ADPA1106

RECOMMENDED FOR NEW DESIGNS

46 dBm (40 W), 2.7 GHz to 3.5 GHz, GaN Power Amplifier

Data Sheet (Rev. A) Product Selection Table
Part Models
2
1ku List Price
Starting From $352.17
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Part Details

  • Frequency range: 2.7 GHz to 3.5 GHz
  • POUT: 46 dBm typical with PIN = 21 dBm at 2.7 GHz to 3.1 GHz
  • Power gain: 25 dB typical with PIN = 21 dBm at 2.7 GHz to 3.1 GHz
  • Small signal gain: 34.5 dB typical at 2.7 GHz to 3.1 GHz
  • PAE: 56% typical with PIN = 21 dBm at 2.7 GHz to 3.1 GHz
  • Supply voltage: VDD = 50 V at IDQ = 300 mA with 10% duty cycle
  • 32-lead, 5 mm × 5 mm LFCSP_CAV package
ADPA1106
46 dBm (40 W), 2.7 GHz to 3.5 GHz, GaN Power Amplifier
ADPA1106 Functional Block Diagram ADPA1106 Pin Configuration
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Documentation

Data Sheet 1

User Guide 1

Application Note 2

Technical Articles 1

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Tools & Simulations

S-Parameter 1

Evaluation Kits

eval board
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ADPULSERPLUSEBZ

Pulser Plus Reference Design for GaN PA Biasing and Sequencing

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Features and Benefits

  • Complete Bias Control and Sequencing Solution for Pulsed GaN Radar Power Amplifiers
  • Pin Compatible with ADI's existing Pulser Board and with ADI's GaN Power Amplifier Evaluation Boards
  • Operation in Drain Pulsed Mode or Gate Pulsed Mode
  • Optional Crowbar Circuit for Fast Turn Off in Drain Pulsed Mode
  • Single 24 V to 50 V Power Supply with on-board Negative Gate Voltage Generation.
  • Drain Current Monitoring Circuit

Product Details

Pulser Plus is a reference design for biasing Gallium Nitride RF Power Amplifiers. It plugs directly into Analog Devices’ GaN PA evaluation boards such as ADPA1106 and ADPA1107. The only input signals required to control and operate the board are a power supply voltage between 24 V and 50V and a 0V/3V signal on the Drain Pulse Enable or Gate Pulse Enable digital inputs.

Pulser Plus was specifically designed to enable fast pulsing of GaN Radar Power Amplifiers. It can support RF pulses as short as 1us and with rise and fall times of less than 100 ns in both Drain Pulsed mode and Gate Pulsed Mode.

eval board
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EVAL-ADPA1106

Evaluating the ADPA1106 46 dBm (40 W), 2.7 GHz to 3.5 GHz, GaN Power Amplifier

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Features and Benefits

  • 2-layer Rogers 4350B evaluation board with heat spreader
  • End launch SMA jack RF connectors
  • Through calibration path
  • Drain or gate pulsing capability

Product Details

The ADPA1106-EVALZ consists of a 2-layer printed circuit board (PCB) fabricated from a 10 mil thick, Rogers 4350B copper clad mounted to an aluminum heat spreader. The heat spreader assists in providing thermal relief to the device as well as mechanical support to the PCB. Mounting holes on the heat spreader allow the spreader to be attached to a heat sink. Alternatively, the spreader can be clamped to a hot and cold plate. The RFIN and RFOUT ports on the ADPA1106-EVALZ are populated by Subminiature Version A (SMA) female coaxial connectors, and the respective RF traces have a 50 Ω characteristic impedance. The ADPA1106-EVALZ is populated with components suitable for use over the entire operating temperature range of the device. To calibrate board trace losses, a through calibration path is provided between the J6 and J5 connectors. J6 and J5 must be populated with SMA RF connectors to use the through calibration path.

Ground, power, gate control, and the detector output voltage are provided through the two 24-pin headers (P4 and P5) on the ADPA1106-EVALZ. The pinouts for these two headers are shown in Table 1 of the user guide.

RF traces on the ADPA1106-EVALZ are 50 Ω, grounded, coplanar waveguide. The package ground leads and the exposed paddle connect directly to the ground plane. Multiple vias connect the top and bottom ground planes with particular focus on the area directly beneath the ground pad to provide adequate electrical conduction and thermal conduction to the heat spreader.

The ADPA1106-EVALZ ships with a drain pulser board that can be plugged into the ADPA1106-EVALZ headers and configured to control the biasing of the ADPA1106 by providing a negative gate voltage and a control signal that connects and disconnects the drain voltage to the ADPA1106-EVALZ. The ADPA1106-EVALZ can also operate alone in gate pulsed mode where a negative pulse is applied to the VGG1 and VGG2 pins of the ADPA1106.

For full details on the ADPA1106, see the ADPA1106 data sheet, which must be consulted in conjunction with the user guide when using the ADPA1106-EVALZ.
ADPULSERPLUSEBZ
Pulser Plus Reference Design for GaN PA Biasing and Sequencing
ADPULSERPLUSEBZ Angle View ADPULSERPLUSEBZ Bottom View ADPULSERPLUSEBZ Top View ADPULSERPLUSEBZ Pulser Plus Block Diagram ADPULSERPLUSEBZ Drain Pulsed Mode Block Diagam
EVAL-ADPA1106
Evaluating the ADPA1106 46 dBm (40 W), 2.7 GHz to 3.5 GHz, GaN Power Amplifier
ADPA1106 Evaluation Board Angle ADPA1106 Evaluation Board Top ADPA1106 Evaluation Board Bottom

Latest Discussions

7 Weeks Ago
questions about pcb stack related to PCB thermal design
8 Weeks Ago
aging effect, will the phase relation input to output change over time?
9 Weeks Ago
Is there an option to compensate the phase change versus temperature
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