NP-511: RF amplifier Class "A" 400-1000 MHz 70 watt
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NP Technologies Model NP-511
Designed for linear application in the 400 to 1000 MHz range. This amplifier utilizes class “A” 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 |
400 |
- |
1000 |
MHz |
Power Output Saturated |
Psat |
- |
70 |
- |
Watt |
Power Output P-1dB |
P-1dB |
- |
50 |
- |
Watt |
Gain |
G |
45 |
48 |
- |
dB |
Small Signal Gain Flatness |
ΔG |
- |
±0.5 |
±1 |
dB |
Input VSWR |
S11 |
- |
1.45:1 |
1.55:1 |
- |
Harmonics @ 20 Watts |
H |
- |
-40 |
-28 |
dBc |
Inter-modulation Point
2 Tones, 5W per tone @ 950 & 951 MHz |
IP3 |
- |
+55 |
- |
dBm |
Spurious Signals |
dBc |
- |
-70 |
-60 |
dBc |
Operating Voltage |
Vdc |
24 |
28 |
30 |
Volt |
Operating Current @ 20 Watts |
Amps |
- |
8.5 |
10 |
Amp |
Enable / Disable (shut down pin: gnd=off, open=on) |
ms |
Typical: 1ms OFF, 10ms ON. |
ms |
MECHANICAL SPECIFICATIONS
Parameter |
Description |
Limits |
Units |
Dimentions |
9.75 x 7.30 x 6.5 |
Max |
Inch |
RF Connectors In / Out |
SMA |
- |
- |
DC Connectors |
Filtered feed-through |
- |
- |
Cooling |
4" Fan and Heatsink |
- |
- |
Weight |
8.75 |
Max |
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 20 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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- |
% |
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