HD33742 RF Amplifier
System
HD33742
| FREQUENCY RANGE1,000–6,000 MHz | SATURATED OUTPUT (PSAT)300 W minimum, CW or pulse |
| POWER GAIN55 dB minimum | SUPPLY VOLTAGE200–240 VAC, 50–60 Hz |
| CONFIGURATIONSystem | CATEGORYBroadband Amplifier System |
HD33742 electrical specifications
From the matching HD33742 V2.6 datasheet. Test conditions: 25 °C, 50 Ω. Minimum, maximum and typical ratings retain the datasheet qualifiers.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating frequency | 1.0–6.0 GHz | — |
| Saturated output (Psat) | 300 W minimum | CW or pulse |
| Output at P1 dB | 180 W minimum | — |
| Power gain | 55 dB minimum | 0 dBm or less for rated output |
| Gain flatness | 4 dB p-p maximum | Constant input power |
| Gain adjustment range | 20 dB minimum | Local or remote |
| Input return loss | −10 dB maximum | — |
| Two-tone IMD | −30 dBc typical | 43 dBm/tone; Δ = 1 MHz |
| Harmonics | −20 dBc typical | At rated output |
| Spurious | −60 dBc maximum | Non-harmonic |
| Operating voltage | 200–240 VAC | 50–60 Hz |
| Power consumption | 3.5 kW maximum / 3 kW typical | At rated output |
| Input power protection | +8 dBm maximum | With optional digital monitor and control; basic units: less than 10 seconds without damage |
| Load VSWR protection | 4:1 maximum | Foldback at preset limit with optional digital monitor and control; basic units: less than 1 minute at rated output |
| Sample port | −50 dB | Optional; N-female |
HD33742 control and monitoring
Optional interfaces and monitoring functions from the matching model datasheet.
| Function | Specification | Conditions / notes |
|---|---|---|
| Digital monitor and control (DMC) | Optional | FWD, REV, VSWR, gain, ALC, voltage, current and temperature |
| Remote interfaces | Ethernet RJ-45 TCP/IP, RS422/485, USB | With optional DMC |
| GPIB remote control | Optional | IEEE-488 |
| Safety interlock (INT) | Optional | Open = standby; short = RF on; BNC female on rear panel |
| Forward RF sample (FRS) | Optional; −50 dB | SMA or N-female; front or rear panel |
| Reflected RF sample (RRS) | Optional; −50 dB | SMA or N-female; front or rear panel |
| Calibrated power monitoring (CPM) | Included with DMC purchase | Offset correction entry for ±0.2 dB accuracy; 11 points standard; consult factory for additional points |
HD33742 operating and storage conditions
Environmental limits from the matching model datasheet.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Operating ambient temperature | 0 to +50 °C | — |
| Storage temperature | −40 to +85 °C | — |
| Relative humidity | Up to 95% | Non-condensing |
| Altitude | 3,000 m | — |
| Shock and vibration | Normal transport | MIL specification available for quotation |
HD33742 mechanical specifications and cooling
Use the model-specific outline drawing in the PDF when planning mounting and connector clearance.
| Parameter | Specification | Conditions / notes |
|---|---|---|
| Dimensions (W × H × D) | 421 × 220 × 750 mm | 5U; excluding handles |
| Weight | 53 kg maximum | — |
| RF input / output / optional sample | Type N female | Front or rear panel |
| AC power / interface | IEC 60320-C14 / 9-pin D-Sub | Or equivalent |
| Built-in Quiet-Cool cooling | Closed-circuit air-liquid cooling | — |
HD33742 documentation
The linked file is HD33742 V2.6.pdf, matched to HD33742. It contains electrical, environmental and mechanical specifications, control options and outline drawings. Check the drawings for the selected options; specifications and drawings may vary with options.
About HD33742
The HD33742 datasheet lists 1.0–6.0 GHz.
Saturated output (Psat): 300 W minimum; CW or pulse. Output at P1dB: 180 W minimum.
200–240 VAC; 50–60 Hz. Power consumption: 3.5 kW maximum / 3 kW typical; at rated output.
Optional DMC supports forward/reflected power, VSWR, gain, ALC, voltage, current and temperature monitoring. The datasheet lists Ethernet TCP/IP, RS422/485 and USB, with optional GPIB. Optional interlock: open = standby; short = RF on.
Closed-circuit air-liquid cooling. Operating ambient temperature: 0 to +50 °C. Storage temperature: −40 to +85 °C.
Input power protection: +8 dBm maximum; with optional digital monitor and control; basic units: less than 10 seconds without damage. Load VSWR protection: 4:1 maximum; foldback at preset limit with optional digital monitor and control; basic units: less than 1 minute at rated output.
Open HD33742 V2.6.pdf for the complete ratings, pin assignments or control options, and outline drawings.