The Tektronix AFG3101 is a high-performance 1-channel Arbitrary/Function Generator from the AFG3000 Series. Offering a 100 MHz sine wave frequency range, 1 GS/s sampling rate, and 14-bit vertical resolution, it delivers unmatched performance and versatility. With its intuitive 5.6-inch color TFT display and integrated ArbExpress software, this instrument facilitates rapid waveform design and generation for educational, engineering, and manufacturing applications.

Specifications

General

ParameterValue
InterfacesUSB Host (front panel), USB Device (rear panel), LAN (10/100 Base-T, LXI Class C), GPIB (IEEE 488.2)
Display5.6 in. Color TFT LCD, 320 × 240 resolution
Warm-up Time20 minutes
Instrument Setup Memory10 setups

Physical

ParameterValue
Power Supply100 V to 240 V AC, 47 Hz to 63 Hz (and 115 V AC, 360 Hz to 440 Hz), <120 W power consumption
Operating Temperature0 °C to +50 °C
Dimensions (W×H×D)329.6 mm × 156.3 mm × 168.0 mm
Weight4.5 kg

Channel Characteristics

ParameterValue
Number of Channels1
Operating ModesContinuous, Modulation, Sweep, Burst

Waveform Generation

ParameterValue
Standard WaveformsSine, Square, Pulse, Ramp, Triangle, Sin(x)/x, Exponential Rise, Exponential Decay, Gaussian, Lorentz, Haversine, Noise, DC
Arbitrary Waveform Length2 to 131,072 points (128 K)
Sampling Rate1 GS/s
Vertical Resolution14 bits
Non-Volatile Memory Capacity4 waveforms

Frequency Specifications

ParameterValue
Sine Frequency Range1 mHz to 100 MHz
Square Frequency Range1 mHz to 50 MHz
Pulse Frequency Range1 mHz to 50 MHz
Ramp/Triangle Frequency Range1 mHz to 1 MHz
Arbitrary Waveform Frequency Range1 mHz to 50 MHz
Noise Bandwidth100 MHz
Frequency Resolution1 µHz or 12 digits
Aging Rate±1 ppm per year

Sine Wave Distortion and Purity

ParameterValue
Harmonic Distortion (10 Hz to 20 kHz)<-70 dBc at 1 Vpp
Harmonic Distortion (20 kHz to 1 MHz)<-60 dBc at 1 Vpp
Harmonic Distortion (1 MHz to 10 MHz)<-50 dBc at 1 Vpp
Harmonic Distortion (10 MHz to 25 MHz)<-40 dBc at 1 Vpp
Harmonic Distortion (25 MHz to 100 MHz)<-37 dBc at 1 Vpp
Total Harmonic Distortion (THD)<0.2% (10 Hz to 20 kHz, 1 Vpp, typical)
Spurious Noise (10 Hz to 1 MHz)<-70 dBc at 1 Vpp
Spurious Noise (1 MHz to 25 MHz)<-60 dBc at 1 Vpp
Phase Noise<-110 dBc/Hz at 10 kHz offset (10 MHz, 1 Vpp, typical)

Pulse & Square Wave Characteristics

ParameterValue
Rise/Fall Time≤ 5.0 ns
Overshoot< 5%
Pulse Width Range8.0 ns to 999.9 s
Duty Cycle Range0.001% to 99.999%
Pulse Edge Transition Time Range5.0 ns to 625 s
Jitter (RMS)<100 ps (typical)

Amplitude and Output Characteristics

ParameterValue
Amplitude Range (into 50 Ω, <= 10 MHz)20 mVpp to 10 Vpp
Amplitude Range (into Open Circuit, <= 10 MHz)40 mVpp to 20 Vpp
Amplitude Accuracy±(1% of setting + 1 mV) at 1 kHz, 0 V offset, >10 mVpp
Amplitude Resolution0.1 mVpp, 0.1 mVrms, 1 mV, 0.1 dBm, or 4 digits
Amplitude UnitsVpp, Vrms, dBm
DC Offset Range (into 50 Ω, <= 10 MHz)±5 Vpk
DC Offset Accuracy±(1% of |setting| + 5 mV + 0.5% of amplitude)
Output Impedance50 Ω
Output ProtectionShort-circuit protected
Main Output Connector TypeBNC (front panel)

Modulation, Sweep, and Burst

ParameterValue
Modulation TypesAM, FM, PM, FSK, PWM
Internal Modulation SourcesSine, Square, Triangle, Ramp, Noise, ARB
AM Modulation Depth0.0% to 120.0%
FM Deviation Range1 mHz to 50 MHz
PM Phase Deviation Range0.0° to 180.0°
FSK Keying Rate2 mHz to 1 MHz
PWM Duty Cycle Deviation Range0.0% to 50.0% of pulse period
Sweep TypeLinear, Logarithmic
Sweep Time Range1 ms to 300 s
Burst TypeTriggered, Gated
Burst Count Range1 to 1,000,000 cycles, or infinite

