HD31937 RF Amplifier
Module
HD31937
| FREQUENCY RANGE0.01–1,000 MHz | OUTPUT POWER2 W minimum Psat |
| GAIN33 dB minimum | SUPPLY VOLTAGE28 VDC Nom |
| CONFIGURATIONModule | CATEGORYLow Frequency Module |
HD31937 electrical specifications
Source: HD31937 V1.1.pdf. Refer to the complete datasheet for all test conditions, optional ratings and protection limits.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating Frequency Range | 0.009 – 1000 MHz | |
| Power Output Psat | 2 W minimum | CW |
| Power Output @ P1 dB GCP | >1 W typical | CW |
| Power Gain | 33 dB minimum | 0 dBm or less for rated Pout |
| Gain Flatness | 4.0 dB p-p maximum | Constant input power |
| Input Return Loss | -10 dB maximum | |
| Harmonics 2nd/3rd | -15 dBc maximum / -20 dBc typical | At rated Pout |
| 2-Tone Intermodulation (IMD) | -30 dBc typical | 23 dBm/Tone, A = 1 MHz |
| Spurious | -60 dBc maximum | Non-harmonics |
| Operating Voltage | 28 VDC Nom | |
| Current Consumption | 1.2 A maximum | At rated Pout |
HD31937 control and monitoring
| Pin | Function | Description |
|---|---|---|
| 1 | N/c | N/c |
| 2 | N/c | N/c |
| 6,7 | VDD | 28 VDC |
| 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 | up to 95 % | Non-condensing |
| Altitude | 3000 meters |
Mechanical specifications and cooling
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Dimensions | 100 × 80 × 27 mm | Excluding connectors |
| RF Connectors In/Out | SMA female | |
| DC Power / Interface Connector | 9-Pin D-Sub | Feed-thru connector |
| Cooling | External heatsink | Forced air required |
Use the original outline drawing for mounting-hole positions, connector clearances and ordered options.
HD31937 documentation
Download HD31937 V1.1.pdf for the complete specifications, test conditions, drawings and available options.
About HD31937
HD31937 is listed for 0.01–1,000 MHz operation.
Output: 2 W minimum Psat. Gain: 33 dB minimum. P1dB: >1 W typical. Preserve the rating definitions and conditions in the complete datasheet.
Supply: 28 VDC Nom. Cooling: External heatsink.
See the model-specific interface table above. Optional functions must be confirmed for the ordered unit.
Dimensions: 100 × 80 × 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.