The Keysight (formerly Agilent / HP) 33250A is a high-performance 80 MHz function and arbitrary waveform generator. It offers standard waveforms, pulse generation with variable edge times, and arbitrary waveforms powered by a 12-bit, 200 MSa/s architecture with 64 Kpoints of memory. It includes built-in AM, FM, and FSK modulation, linear/logarithmic sweep, and burst operation.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, RS-232 |
| Programming Language Compatibility | SCPI-1993, IEEE-488.2 |
| Warm-up Time | 1 hour |
| Calibration Interval | 1 year |
| Power Consumption | 140 VA maximum |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100-240 V, 50-60 Hz; 100-127 V, 50-400 Hz; 140 VA max |
| Operating Temperature | 0 to 55 |
| Dimensions (W×H×D) | 254 × 104 × 374 |
| Weight | 4.6 |
Frequency Characteristics
| Parameter | Value |
|---|---|
| Sine Frequency Range | 1 μHz - 80 MHz |
| Square Frequency Range | 1 μHz - 80 MHz |
| Pulse Frequency Range | 500 μHz - 50 MHz |
| Ramp/Triangle Frequency Range | 1 μHz - 1 MHz |
| Noise Bandwidth | 50 MHz |
| Arbitrary Waveform Frequency Range | 1 μHz - 25 MHz |
| Frequency Resolution | 1 μHz |
| Timebase Accuracy | 2 ppm (1 year) |
Amplitude and Output Characteristics
| Parameter | Value |
|---|---|
| Amplitude Range (into 50 ohms) | 10 mVpp - 10 Vpp |
| Amplitude Range (Open Circuit) | 20 mVpp - 20 Vpp |
| DC Offset Range (into 50 ohms) | ±5 V |
| DC Offset Range (Open Circuit) | ±10 V |
| Output Impedance | 50 Ω |
| Short Circuit Protection | Continuous |
| Overvoltage Protection | ±15 V peak |
Signal Characteristics
| Parameter | Value |
|---|---|
| Square Rise/Fall Time | < 8 ns |
| Square Overshoot | < 5% |
| Pulse Variable Edge Time | 5 ns - 1 ms |
Arbitrary Waveform Characteristics
| Parameter | Value |
|---|---|
| Amplitude Resolution | 12-bit |
| Sample Rate | 200 MSa/s |
| Non-Volatile Memory Capacity | 4 waveforms |
Modulation
| Parameter | Value |
|---|---|
| Modulation Types | AM, FM, FSK |
| Modulation Source | Internal, External |
| AM Depth | 0.0% - 120.0% |
| FM Deviation | DC - 80 MHz |
| Internal AM / FM Modulation Rate | 2 mHz to 20 kHz |
| Internal FSK Rate | 2 mHz to 100 kHz |
Sweep Characteristics
| Parameter | Value |
|---|---|
| Sweep Type | Linear, Logarithmic |
| Sweep Direction | Up, Down |
Burst Characteristics
| Parameter | Value |
|---|---|
| Burst Type | Counted, Infinite, Gated |
Clock Reference
| Parameter | Value |
|---|---|
| External Reference Input Frequency | 10 MHz |
| Internal Reference Output Frequency | 10 MHz |
Amplitude Characteristics
| Parameter | Value |
|---|---|
| Amplitude Accuracy (1 kHz) | ± 1% of setting ± 1 mVpp |
| Amplitude Flatness (< 100 kHz) | ± 0.1 dB (relative to 1 kHz) |
| Amplitude Flatness (100 kHz to 5 MHz) | ± 0.15 dB (relative to 1 kHz) |
| Amplitude Flatness (5 MHz to 50 MHz) | ± 0.3 dB (relative to 1 kHz) |
| Amplitude Flatness (50 MHz to 80 MHz) | ± 0.5 dB (relative to 1 kHz) |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonic Distortion (DC to 1 MHz) | <-60 dBc |
| Harmonic Distortion (1 MHz to 5 MHz) | <-57 dBc |
| Harmonic Distortion (5 MHz to 50 MHz) | <-37 dBc |
| Harmonic Distortion (50 MHz to 80 MHz) | <-30 dBc |
| Spurious (DC to 1 MHz) | <-60 dBc |
| Spurious (1 MHz to 20 MHz) | <-50 dBc |
| Spurious (20 MHz to 80 MHz) | <-50 dBc + 6 dB/octave |
Waveform Characteristics
| Parameter | Value |
|---|---|
| Square Duty Cycle | 20% to 80% (to 50 MHz); 40% to 60% (to 80 MHz) |
| Ramp Symmetry | 0.0% to 100.0% |
| Minimum Pulse Width | 8 ns |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Trigger Input Level | TTL compatible |
| External Modulation Input Impedance | 10 kΩ |
| External Modulation Input Level | ±5 V full scale |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -30 °C to +70 °C |
| Operating Altitude | Up to 3,000 meters (10,000 ft) |
| Vibration and Shock | MIL-T-28800, Type III, Class 5 |
Sweep
| Parameter | Value |
|---|---|
| Sweep Time | 1 ms to 500 s |
Burst
| Parameter | Value |
|---|---|
| Burst Count | 1 to 1,000,000 cycles, or infinite |
| Burst Starting Phase | -360.0° to +360.0° |
Outputs
| Parameter | Value |
|---|---|
| Sync Output Impedance | 50 Ω (nominal) |
| Output Isolation to Earth | 42 Vpk maximum |
Frequency Reference
| Parameter | Value |
|---|---|
| External Reference Input Lock Range | 10 MHz ± 35 kHz |
Technology
Direct Digital Synthesis (DDS)
Applications
Test and Measurement