FM TRANSMITTER
TR
EM
1000
HE
DIG
PLUS
COMPACT
Technical Manual 1v2 November 2019
73
3.9 Main Power Supply
The EM 1000 HE DIG PLUS COMPACT uses an AC/DC switching supply which work in parallel
for powering the elements composing the amplifier.
Figure: 2KW switching power supply
TECHNICAL SPECIFICATIONS
Input
Voltage
90-264VVAC, 127-370VDC
Frequency
47-63Hz
Efficiency
92% (typical)
AC Current
16A/115VAC 10A/230VAC (typical)
Power factor 0.97/230VAC 0.98/115VAC at full load (typical)
Output
DC Voltage
48V
Rated current
42A
Current range
0–42A
Rated power
2016W
Adjustable voltage range
300mVp-p
Voltage tolerance
42-56V
Line regulation
±1.0%
Load regulation
±0.5%
Protections
Overload
105-125% rated output power
Overvoltage
57.6–67.2V
Over-temperature
Shut down o/p voltage, automatically regains
after temperature goes down
General
Operation Temperature
-35 to +70°C
Storage Temperature
-40 to +85°C
Operation Humidity
20-90%HR without condensation
Storage Humidity
10-95%HR without condensation
Dimensions
295x127x41mm
Weight
1.95kg