HD31621 RF Amplifier
System
2,800–3,600 MHz · Peak pulse output with band-edge qualifications · 60 dB minimum gain
HD31621
HD31621 is a 2.8–3.6 GHz rackmount pulse amplifier system using a Class AB linear GaN design. Its V1.2 datasheet specifies 60 dB minimum power gain, a built-in fast pulse modulator and variable-speed fan cooling. Review the frequency-dependent peak-power limits, pulse timing and ordered control options before selection.
| FREQUENCY RANGE2,800–3,600 MHz | OUTPUT POWER800 W minimum peak pulse across the full band; 1000 W minimum outside the band-edge ranges |
| GAIN60 dB minimum | SUPPLY VOLTAGE100 – 240 VAC, 50 – 60Hz |
| CONFIGURATIONSystem | CATEGORYPulse Amplifier System |
The HD31621 V1.2 datasheet specifies 1000 W minimum peak pulse output, with 800 W minimum / 1000 W typical from 2.8–2.9 GHz and 3.5–3.6 GHz. Maximum pulse conditions: 120 µs width and 10% duty cycle; pulse droop <1 dB. Electrical specifications are stated at 50 Ω and 25 °C.
HD31621 electrical specifications
Source: HD31621 (2.8 – 3.6GHz, 1000W, 60dB) V1.2.pdf. Refer to the complete datasheet for all test conditions, optional ratings and protection limits.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating Frequency | 2.8 – 3.6 GHz | |
| Power Gain | 60 dB minimum | |
| Pulse Rise / Fall Time | 75 nS maximum | Nominal Peak Power 10% – 90% |
| Switching Delay Time (Td) | 200 ns typical | |
| Power Gain Flatness | 3 dB p-p maximum | |
| Harmonics | -30 dBc maximum | |
| Spurious | -60 dBc maximum | Non-harmonics |
| Operating Voltage | 100 – 240 VAC, 50 – 60Hz | |
| Power Consumption | 1000 W maximum | At 1 kW peak pulse |
| Peak pulse power output | 1000 W minimum | 800 W minimum / 1000 W typical from 2.8–2.9 and 3.5–3.6 GHz |
| Pulse width | 120 µs maximum | Maximum rating |
| Duty cycle | 10% maximum | Maximum rating |
| Pulse droop | <1 dB | Maximum rating |
HD31621 control and monitoring
| Parameter | Specification | Conditions / notes |
|---|---|---|
| RF Connectors In/Out | Type-N Female | |
| AC Power / Interface Connector | IEC 60320-C14 / 9-Pin D-Sub | Or equivalent |
Confirm connector orientation and optional functions against the complete model-specific documentation before wiring.
Operating and storage conditions
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Storage Temperature | -40 to +85 °C | |
| Relative Humidity | 5 to 95% | Non-condensing |
| Operating ambient temperature | 0 to +50 °C |
Mechanical specifications and cooling
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Dimensions W x H x D | 430 × 133.3 × 560 mm | 3U – Excluding handles |
| RF Connectors In/Out | Type-N Female | |
| Pulse Gating Input | BNC-F | 2.4 V ±0.25 V switching threshold |
| AC Power / Interface Connector | IEC 60320-C14 / 9-Pin D-Sub | Or equivalent |
| Cooling | Built-in fan cooling | Variable speed |
| OPTION: Digital LCD Monitor & Control FWD, REV, VSWR, GAIN, ALC, V & |, TEMP | Ethernet RJ-45 TCP/IP, RS422/485, USB Optional GPIB Interface | Optional Remote Bluetooth application |
| Weight | 20 kg |
Use the original outline drawing for mounting-hole positions, connector clearances and ordered options.
HD31621 documentation
Download HD31621 (2.8 – 3.6GHz, 1000W, 60dB) V1.2.pdf for the complete specifications, test conditions, drawings and available options.
About HD31621
HD31621 is listed for 2,800–3,600 MHz operation.
The HD31621 V1.2 datasheet specifies 1000 W minimum peak pulse output, with 800 W minimum / 1000 W typical from 2.8–2.9 GHz and 3.5–3.6 GHz. Maximum pulse conditions: 120 µs width and 10% duty cycle; pulse droop <1 dB. Electrical specifications are stated at 50 Ω and 25 °C. Power gain is 60 dB minimum.
Supply: 100 – 240 VAC, 50 – 60Hz. Cooling: Built-in fan cooling.
Review the matching datasheet and confirm the required interface and monitoring options when requesting a quote.
Dimensions: 430 × 133.3 × 560 mm. Review the mechanical table and original outline drawing before planning mounting and connector clearances.
Protection ratings are subject to the datasheet conditions and time limits. They do not imply unlimited operation under overload or mismatch.