NP-2520:RF amplifier system 3MHz to 90 MHz 50 watt
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NP Technologies Model NP-2520
The NP-2520 is a 50 watt CW, rack mountable amplifier system designed to operate over the frequency range of 3MHz to 90 MHz with a gain of 45dB. The NP-2520 operates from 95 to 255 VAC 47/63 Hz, with RF input drive levels up to +5dBm. The NP-2520 is a self contained unit consisting of the RF amplifier, AC to DC power supply, back panel shut down BNC connector and cooling fans.
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ELECTRICAL SPECIFICATION @ Temp.=25°C, 50Ω System
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Operating Frequency |
BW |
3 |
- |
90 |
MHz |
Power Output Saturated |
Psat |
- |
100 |
- |
Watt |
Power Output P-1dB |
P-1dB |
- |
50 |
- |
Watt |
Gain |
G |
43 |
47 |
- |
dB |
Small Signal Gain Flatness |
ΔG |
- |
±1 |
- |
dB |
Input VSWR |
S11 |
- |
- |
1.3:1 |
- |
Harmonics @ 50 Watts 2nd / 3rd |
H |
- |
-40 / -24 |
-35 / -20 |
dBc |
Inter-modulation Point
2 Tones, 5W per tone @ 50 & 51 MHz |
IP3 |
- |
+57 |
- |
dBm |
Spurious Signals |
dBc |
- |
-70 |
-60 |
dBc |
Operating Voltage |
Vdc |
95 |
- |
255 |
Volt |
Operating Current @ 110-120 VAC |
Amps |
- |
5 |
- |
Amp |
Enable / Disable (shut down pin: gnd=off, open=on) |
ms |
Typical: 1ms off, 10ms on. |
ms |
MECHANICAL SPECIFICATIONS
Parameter |
Description |
Limits |
Units |
Dimentions |
19 x 3.5 x 18.125 |
Max |
Inch |
RF Connectors In / Out |
N |
- |
- |
DC Connectors |
N/A |
- |
- |
Cooling |
3.25" fan and heat-sink |
- |
- |
Weight |
20 |
Typ |
lb |
PROTECTIONS
Thermal Shutdown |
Bi-metal switch set at 70°C with self reset |
Typ |
Input Overdrive |
Fold-back overdrive protection to 20dBm. |
Max |
Load VSWR |
4.0:1 up to 50 watts |
Max |
Reverse Polarity Protection |
N/A |
- |
ENVIRONMENTAL CHARACTERISTICS
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Operating Case Temperature |
Tc |
0°C |
- |
50°C |
°C |
Storage Temperature |
Tstg |
-30°C |
- |
100°C |
°C |
Relative humidity non-condensation |
RH |
95 |
- |
- |
% |
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