DB ELETTRONICA TELECOMUNICAZIONI S.p.A.
PM 1000 – 1 kW FM Broadcasting Transmitter - USER’S MANUAL
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5.3 RS-75-24 SWITCHING POWER SUPPLY
This switching power supply board converts the input voltage from the mains to +24VDC to feed
the boards inside the CLU unit.
RS 75-24 CHARACTERISTICS
OUTPUT
DC voltage 24V
Rated current 3.2A
Current range 0 – 3.2A
Rated Power 768W
Ripple & noise (max) 120mVp-p
Voltage ajd range 22 – 27.6V
Voltage tolerance ± 1.0%
Line regulation ± 0.5%
Load regulation ± 0.5%
Setup, rise, hold time 500ms, 30ms, 50 ms/230VAC
1200ms, 30ms, 12ms/115VAC at full load
INPUT
Voltage range 88 – 264 VAC
Frequency range 47 – 63 Hz
Efficiency 85%
AC current 2A/115VAC 1.2A/230VAC
Inrush current (max) Cold start 40A/230VAC
Leakage current <2mA/240VAC