HD31781 RF Amplifier
Module
HD31781
| FREQUENCY RANGE6,000–18,000 MHz | OUTPUT POWER8 W minimum Psat |
| GAIN40 dB minimum | SUPPLY VOLTAGE12 VDC +0.5 V |
| CONFIGURATIONModule | CATEGORYUltra High Frequency amplifier Module |
HD31781 electrical specifications
Source: HD31781 V1.3.pdf. Refer to the complete datasheet for all test conditions, optional ratings and protection limits.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating Frequency Range | 6.0 – 18.0 GHz | |
| Power Output Psat | 8 W minimum | CW |
| Small Signal Gain | 40 dB minimum | |
| Power Gain Flatness | 4.0 dB p-p maximum | |
| Input Return Loss | -10 dB maximum | 50 Ohm reference |
| Harmonics | <-15 dBc typical | At rated Pout |
| Noise Figure | 10 dB maximum | |
| Spurious | -60 dBc maximum | Non-harmonics |
| Operating Voltage | 12 VDC +0.5 V | |
| Current Consumption | 12 A maximum | At rated Pout |
HD31781 control and monitoring
| Pin | Function | Description |
|---|---|---|
| 1 | N/A | N/A |
| 2 | N/A | N/A |
| 8,9 | GND | Ground |
Confirm connector orientation and optional functions against the complete model-specific documentation before wiring.
Operating and storage conditions
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating Case Temperature | -20 to +65 °C | |
| Storage Temperature | -40 to +85 °C | |
| Relative Humidity | 5to 95% | Non-condensing |
Mechanical specifications and cooling
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Dimensions | 100 × 100 × 27 mm | Excluding connectors |
| RF Connectors In/Out | Hi Freq. SMA-female | |
| DC Power / Interface Connector | 9-Pin D-Sub | |
| Cooling | External heatsink | Forced air required |
Use the original outline drawing for mounting-hole positions, connector clearances and ordered options.
HD31781 documentation
Download HD31781 V1.3.pdf for the complete specifications, test conditions, drawings and available options.
About HD31781
HD31781 is listed for 6,000–18,000 MHz operation.
Output: 8 W minimum Psat. Gain: 40 dB minimum. Preserve the rating definitions and conditions in the complete datasheet.
Supply: 12 VDC +0.5 V. Cooling: External heatsink.
See the model-specific interface table above. Optional functions must be confirmed for the ordered unit.
Dimensions: 100 × 100 × 27 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.