Skywalker 500W Specifications
Power output:
| SSB | 500W PEP |
| CW,FM | 500W (at 50% duty cycle) |
| AM | 125W carrier, 500W PEP |
Drive power for rated output: 20-40 W typical
Frequency range: 1.6-30 MHz continuous
Input voltage recommended: 14-15 VDC
Input voltage acceptable range: 10-16 VDC
Max. input current: 75A
Efficiency: 50-55% avg
Duty cycle:
| SSB | Continuous voice modulation |
| CW/RTTY | 50% |
Keying: PTT line, 10 mA sinking to ground via RCA jack, optional RF sensing
T/R switching time: 20 mS
Transceivers supported: IC706MKII, FT100, TS570S, and ALL other amateur exciters
Operating class: AB with separate regulated bias circuits for each module
Modes supported: SSB, CW, RTTY, AM
Thermal protection: 130 F limit switch, auto reset
Cooling: Two 120 mm muffin fans on heatsink and one 60mm muffin fan internal
Metering: Collector voltage, current
Transistors: 4-2SC2879
Input/Output Impedence: 50 ohm unbalanced, VSWR 2:1 max
RF connections: SO-239 sockets
Power connections: 3/8" Dia. bolts for + and -
Dimensions: 6.5"H x 12"W x 7"D
Weight: 8 lb.