Qorvo QPA1111 8.5–10.5GHz 30W X-Band GaN Power Amplifier
Qorvo QPA1111 X-Band GaN Power Amplifier
The QPA1111 from Qorvo is a high-power, packaged X-band MMIC power amplifier operating from 8.5 to 10.5GHz. Fabricated using Qorvo’s production 0.15µm GaN-on-SiC QGaN15 process, the device typically delivers 45dBm output power, equivalent to approximately 31.6W, under the specified pulsed operating conditions.
The QPA1111 also provides approximately 38dB small-signal gain, 27dB power gain and 45% power-added efficiency. Its compact 6 × 6mm QFN package makes it suitable for high-power radar and communication transmitters where RF performance and PCB space are important.
QPA1111 Specifications
| Parameter | Value |
| Mfr. Part # | QPA1111 |
| Manufacturer | Qorvo |
| Product Type | X-Band GaN MMIC Power Amplifier |
| Frequency Range | 8.5–10.5GHz |
| Output Power | 45dBm typical |
| Output Power in Watts | Approximately 31.6W |
| Small-Signal Gain | 38dB |
| Power Gain | 27dB at 18dBm input |
| Power-Added Efficiency | 45% |
| Drain Voltage | 22V |
| Quiescent Drain Current | 620mA |
| Typical Gate Voltage | −2.3V |
| Reference Pulse Width | 100µs |
| Reference Duty Cycle | 10% |
| RF Impedance | 50Ω |
| Semiconductor Technology | GaN-on-SiC |
| Process | 0.15µm QGaN15 |
| Package/Case | QFN |
| Package Dimensions | 6.0 × 6.0 × 0.85mm |
Typical Applications
The QPA1111 is suitable for:
X-band radar transmitters
Phased-array and AESA radar
Commercial radar systems
Military radar systems
Satellite communication equipment
Defense communication systems
Pulsed microwave transmitters
High-power X-band RF front ends
Test and measurement equipment
Qorvo identifies radar and satellite communications as primary application categories for the QPA1111.
Frequently Asked Questions
What is the QPA1111?
The QPA1111 is an 8.5–10.5GHz packaged X-band GaN-on-SiC MMIC power amplifier manufactured by Qorvo.
What is the output power of the QPA1111?
The QPA1111 typically provides 45dBm output power, equivalent to approximately 31.6W, under Qorvo’s specified pulsed test conditions.
Is the QPA1111 a 30W amplifier?
Yes. Qorvo describes the QPA1111 as a 30W X-band power amplifier. The published performance is based on specified bias, pulse-width, duty-cycle and input-power conditions.
What gain does the QPA1111 provide?
The device provides approximately 38dB small-signal gain and 27dB power gain at an input power of 18dBm.
What is the power-added efficiency?
The QPA1111 provides approximately 45% power-added efficiency under the published reference conditions.
What supply voltage does the QPA1111 require?
The published operating conditions use a 22V drain supply with approximately 620mA quiescent drain current.
What is the QPA1111 package?
The QPA1111 is supplied in a 6.0 × 6.0 × 0.85mm QFN surface-mount package.
Is the QPA1111 suitable for continuous-wave operation?
The main performance values are published under pulsed test conditions. Designers requiring continuous-wave operation should review the latest datasheet and confirm thermal and electrical limits for their application.
Is the QPA1111 suitable for radar?
Yes. The operating frequency, output power, gain and compact package make it suitable for X-band radar and phased-array transmitter applications.
Is a QPA1111 evaluation board available?
Yes. The QPA1111EVB evaluation board is available for RF testing and prototype development.
How can I request a QPA1111 quotation?
Provide the required quantity, destination country, target delivery date and application information. DataStorageIC will check the latest price, availability and lead time.
