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DG2040

TektronixData

The Tektronix DG2040 is a high-performance, dual-channel digital pattern generator capable of data rates up to 1.1 Gb/s. Designed for testing high-speed logic devices, circuits, and serial data transmission systems, the DG2040 offers deep pattern memory, sub-nanosecond edge control, and flexible sequencing capabilities.

Digital Pattern GenerationSignal Generation

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488.2), RS-232-C
Display6.4-inch active-matrix color LCD, 640 × 480 resolution
Warm-up Time20 minutes

Physical

ParameterValue
Power Supply90 V to 250 V AC, 48 Hz to 63 Hz, maximum 300 W
Operating Temperature10 °C to 40 °C
Dimensions (W×H×D)361 mm × 164 mm × 490 mm
Weight10.5 kg

Output Channels & Signal Characteristics

ParameterValue
Number of Data Channels2
Maximum Data Rate1.1 Gb/s
Minimum Data Rate100 b/s
Maximum Output Amplitude2.0 Vp-p (into 50 Ω)
Minimum Output Amplitude0.1 Vp-p (into 50 Ω)
Offset Voltage Range-1.625 V to +1.625 V
Voltage Resolution10 mV
Output Impedance50 Ω
Rise/Fall Time (20% to 80%)≤ 150 ps (at 1 Vp-p)
Output Connector TypeSMA (front panel)
Complementary OutputsYes (CH1/CH1_bar, CH2/CH2_bar, CLK/CLK_bar)

Timing & Clock Specifications

ParameterValue
Internal Clock Frequency Range0.1 Hz to 1.1 GHz
Internal Clock Resolution4 digits
Internal Clock Accuracy±20 ppm
Clock Delay Range-5.00 ns to +5.00 ns (CH2 relative to CH1)
Clock Delay Resolution10 ps

Pattern Memory & Sequencing

ParameterValue
Pattern Memory Depth per Channel256 Kwords (262,144 bits)
Sequence Memory Depth4000 steps
Maximum Loop Count1 to 65,536 (or infinite)
Subroutine Nesting Levels16 levels
Data Coding FormatNRZ

Trigger & Synchronization

ParameterValue
Trigger ModesAuto, Triggered, Gated
Trigger SourcesExternal, Internal, Manual
Trigger Input Threshold Range-5.0 V to +5.0 V
Trigger Input Resolution0.1 V
Trigger Input Impedance1 kΩ

Software & Interface Operation

ParameterValue
Onboard Storage Medium3.5-inch 1.44 MB MS-DOS floppy drive

Environmental & Compliance

ParameterValue
Storage Temperature Range-20 °C to +60 °C
Operating Humidity Range20% to 80% RH (non-condensing)
Operating Altitude LimitUp to 4,500 m (15,000 ft)

External Clock Input

ParameterValue
External Clock Input Frequency Range100 MHz to 1.1 GHz
External Clock Input Impedance50 Ω
External Clock Input Amplitude0.4 Vp-p to 2.0 Vp-p

Clock Output

ParameterValue
Clock Output Amplitude1.0 Vp-p (into 50 Ω)
Clock Output ConnectorSMA

Trigger Output

ParameterValue
Trigger Output LevelTTL (into 50 Ω)

Trigger Input

ParameterValue
Trigger Input Minimum Pulse Width5 ns

Sync Output

ParameterValue
Event Output LevelTTL (into 50 Ω)

Power Supply

ParameterValue
Power Consumption300 W maximum
Line Voltage Range90 V AC to 250 V AC
Line Frequency Range48 Hz to 63 Hz

Performance

ParameterValue
Maximum Jitter15 ps RMS (typical, at 1.1 Gb/s)

Output Parameters

ParameterValue
Channel-to-Channel Deskew Range (Option 01)-1 ns to +1 ns
Channel-to-Channel Deskew Resolution (Option 01)10 ps
Amplitude Accuracy±(3% of setting + 50 mV) at 1 MHz into 50 Ω
Offset Accuracy±(2% of setting + 50 mV) at 1 MHz into 50 Ω

Sequencer

ParameterValue
Minimum Block Size32 bits
Block Size Resolution32 bits
Maximum Number of Blocks256

Inputs & Outputs

ParameterValue
Inhibit Input ConnectorSMB
Inhibit Input Impedance50 Ω
Inhibit Input LevelTTL compatible
Clock Output Impedance50 Ω
10 MHz Reference Input ConnectorBNC
10 MHz Reference Input Frequency10 MHz (±0.05%)
10 MHz Reference Output ConnectorBNC
10 MHz Reference Output Frequency10 MHz

Connectivity

ParameterValue
GPIB InterfaceIEEE-488.2 compatible
RS-232 Interface9-pin D-sub

Compliance

ParameterValue
Safety CertificationsUL3111-1, CAN/CSA C22.2 No. 1010.1, EN61010-1
EMC ComplianceEN55011 Class A, EN50082-1

Environmental

ParameterValue
Storage Altitude Limit15,240 m (50,000 ft)

Technology

Digital Pattern Generation

Applications

High-speed digital circuit design, logic device characterization, and serial communications testing