‰  NOW 35 WPM  ‰  TEXT IS FROM JANUARY 2016 QST  PAGE 39‰

MINIATURE BANANA PLUGS INSIDE THE HOUSING CAN AND SHOULD BE MADE WITHOUT
SOLDERING TO THEM.  POWER CONNECTIONS TO THE RECEIVER CAN BE MADE EITHER
VIA THE MALE DYNAMOTOR PINS OR VIA THE FEMALE SOCKET IN THE BACK.  IF YOU
INTEND TO USE A SPEAKER, YOU CAN FEED IT FROM THE BACK SOCKET, USING A
SMALL MATCHING TRANSFORMER AT THE SPEAKER.  MOST OF THE UNMODIFIED
RECEIVERS WERE DESIGNED TO FEED EITHER A 10 K LOAD OR A 600 HEADPHONE.
USING AN UNMODIFIED TRANSMITTER INVOLVES PROVIDING 24, 200, AND 550 V DC
VIA THE BACK PLUG AND CONNECTING THE OUTPUT TO YOUR ANTENNA.  ANTENNA
CONNECTION  THE ARC 5 RADIOS WERE ORIGINALLY MADE FOR AIRCRAFT ARC STANDS
FOR AIRCRAFT RADIO COMMUNICATIONS.  THEY WERE DESIGNED TO FEED INTO A
RELATIVELY SHORT WIRE ANTENNA FROM A FORWARD LOCATION BACK TO THE AIRCRAFT
TAIL.  THESE ANTENNAS TYPICALLY PRESENTED THE TRANSMITTER WITH 3 TO 10 IN
SERIES WITH A FEW HUNDRED PICOFARADS.  THE EXACT VALUES WOULD VARY WITH
FREQUENCY AND WITH THE LENGTH OF THE ANTENNA.  THUS, THE RADIO NEEDS A
MEANS TO MATCH THIS RANGE OF VALUES.  IF YOU OPERATE THE TRANSMITTER INTO A
SINGLE WIRE ANTENNA LESS THAN A QUARTER WAVELENGTH, THE TRANSMITTER WILL
PROBABLY FEED IT DIRECTLY.  HOWEVER, IF YOU WANT TO FEED A 50 COAX TO USE A
DIPOLE OR OTHER COMMON ANTENNA TYPE, THE OUTPUT NETWORK OF THE ARC 5
TRANSMITTER CANT LOAD PROPERLY.  THUS, MANY OF THE TRANSMITTERS WERE
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