Radio Oceanography Laboratory Support

TOMCO serial number 6171

pf 10/31/12 finished assembly; installed handles, rerouted cables and tied them; tied SMA connectors; installed PS led; put epoxy on TOMCO DC and fiber optics; installed fiber optics (dry); put spacer in blue cap with glue gun;

Note: - must redrill LED hole to 1/4"

      - must remove attenuator knob to install handle
      - need to deliver amplifier with terminators on FWD and REFL

Tested power drain vs. voltage at 45 dBm output

 Traco V       TOMCO        UPS
 28 V     5.5 A    154 W   189 W   1.4 A  
 27 V     5.5 A    149 W   162 W   1.3 A  (-0.1 dB net gain vs 28 V)
 26 V     5.4 A    140 W   162 W   1.3 A  (-0.4 dB net gain vs 28 V)
 25 V     5.4 A    135 W   162 W   1.3 A  (-0.8 dB net gain vs 28 V)
 24 V     5.3 A    128 W   162 W   1.3 A  (-1.3 dB net gain vs 28 V)
 23 V     5.3 A    122 W   135 W   1.1 A  (-1.8 dB net gain vs 28 V)
 22 V     5.3 A    117 W   135 W   1.1 A  (-2.4 dB net gain vs 28 V)
 21 V     5.2 A    110 W   135 W   1.1 A  (-3.2 dB net gain vs 28 V)
 20.6 V   5.1 A    105 W   135 W   1.1 A  (-3.5 dB net gain vs 28 V)

10/14/13 (pf)

Thermal testing

PA at 46.7 dBm, ambient 21 C

47.5 C no fans
32.7C/25.5C four fans
33.6C/25.8C two central fans

02/26/18 (pf)

Checked on fielded machines

KAP 43.6dBm 5.1A 26.3V = 134W
KAL 46.8dBm 7.0A 26.6V = 186W
KNA 46.4dBm 6.9A 26.6V = 183.5W
CON 46.2dBm 2.2A 26.6V = 58W ??
VIL 44.1dBm 2.0A 26.8V = 53.5W ??
QTA 36dBm 3.6A 25.9V = 84W

PATest