Diamond Engineering Power Amplifiers
Ultra Broadband Power Amplifiers PDF Print E-mail

GaN Broadband High Power Amplifier

DEPA50-4000/5 ALLmax

50MHz - 4GHz / 5Watts

The DEPA50-4000/5 power amplifier is ideal for broadband applications such as instrumentation or 802.16 , WiFi, WiMax, RFID or Software Defined Radios. This amplifier utilizes the latest ultra linear highly efficient GaN devices. The DEPA50-4000/5 offers an ultra small size and operates from a single supply
Class AB or Class A operation
Instantaneous ultra broadband
RF Power control & Blanking
Low harmonic content and spurious output
Suitable for CW/FM/PM/AM/Digital modulation
50 Ohm Input/Output
Single Power Supply operation with bias sequencer
Small compact size * Optional copper heat sink (cooling required)
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ELECTRICAL SPECIFICATIONS

VD = +28VDC, IDQ = 750MA,T=25 C, 50 Ohm System

Parameter Symbol Min Typ Max Unit
Operating Frequency BW(3dB) 50
4000 MHz
Power Output CW @ Pin = +0 dBm Po 33 38 40 dBm
Power Gain @ Pout = +37dBm (3 Watt) Pg 31 35 39 dB
Power Gain (Small Signal) S21dB 35 36 39 dB
Input VSWR -

2.0:1 -
Output Load Tolerance in 50 ohm system


2.0:1 -
Harmonics @ Pout = +37dBm -
-14
dBc
Inter-Modulation Distortion Pout=4W 2-Tone, = 10MHz IMD -10 -15 -20 dBc
Spurious Signals Spurs



Efficiency Eff 10 18 33 %
Operating Voltage VD 27 28 30 Volt DC
Operating Current (Pin in = 0dBm) IDQ .8 1.25 2.0 A
Operating Current (Po = +37dBm) IDO
2.0 2.5 A
RFin MAX -

30 dBm
Protection Over voltage and reverse voltage protection


MECHANICAL SPECIFICATIONS

Dimensions (no heat sink) L = 1.8” W = 1.0” H = .5”


Weight (no heat sink)
1.8 1.9 2.0 Oz
RF Connectors I/O SMA -Female



DC Connector EMI Pin
x x x