The Keysight (Agilent/HP) 8116A is a versatile, fully programmable 50 MHz Pulse/Function Generator. Combining function generator capabilities (sine, triangle, square, haverfunctions, and DC) with pulse generator features (variable pulse width and fast 6 ns transition times), the 8116A provides comprehensive waveform generation and modulation capabilities in a compact half-rack instrument.

Specifications

General

ParameterValue
InterfacesHP-IB (IEEE-488)
Display3-digit LED display with integrated parameter and status indicators

Physical

ParameterValue
Power Supply100 / 120 / 220 / 240 V AC (+5%, -10%), 48 to 440 Hz, 120 VA max
Operating Temperature0 to 55 °C
Dimensions (W×H×D)212 mm × 89 mm × 362 mm
Weight5.9 kg
Shipping Weight8.0 kg (17.6 lbs)

Waveform Specifications

ParameterValue
Waveform TypesSine, Triangle, Square, Pulse, Haver-sine, Haver-triangle, DC
Frequency Range (Sine)1 mHz to 50 MHz
Frequency Range (Triangle)1 mHz to 50 MHz
Frequency Range (Square)1 mHz to 50 MHz
Frequency Range (Pulse)1 mHz to 50 MHz
Frequency Resolution3 digits
Frequency Accuracy (1.00 mHz to 9.99 MHz)±3% of setting ±1 digit
Frequency Accuracy (10.0 MHz to 50.0 MHz)±5% of setting ±1 digit
Sine Wave Distortion (THD)< 1% (-40 dB) from 10 Hz to 50 kHz
Sine Wave Flatness (up to 1 MHz)±3% (relative to 1 kHz) up to 9.99 MHz
Sine Wave Flatness (1 MHz to 50 MHz)±10% (relative to 1 kHz) from 10.0 MHz to 50.0 MHz
Triangle Linearity< 1% deviation from 10 Hz to 100 kHz
Square Wave Rise/Fall Time< 6 ns
Square Wave Aberrations< 5% of peak-to-peak amplitude

Output Characteristics

ParameterValue
Output Impedance50 Ω ±10%
Amplitude Range (into 50 Ω)10.0 mVpp to 16.0 Vpp
Amplitude Range (Open Circuit)20.0 mVpp to 32.0 Vpp
Amplitude Resolution3 digits
Amplitude Accuracy±5% of setting ±1 digit
DC Offset Range (into 50 Ω)±7.95 V (amplitude dependent)
DC Offset Range (Open Circuit)±15.9 V (amplitude dependent)
DC Offset Accuracy±2% of setting ±50 mV
Maximum Total Window (into 50 Ω)|Amplitude / 2| + |Offset| <= 8.0 V
Output ProtectionShort-circuit protected; protected against external voltages up to ±14 V
Maximum External Voltage Protection±14 V

Pulse & Timing Specifications

ParameterValue
Pulse Width Range10.0 ns to 999 ms
Pulse Width Accuracy±5% of setting ±2 ns
Pulse Width Resolution3 digits
Double Pulse Mode Interval20.0 ns to 999 ms
Duty Cycle Range10% to 90% (limited by 10 ns minimum pulse width)
Transition Time (Rise/Fall)< 6 ns (fixed)

Modulation & Operating Modes

ParameterValue
Operating ModesNormal, Trigger, Gate, Burst
Modulation ModesAmplitude Modulation (AM), Frequency Modulation (FM), Pulse Width Modulation (PWM), Voltage Controlled Oscillator (VCO)
Internal Modulation SourceRequires external modulation signal
External Modulation InputsControl Input (for AM, FM, VCO, PWM), Trigger Input
Amplitude Modulation Depth0 to 100% (requires ±2.5 V control signal)
VCO / FM Frequency Control RangeUp to 1000:1 (3 decades)
VCO / FM Input Voltage Range0 to -7.99 V
PWM Control RangeWidth can be modulated up to 100:1
Auto-vernier ModeIncrements any desired parameter continuously until stopped

Trigger & Sweep Specifications

ParameterValue
Trigger SourceInternal, External, Manual
External Trigger Input LevelTTL compatible (threshold approx +1 V)
External Trigger Input Impedance10 kΩ
External Trigger SlopePositive-going or negative-going edge selectable
External Trigger Minimum Pulse Width10 ns
Sweep ModesLinear or Logarithmic
Sweep Time Range10 ms to 500 s (in 3 ranges)
Sweep Start/Stop LimitsAny frequency within the 1 mHz to 50 MHz range
Burst Count Range1 to 1999 cycles

Auxiliary Inputs & Outputs

ParameterValue
Main Output ConnectorBNC (front panel)
Trigger Output LevelTTL level (>= 2.4 V into 50 Ω)
Trigger Output Impedance50 Ω nominal
Control Input ConnectorBNC (front panel, for VCO/AM/FM/PWM)
Trigger Input ConnectorBNC (front panel)
Phase Lock Option (Option 001)Provides Reference Input / Output for phase locking

System Interfaces & Programming

ParameterValue
Programming CapabilityAll parameters programmable except for the line power switch
Memory Registers9 user-programmable storage registers (1 to 9) plus register 0 for power-off state
Self-Test and DiagnosisAutomatic self-test with error recognition and display codes

General, Physical & Environmental

ParameterValue
Storage Temperature Range-40 °C to +75 °C
Operating Humidity RangeUp to 95% RH at 40 °C
Warm-up Time30 minutes to meet all specifications

Power Requirements

ParameterValue
Power Consumption90 VA max.
Line Voltage100 / 120 / 220 / 240 V (+5%, -10%)
Line Frequency48 to 66 Hz

Modulation

ParameterValue
External AM BandwidthDC to > 1 MHz
External FM BandwidthDC to 20 kHz
External PWM BandwidthDC to > 20 kHz
Control Input Impedance10 kΩ (VCO/AM/PWM)

Phase Lock (Option 001)

ParameterValue
Option 001 Phase Lock Range10 Hz to 50 MHz
Option 001 Reference Input Level100 mVrms to 10 Vrms
Option 001 Phase Control Range-180° to +180°
Option 001 Phase Resolution

Connectivity

ParameterValue
GPIB Interface subset codesSH1, AH1, T6, L4, SR1, RL1, PP0, DC1, DT1, C0

Pulse Mode

ParameterValue
Maximum Pulse Duty Cycle80% (pulse width is limited to 80% of the period)

Outputs

ParameterValue
Output Complement ModeSelectable normal or complement waveform via COMPL key or GPIB

Environmental

ParameterValue
Operating AltitudeUp to 4,600 m (15,000 ft)
Non-operating AltitudeUp to 15,000 m (50,000 ft)

Interfaces

ParameterValue
GPIB Address Selection0 to 30, set via rear-panel switches

Compliance

ParameterValue
Safety StandardsDesigned to meet IEC 348 Class I

Options

ParameterValue
Available AccessoriesOption 908 (Rack flange kit), Option 910 (Extra operating manual), Option 915 (Service manual), Option 916 (Extra operating and service manual)

Applications

Electronic test and measurement, circuit troubleshooting, and educational lab testing