Clock, Trigger, and Synchronization

ParameterValue
Internal Reference Stability±1 ppm per year
External Reference Input Frequency Range10 MHz ± 35 kHz
External Reference Input Level1.4 Vpp to 5 Vpp
External Reference Output Frequency10 MHz
External Reference Output Level1.2 Vpp into 50 Ω
Trigger Input LevelTTL compatible (Min high 2.0 V, Max low 0.8 V)
Trigger Output Voltage LevelTTL compatible into >1 kΩ
Sync Output LevelTTL compatible

Connectivity and Programming

ParameterValue
Programming LanguageSCPI (Standard Commands for Programmable Instruments)

Performance

ParameterValue
Sine Wave Amplitude Flatness (< 5 MHz)±0.15 dB (1 Vp-p, relative to 1 kHz)
Sine Wave Amplitude Flatness (5 MHz to 20 MHz)±0.3 dB (1 Vp-p, relative to 1 kHz)
Sine Wave Amplitude Flatness (20 MHz to 50 MHz)±0.5 dB (1 Vp-p, relative to 1 kHz)
Sine Wave Amplitude Flatness (50 MHz to 100 MHz)±1.0 dB (1 Vp-p, relative to 1 kHz)
Amplitude Range (into 50 Ω, > 10 MHz to <= 50 MHz)10 mVp-p to 5 Vp-p
Amplitude Range (into 50 Ω, > 50 MHz to <= 100 MHz)10 mVp-p to 2 Vp-p
Amplitude Range (into Open Circuit, > 10 MHz to <= 50 MHz)20 mVp-p to 10 Vp-p
Amplitude Range (into Open Circuit, > 50 MHz to <= 100 MHz)20 mVp-p to 4 Vp-p
DC Offset Range (into 50 Ω, > 10 MHz to <= 50 MHz)±2.5 V pk AC + DC
DC Offset Range (into 50 Ω, > 50 MHz to <= 100 MHz)±1 V pk AC + DC
DC Offset Range (into Open Circuit, <= 10 MHz)±10 V pk AC + DC
DC Offset Range (into Open Circuit, > 10 MHz to <= 50 MHz)±5 V pk AC + DC
DC Offset Range (into Open Circuit, > 50 MHz to <= 100 MHz)±2 V pk AC + DC
Phase Range-180.00° to +180.00°
Phase Resolution0.01°

Frequency

ParameterValue
Sin(x)/x (Sinc) Frequency Range1 mHz to 1 MHz
Exponential Rise/Fall Frequency Range1 mHz to 1 MHz
Cardiac Frequency Range1 mHz to 1 MHz
Lorentz Frequency Range1 mHz to 1 MHz

Modulation

ParameterValue
Internal Modulating Frequency Range2 mHz to 50.00 kHz
FSK Internal Rate Range2.000 mHz to 1.000 MHz
External Modulation Input Impedance10 kΩ
External Modulation Input Range±1 V full scale
External Modulation Input BandwidthDC to 100 kHz

Sweep

ParameterValue
Sweep Hold Time Range0.000 s to 3,600.000 s
Sweep Return Time Range0.000 s to 3,600.000 s

Trigger

ParameterValue
Trigger Delay Range0 ns to 85.000 s
Trigger Input Impedance10 kΩ
Trigger Output Impedance50 Ω
Sync Output Impedance50 Ω

Reference

ParameterValue
External Reference Input Impedance1 kΩ (AC coupled)

Inputs & Outputs

ParameterValue
External Add Input Impedance50 Ω
External Add Input Range-1 V to +1 V (DC to 10 MHz)
Maximum Float Voltage (BNC to Chassis Ground)±42 Vpk

Power

ParameterValue
Power Consumption120 VA max

Environmental

ParameterValue
Operating Humidity5% to 90% RH (0 to 40 °C), 5% to 45% RH (40 to 50 °C)
Operating AltitudeUp to 3,000 m (10,000 ft)
Non-operating AltitudeUp to 12,000 m (40,000 ft)
Storage Temperature Range-30 °C to +70 °C
Storage Humidity Range5% to 90% RH
Acoustic Noise<50 dBA

Waveforms

ParameterValue
Ramp Symmetry Range0% to 100%
Ramp Symmetry Resolution0.1%

Compliance & Safety

ParameterValue
Safety ComplianceUL 61010-1:2004, CAN/CSA-C22.2 No. 61010-1:2004, EN 61010-1:2001, IEC 61010-1:2001
EMC ComplianceEN 61326:1997 +A1:1998 +A2:2001 +A3:2003

Technology

Direct Digital Synthesis (DDS)

Applications

Electronic Design and Test, Sensor Simulation, Functional Test, Education and Training