HD31256 RF Amplifier
Module
HD31256
| FREQUENCY RANGE800–2,500 MHz | OUTPUT POWER300 W minimum Psat |
| GAIN55 dB minimum | SUPPLY VOLTAGE32 VDC Nom |
| CONFIGURATIONModule | CATEGORYLow Frequency Module |
HD31256 electrical specifications
Source: HD31256 V2.6.pdf. Refer to the complete datasheet for all test conditions, optional ratings and protection limits.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating Frequency Range | 800 – 2500 MHz | |
| Power Output @ Psat | 300 W minimum | CW |
| Power Output @ P1 dB | 100 W typical | CW |
| Power Gain | 55 dB minimum | 0 dBm or less for rated Pout |
| Power Gain Flatness | 3.0 dB p-p maximum | Constant input power |
| Input Return Loss | -10 dB maximum | Relative to 50 Ohm |
| 2-Tone Intermodulation (IMD) | -30 dBc typical | 45 dBm/Tone, A = 1 MHz |
| Harmonics | -20 dBc typical | At rated Pout |
| Operating Voltage | 32 VDC Nom | |
| Current Consumption | 42 A maximum | At rated Pout |
HD31256 control and monitoring
| Pin | Function | Description |
|---|---|---|
| 1 | N/c | N/c |
| 2 | N/c | N/c |
| 5 | SHUTDOWN | Enable = TTL High or Open; Disable = TTL Low or Short |
| Al, A2 | VDD | 32 VDC |
| A3, A4 | 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 +75 °C | |
| Relative Humidity | up to 95% | Non-condensing |
| Altitude | 3000 meters |
Mechanical specifications and cooling
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Dimensions | 350 × 250 × 30 mm | Excluding connectors |
| RF Connectors In/Out | SMA female / Type-N Female | |
| DC Power / Interface Connector | 9 Pin Hybrid D-Sub | 9w4 |
| Cooling | External heatsink | Forced air required |
Use the original outline drawing for mounting-hole positions, connector clearances and ordered options.
HD31256 documentation
Download HD31256 V2.6.pdf for the complete specifications, test conditions, drawings and available options.
About HD31256
HD31256 is listed for 800–2,500 MHz operation.
Output: 300 W minimum Psat. Gain: 55 dB minimum. P1dB: 100 W typical. Preserve the rating definitions and conditions in the complete datasheet.
Supply: 32 VDC Nom. Cooling: External heatsink.
See the model-specific interface table above. Optional functions must be confirmed for the ordered unit.
Dimensions: 350 × 250 × 30 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.