Schematic
Easy TR Switch 20170209
9
Страница 1: ...nually through use of control lines to disable the automatic switching and to control switching through grounding a control line It also has a control lines to disable automatic switching and to manua...
Страница 2: ...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 c...
Страница 3: ...Monolythic Capacitor marked 22 or 220 1 100pF C1 alternate Monolythic Capacitor marked 101 2 0 1uF C3 C4 Monolythic Capacitor marked 104 1 4 7uF C2 Tantalum polarized capacitor marked 4u7 or 475 1 2N...
Страница 4: ...R1 10K Ohm 1 4W Brown Black Orange Gold R2 10K Ohm 1 4W Brown Black Orange Gold R3 10K Ohm 1 4W Brown Black Orange Gold R4 100K Ohm 1 4W Brown Black Yellow Gold Capacitors C1 22pF or 47pF or 100pF mo...
Страница 5: ...he TX inputs and switch at about 100mW of RF and can be used over a frequency range of 160 6M and up to 100 Watts of RF under matched conditions Manual switching can be enabled by grounding pin 3 B of...
Страница 6: ...er you will only need to use the ANT RX and TX connections The Auxiliary contact set can be utilized to mute audio of a receiver by switching its output to a resistor during transmit instead of the sp...
Страница 7: ...ooking at the back of the board As a guide the trace locations are shown in the drawing below The additional switched contacts if used are connected in the same manner X1 Control and Power input Pin 1...
Страница 8: ...nnections as indicated above When applying RF to the TX input you should hear the relay click If possible test at 7 10Mhz first to verify function and if not working at low or high frequencies increas...
Страница 9: ...Schematic Easy TR Switch 20170209 9...
