HD33337 RF Amplifier
Module
HD33337
| FREQUENCY RANGE20–520 MHz | SATURATED OUTPUT (PSAT)170 W minimum CW |
| POWER GAIN52 dB minimum | SUPPLY VOLTAGE30–32 VDC |
| CONFIGURATIONModule | CATEGORYLow Frequency Amplifier Module |
HD33337 electrical specifications
From the matching HD33337 V1.3 datasheet. Test conditions: 50 Ω, 25 °C. Minimum, maximum and typical ratings retain the datasheet qualifiers.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating frequency | 20–520 MHz | — |
| Saturated output (Psat) | 170 W minimum | CW |
| Power gain | 52 dB minimum | — |
| Gain flatness | 3.0 dB p-p maximum | Pin = 0 dBm |
| Input return loss | −10 dB maximum | Relative to 50 Ω |
| Two-tone IMD | −30 dBc typical | 42 dBm/tone; Δ = 1 MHz |
| Harmonics | 2nd <−20 dBc; 3rd <−12 dBc, typical | At rated output |
| Spurious | −60 dBc maximum | Non-harmonic |
| Operating voltage | 30–32 VDC | — |
| Current consumption | 13 A maximum | At rated output |
| Input power protection | +8 dBm maximum | Less than 10 seconds without damage |
| Load VSWR protection | 5:1 maximum | Less than 1 minute at rated output |
| Turn on / off speed | 5 µs maximum | Optional |
HD33337 interface and pin assignments
Pin assignments from the matching HD33337 datasheet. Optional signals are identified separately from standard connections.
| Pin | Function | Description |
|---|---|---|
| 1 | FWD | Option 101 |
| 2 | VVA | Option 103 |
| 3 | Current sensor | 20 mV / 100 mA typical |
| 4 | Temperature sensor | 10 mV/°C + 500 mV |
| 5 | Shutdown | Enable: TTL high or open; disable: TTL low or short |
| 6, 7 | VDD | 30 VDC |
| 8, 9 | GND | Ground |
HD33337 operating and storage conditions
Environmental limits from the matching model datasheet.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating case temperature | −20 to +75 °C | — |
| Storage temperature | −40 to +85 °C | — |
| Relative humidity | 5–95% | Non-condensing |
HD33337 mechanical specifications and cooling
Use the model-specific outline drawing in the PDF when planning mounting and connector clearance.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Dimensions | 200 × 100 × 27 mm | Excluding connectors |
| Weight | 950 g | — |
| RF input / output | SMA female | — |
| Power / interface connector | 9-pin D-Sub | — |
| Cooling | External heatsink | Forced air required |
HD33337 documentation
The linked file is HD33337 V1.3.pdf, matched to HD33337. It contains electrical, environmental and mechanical specifications, pin assignments and outline drawings. Check the drawings for the selected options; specifications and drawings may vary with options.
About HD33337
The HD33337 datasheet lists 20–520 MHz.
Saturated output (Psat): 170 W minimum; CW.
30–32 VDC. Current consumption: 13 A maximum; at rated output.
Pin 1: FWD — Option 101. Pin 2: VVA — Option 103. Pin 3: Current sensor — 20 mV / 100 mA typical. Pin 4: Temperature sensor — 10 mV/°C + 500 mV. Pin 5: Shutdown — Enable: TTL high or open; disable: TTL low or short. Pin 6, 7: VDD — 30 VDC. Pin 8, 9: GND — Ground.
External heatsink; Forced air required. Operating case temperature: −20 to +75 °C. Storage temperature: −40 to +85 °C.
Input power protection: +8 dBm maximum; less than 10 seconds without damage. Load VSWR protection: 5:1 maximum; less than 1 minute at rated output.
Open HD33337 V1.3.pdf for the complete ratings, pin assignments or control options, and outline drawings.