NT1H69B8

Technical Characteristics

• Overall Length

  7.750 inches nominal

• Overall Width

  6.375 inches nominal

• Overall Diameter

  3.250 inches nominal

• Iii End Item Identification

  digital microwave radio;rd-u4 hotstandby;dm-4a processing shelves

• ~1

  conv. alarm lamp on the monitor and alarm panel;turn on is automatically controlled so that voltages are provided to transmit circuits in the proper sequence;accepts a control lead input voltage (typecally -2.3v) from the power amplifier;no maintenance

• ~2

  control or adjustments are required;voltage measurement of the adjustments are required;voltage measurement of the +5v,power amplifier drain (+10.5v),-15v,and the power amplifier 'prot' voltage (-2.3v) are made at pin jacks on the monitor and alarm panel

• Design Control Reference

  1h69b8

• Manufacturers Code

  01794

• Special Features

  power converter provides necessary operating voltages (+5,-15 and +10.5 vdc) for all transmitter subassemblies;converter requires a -48 vdc input and cb1 trips at 4 amps for protection;output shorts,over and under-voltages conditions initiate a power