104 0 1 lead spacing 1 4 7uF C2 Tantalu...

Page 4: ...m Note align side lead with pad on board outline C3 0 1uF monolythic ceramic marked 104 C4 0 1uF monolythic ceramic marked 104 Transistors and diodes Q1 2N3906 align flat to board outline with center...

Page 5: ...onnector SV1 with V to pin 1 marked V and ground to pin 4 marked G Choice of C1 Capacitor C1 senses the RF signal and feeds the signal to Q2 to control switching The 47pF capacitor supplied for C1 sho...

Page 6: ...ed NC output and a 10 ohm or so resistor from the normally open output to ground If the TR switch is embedded into another system jumper wires can be used to the appropriate pads for signals power and...

Page 7: ...iodes D1 and D2 as well as the transistors Q1 and Q2 They should be oriented as shown on the PC board outlines Verify that power and ground are connected to Pads 1 and 4 of X1 Test by connecting Pad 2...

Page 8: ...Schematic Easy TR Switch V3 20171212 8...

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