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PA101

PA 1-01 (Updated 06/08/2016)

Test Frequency : 16.04 MHz TOMCO serial number 6171 0.1-30 MHz
WERLATONE serial number 96388 1-30 MHz
FILTER serial number (no serial number) 16 MHz (*doug williams)

Settings

• AUTO DHCP - ok
• FRONT LED - ok; when no load, LED OFF - ok
• default db in = 1dBm

Power Supply Measurements

AC voltage setting: 115 V
DC voltage (V): 26.5
Ammeter reading: 1.6 A
UPS power load w/ 2dBm input(W): not available

Updates: 10k Ohm on C3, Rabbit Firmware: 05/19/2016

Signal Measurements

• RF power meter: Mini Circuits PWR-SEN-6GHS+ USB power sensor
• internal attenuator set at 1 dBm
• power meter 50 dBm offset applied for measurements at Tomco output and rear panel connectors

Temperature Measurements

• temperature meter: DM6802B Digital Thermometer

-- old notes --

Spectrum Analyzer Images

Input Signal
After Power Amplifier (w/ 50 dB atten)
Output Connector (w/ 50 dB atten)
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)