HD31858 RF Amplifier
Module
HD31858
| FREQUENCY RANGE400–500 MHz | OUTPUT POWER5 W typical Psat |
| GAIN37 dB minimum | SUPPLY VOLTAGE12 VDC Nom |
| CONFIGURATIONModule | CATEGORYLow Frequency Module |
HD31858 electrical specifications
Source: HD31858 V1.3.pdf. Refer to the complete datasheet for all test conditions, optional ratings and protection limits.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating Frequency Range | 400 – 500 MHz | |
| Power Output @ Psat | 5 W typical | Cw |
| Power Gain | 37 dB minimum | 0 dBm or less for rated Pout |
| Power Gain Flatness | 1.0 dB p-p maximum | Constant input power |
| Input Return Loss | -10 dB minimum | Relative to 50 Ohm |
| 2-Tone Intermodulation (IMD) | -30 dBc maximum | 30 dBm/Tone, A = 1 MHz |
| Spurious | -60 dBc maximum | Non-harmonics |
| Operating Voltage | 12 VDC Nom | |
| Current Consumption | 3 A maximum | At rated Pout |
HD31858 control and monitoring
| Pin | Function | Description |
|---|---|---|
| 1 | FWD | Option-101 (With larger housing dimensions) |
| 2 | REV | Option-102 (With larger housing dimensions) |
| 5 | SHUTDOWN | Enable = TTL High or Open; Disable = TTL Low or Short |
| 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 +75 °C | |
| Storage Temperature | -40 to +85 °C | |
| Relative Humidity | 5to95% | Non-condensation |
Mechanical specifications and cooling
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Dimensions | 125 × 63 × 27 mm | Excluding connectors |
| RF Connectors In/Out | 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.
HD31858 documentation
Download HD31858 V1.3.pdf for the complete specifications, test conditions, drawings and available options.
About HD31858
HD31858 is listed for 400–500 MHz operation.
Output: 5 W typical Psat. Gain: 37 dB minimum. Preserve the rating definitions and conditions in the complete datasheet.
Supply: 12 VDC Nom. Cooling: External heatsink.
See the model-specific interface table above. Optional functions must be confirmed for the ordered unit.
Dimensions: 125 × 63 × 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.