The HP Keysight Agilent 8111A is a highly versatile 20 MHz Pulse/Function Generator that combines pulse generator and function generator capabilities into a single, compact unit. It features fully programmable operation over HP-IB (GPIB) and provides versatile capabilities including triggered operation for all waveforms, variable duty cycle/pulse width, and VCO control.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | HP-IB (GPIB) |
| Display | 3-digit 7-segment LED display with status indicators |
| Warm-up Time | 30 minutes |
| Recommended Calibration Interval | 1 year |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 / 120 / 220 / 240 V AC (+5%, -10%), 48 to 440 Hz, 70 VA max |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 212.3 mm × 88 mm × 345 mm |
| Weight | 4.1 |
Channel Characteristics
| Parameter | Value |
|---|---|
| Number of Channels | 1 |
| Operating Modes | Normal, Trigger, Gate, VCO, Burst (Option 001) |
Waveform Generation
| Parameter | Value |
|---|---|
| Standard Waveforms | Sine, triangle, square, pulse |
Frequency Specifications
| Parameter | Value |
|---|---|
| Sine Frequency Range | 1 Hz to 20 MHz |
| Square/Pulse Frequency Range | 1 Hz to 20 MHz |
| Ramp/Triangle Frequency Range | 1 Hz to 20 MHz |
| Frequency Resolution | 3 digits |
| Frequency Accuracy | ±5% of setting ± 1 digit |
Sine Wave Distortion and Purity
| Parameter | Value |
|---|---|
| Harmonic Distortion (10 Hz to 50 kHz) | < 1% THD |
| Spurious Noise (50 kHz to 20 MHz) | < -30 dB |
| Sine Flatness (100 Hz to 1 MHz) | ±3% |
| Sine Flatness (1 MHz to 20 MHz) | ±5% |
Pulse & Square Wave Characteristics
| Parameter | Value |
|---|---|
| Rise/Fall Time | < 12 ns (10% to 90% at maximum amplitude) |
| Overshoot and Ringing | < 5% of peak-to-peak amplitude |
| Duty Cycle Range | 10% to 90% (1% resolution) |
Amplitude and Output Characteristics
| Parameter | Value |
|---|---|
| Amplitude Range (into 50 Ω) | 16.0 mV to 16.0 V peak-to-peak |
| Amplitude Range (into Open Circuit) | 32.0 mV to 32.0 V peak-to-peak |
| Amplitude Resolution | 3 digits |
| Amplitude Accuracy | ±5% of setting ± 1 digit |
| DC Offset Range (into 50 Ω) | ±8.00 V |
| DC Offset Range (into Open Circuit) | ±16.0 V |
| Output Impedance | 50 Ω ± 5% |
| Output Protection | Short-circuit proof, protected against external voltages up to ±16 V |
| Main Output Connector Type | BNC |
Modulation, Sweep, and Burst
| Parameter | Value |
|---|---|
| VCO Input Range | 0 to -10 V |
| VCO Frequency Control Range | 1:1000 (3 decades) on all ranges except 20 MHz range |
| VCO Input Impedance | 10 kΩ |
| Burst Count Range (Option 001) | 1 to 1999 cycles |
| Burst Trigger Sources (Option 001) | Manual, External, HP-IB |
Clock, Trigger, and Synchronization
| Parameter | Value |
|---|---|
| External Input Connector | BNC |
| External Input Impedance | 10 kΩ |
| Minimum External Input Pulse Width | 20 ns |
| Trigger Output Pulse Width | approx. 15 ns |
Physical and Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to +75 °C |
| Operating Humidity Range | 95% RH max (at 40 °C) |
| Weight (Shipping) | 5.7 kg |
Performance
| Parameter | Value |
|---|---|
| Triangle/Ramp Linearity | < 1% deviation from best straight line (10% to 90% amplitude, ≤ 50 kHz) |
Trigger and External Input
| Parameter | Value |
|---|---|
| Maximum External Input Voltage | ±20 V |
| Trigger Output Impedance | 50 Ω nominal |
| Trigger Output Transition Time | < 10 ns |
Interfaces
| Parameter | Value |
|---|---|
| GPIB Interface Codes | SH1, AH1, T6, L4, SR1, RL1, PP0, DC1, DT1, C0 |
Pulse Characteristics
| Parameter | Value |
|---|---|
| Duty Cycle Resolution | 1% |
DC Offset
| Parameter | Value |
|---|---|
| DC Offset Resolution | 3 digits |
Environmental
| Parameter | Value |
|---|---|
| Maximum Operating Altitude | 4600 m |
Frequency Stability
| Parameter | Value |
|---|---|
| Frequency Stability (8 hours) | < ±0.1% (after 1 hr warm-up) |
| Frequency Temperature Coefficient | < ±0.1% per °C |
Amplitude Stability
| Parameter | Value |
|---|---|
| Amplitude Temperature Coefficient | < ±0.1% per °C |
| DC Offset Temperature Coefficient | < ±(0.1% of setting + 0.1% of range) per °C |
Trigger & Gate
| Parameter | Value |
|---|---|
| Propagation Delay (External Input to Main Output) | approx. 55 ns |
Option 001 Burst & Internal Trigger
| Parameter | Value |
|---|---|
| Internal Trigger Period Range (Option 001) | 1.0 µs to 999 ms |
| Internal Trigger Period Resolution (Option 001) | 3 digits |
| Internal Trigger Period Accuracy (Option 001) | ±5% |
| Burst Start/Stop Phase Range (Option 001) | approx. -80° to +80° |
| Burst Maximum Output Frequency (Option 001) | 20 MHz (sine/square), 2 MHz (triangle) |
Compliance
| Parameter | Value |
|---|---|
| RFI and EMI Compliance | Meets VDE 0871 Level B and MIL-STD-461A (Cat. II) |
Applications
Electronic Test & Measurement