5
Specifications
Commander VHF-144
2 Meter VHF Linear Power Amplifier
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Frequency Range: 144 to 148 MHz.
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Modes: USB, LSB, RTTY, FM, CW.
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Power Requirements: 200/234VAC 50/60 Hz.
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RF Drive Power: 10 to 15 Watts nominal; 30 Watts maximum, for full 1 KW (CW) output.
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Grid-trip Current: 70ma
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RF Output: 1 Kw pep (USB, LSB); 650 Watts cw FM, 450 Watts.
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Input Impedance: 50 Ohms unbalanced, front panel adjustable.
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Output Impedance: 50 Ohms nominal.
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Antenna Load (VSWR): 2:1 maximum.
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Harmonic Suppression: better than 60db down at rated output.
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Intermodulation Distortion: better than 35 dB down at rated output.
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Weight (with transformer): 43 lbs. (19.5 Kg).
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Cabinet Size: 14.5'' x 14.5'' x 6'' (36.8cm x 36.8 cm x 15.2 cm).
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Tube Compliment: one 3CPX800A7 ceramic pulse-rated metal triode.
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Cooling: pressurized chassis forced air, with a die cast bearing blower.
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Antenna Relay: DPDT; .1 dB insertion loss.
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Fuse: Type SFE; 234VAC and 200VAC operation: 15 Amp.
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Female AC plug on a 6’ 12ga 3-wire line cord included
Summary of Contents for COMMANDER VHF-144
Page 12: ...12 Commander VHF 144 HV Power Supply...
Page 13: ...13 AC Mains and Step Start Board VHF 144 13 5VAC...
Page 14: ...14 Control and Metering Board VHF 144...
Page 15: ...15 RF Deck VHF 144...
Page 16: ...16 Commander VHF 144 T R Relay Board...
Page 17: ...17 Commander VHF 144 Voltage Doubler Power Supply Board...
Page 20: ...20 Meter Board Cathode Fuse...
Page 21: ...21 Step Start Board AC Main Fuse 20A x 2 AC Interlock Step Start Relays x 4...
Page 22: ...22 Power Supply 470uF Capacitor 450 vdc x 8 HV Sense RF Output...
Page 23: ...23...
