NP-520: RF amplifier 3-90 MHz Linear 50 watts
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NP Technologies Model NP-520
Designed for linear application in the 3 to 90 MHz range. The NP-520 amplifier utilizes RF Power MOSFET devices that provide high gain, wide dynamic range and an excellent 3rd order intercept point. Suggested applications: multi-carrier, pulse, AM & FM modulation.
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ELECTRICAL SPECIFICATION @ VDD = +28VDC: 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 |
45 |
- |
dB |
Small Signal Gain Flatness |
ΔG |
- |
±1 |
±1 |
dB |
Input VSWR |
S11 |
- |
|
1.3:1 |
- |
Harmonics @ 50 watts 2nd / 3rd |
H |
- |
-40/124 |
-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 |
24 |
28 |
30 |
Volt |
Operating Current @ 50 Watts |
Amps |
- |
7 |
|
Amp |
Enable / Disable (shut down pin: gnd=off, open=on) |
ms |
Typical: 1ms OFF, 10ms ON. |
ms |
MECHANICAL SPECIFICATIONS
Parameter |
Description |
Limits |
Units |
Dimentions |
3" x 8.0" x 1.25" |
Max |
Inch |
RF Connectors In / Out |
SMA |
- |
- |
DC Connectors |
Filtered feed-through |
- |
- |
Cooling |
Heatsink not included |
- |
- |
Weight |
1.25 |
Typical |
lb |
PROTECTIONS
Thermal Shutdown |
Bi-metal switch set at 70°C with self reset |
Typ |
Input Overdrive |
Foldback overdrive protection to 20 dBm |
Max |
Load VSWR |
4.0:1 up to 50 watts |
Max |
Reverse Polarity Protection |
Included |
- |
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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