DEM Part Number 23 70PA, 2370PAS, 2370PAHS, an d 2370PA S HS
Frequency range:
1240 to 1300 MHz
Power Out (at 1 dB compression):
65 Watts
Power Out (saturated):
>80 Watts
Power Input for rated power out:
6 Watts max., 3-4 Watts linear
Power requirements:
13.8 VDC @ 20 amps.
Connectors:
Type "N" female
Size:
10" L x 7" W x 3.5" H (standard)
12" L x 10" W x 3.5" H on PAHS model
Active devices:
4 M57762
Options:
PAS - T/R switch
PAHS - Extra large heat sink
65 Watts, 1240 to 1300 MHz Linear Amplifier
Specifications
Instructions for Use
The 2370PA is a broadband linear power amplifier covering the entire 1240-1300 MHz band
with no tuning. It has a linear power output of 65 Watts min. with 3-4 Watts of drive or a saturated
output of over 80 Watts with a maximum of 6 Watts of drive. Type "N" connectors are used on
both input and output. The 2370PA requires well regulated 13.8 VDC at 20 A for full power output.
Keying is done by PTT to ground and will source approximately 20 mA. A T/R switched version is
available (2370PAS) along with a ATV or repeater version with an extra large heat sink for
continuous duty operation (2370PAHS). A combination of both is also available (2370PASHS)
Caution:
cables on both RF connections. Install the amplifier with the heat sink on top or with the fins
vertical so the amplifier will convection-cool. A fan should be used in continuous duty applications
to blow air through the heat sink fins. It is recommended not to keep the amplifier continuously
keyed in a Repeater or ATV use.
Do not exceed 6 Watts RF input, or 13.8 volts on the DC line. Use high quality coaxial
/Built/2370pa.doc 1 Rev. A 12/6/11
13.8
RF OUT
INPUT
13.8
PTT
to GND
RF IN
6W max.
RF OUT
Heat Sink
Ground
Ground
to transmit
13.8V
4.75"
7"
7.5"
10"
Note: The heat sink option model is 12" L x 10" W
/Built/2370pa.doc 2 Rev. A 12/6/11
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