Part Number: QBS-598
Broadband 100 Watt GaN Power Amplifier
30 to 512 MHz High Power, Class AB Design for Military Communications
Features
•
•
•
•
•
100 Watts Typical Output Power @ P1dB
Push-Pull Configuration
Microprocessor Based Control
Integrated Heat Sink
Lightweight Package; 1.25 lbs. Max
API Technologies’ Model QBS-598 is a high power, class AB amplifier utilizing the latest GaN technology to offer broadband
performance from 30 to 512 MHz in support of critical communication requirements for both commercial and military
applications. The two stage push-pull design incorporates a microprocessor, and a high efficiency DC to DC converter to
promote operation over a wide DC input voltage range of +22 to +32 VDC. Over this power supply window, the amplifier draws
9 amps at rated output power for 1dB compression, which is typically 100W, and has a saturated gain of approximately 30 dB.
The integrated microprocessor allows for power supply sequencing, transistor bias optimization, temperature compensation,
and fault monitoring. This rugged, high reliability GaN based amplifier is configured in a lightweight aluminum housing with an
integrated heat sink. It is capable of performing in adverse environments and will not be damaged operating into a 10:1 load
mismatch at full rated power.
(1)
Technical Specifications
Absolute Maximum Ratings
Typical
25°C
Min/Max
-40°C to +55°C
Parameter
Unit
Parameter
Specification
Frequency Range
Power Gain (2)
MHz
dB
30 - 512
32
30 - 512
29 min.
DC Voltage
+32.0 Vdc
+27 dBm
RF Input Power
Input Return Loss
Noise Figure
dB
-17
-10 min.
7.5 max.
+49 min.
+50 min.
-15 max.
-10 max.
—
Operating Case
Temperature (3)
- 40oC to +70oC
- 55oC to +125oC
dB
6.0
POUT @ 1dB Compression
POUT @ 3dB Compression
2nd Harmonic (2)
dBm
dBm
dBc
dBc
dBc
Vdc
A
+50
+51
-17
Storage Temperature
Notes:
3rd Harmonic (2)
-11
1. Specification ratings are based on
measurements in a 50 ohm system at a
nominal DC power of +28 V.
Spurious Signals
DC Voltage
< -70
+28
0.6
+22 to +32
1.5 max.
10.0 max.
2. POUT = 80W
3. Maximum Operating Case Temperature is
defined as the baseplate temperature
which, if exceeded for extended periods,
could result in premature unit failure.
This data is provided for user reliability
information. This may or may not
DC Current (Quiescent)
DC Current @ POUT = 80W
PA Enable
A
9.0
TTL
Logic 1: Active / Logic 0: Current < 0.25A
PA Enable Switching Time µsec
—
20
represent the maximum temperature for
electrical parameter specifications.
Mechanical Specifications
Parameter
Specification
Comments
Package (non-hermetic)
Finish
RF In / Out Connectors
DC/CTRL Connector
API Dwg: 080-25517
Clear Iridite
SMA Female
15 Pin D-Sub (Male)
6061-T6 Al Alloy
MIL-DTL-5541F, Class 3
4-Hole Flange Mount
Standard Density
Rev Date: 5/9/2014
Page # 1
© API Technologies Corp. Proprietary Information
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www.apitech.com
|
micro.apitech.com
|
+1.888.553.7531
|
MicrowaveSales@apitech.com
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