The Tektronix DG2020 is a high-performance 200 Mb/s digital pattern generator designed for characterization, debugging, and testing of digital systems. Featuring a modular architecture supporting up to 36 channels with selectable output pods, the DG2020 provides flexible data rate controls, deep pattern memory, and extensive sequencing capabilities.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488.2), RS-232-C
Display6.4-inch color TFT LCD
Warm-Up Time20 minutes

Physical

ParameterValue
Power Supply90 to 250 V AC, 48 to 63 Hz, 300 W max
Operating Temperature10 to 40 °C
Dimensions (W×H×D)362 mm × 164 mm × 492 mm
Weight10.5

Output Channels & Signal Format

ParameterValue
Number of Data ChannelsUp to 36 channels (12 channels per pod, up to 3 pods)
Output Pod OptionsP3410 (TTL), P3420 (ECL), P3447 (Variable Voltage)
Data Output FormatNRZ (Non-Return-to-Zero)
Output Impedance50 Ω

Timing & Clocking

ParameterValue
Maximum Data Rate200 Mb/s
Clock Frequency Range0.1 Hz to 200 MHz
Clock Frequency Resolution4 digits
Internal Clock Accuracy±100 ppm
Clock Source OptionsInternal, External

Output Voltage Levels

ParameterValue
P3447 High-Level Output Range-2.0 V to +7.0 V
P3447 Low-Level Output Range-3.0 V to +6.0 V
P3447 Voltage Amplitude Range0.1 Vp-p to 9.0 Vp-p (into 50 Ω)
P3447 Voltage Level Resolution10 mV

Pattern Memory & Sequencing

ParameterValue
Pattern Memory Depth64 K words per channel (64,000 words)
Block Size8 words
Sequencer Loop Count Range1 to 65,536 (or infinite)
Maximum Sequence Steps4,000 steps
Maximum Subroutines128

Trigger & Synchronization

ParameterValue
Trigger ModesAuto, Normal, Single
Trigger SourcesInternal, External, Manual
External Trigger Input Level-5.0 V to +5.0 V
Sync Output Type1 channel, TTL level

System Interfaces & Storage

ParameterValue
Removable Storage Media3.5-inch floppy disk drive (1.44 MB, MS-DOS format)

Software & Control

ParameterValue
Programming Language CompatibilitySCPI-compatible

Environmental & Safety

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

Delay / Phase Control

ParameterValue
Clock Delay Range0 ns to 20.00 ns
Clock Delay Resolution10 ps

External Clock Input

ParameterValue
External Clock Input Frequency RangeDC to 200 MHz
External Clock Input Impedance50 ohms
External Clock Input Amplitude0.4 Vp-p to 5.0 Vp-p

P3410 Output Pod

ParameterValue
P3410 Channel Count12 channels
P3410 High-Level Output Voltage>= 4.4 V (into 1 Mohm), >= 2.2 V (into 50 ohms)
P3410 Low-Level Output Voltage<= 0.1 V (into 1 Mohm or 50 ohms)
P3410 Output Impedance50 ohms
P3410 Rise/Fall Time<= 1.5 ns (into 1 Mohm, 10 pF)

P3420 Output Pod

ParameterValue
P3420 Channel Count12 channels
P3420 Voltage Level Range-2.0 V to +7.0 V (into 1 Mohm)
P3420 Output Voltage Resolution10 mV (into 1 Mohm)
P3420 Output Impedance50 ohms
P3420 Voltage Amplitude Range0.5 V to 9.0 V (into 1 MΩ)
P3420 Rise/Fall Time≤ 1.5 ns (into 50 Ω, 1.0 V to 3.0 V swing)

Trigger Input

ParameterValue
Trigger Input Impedance1 Mohm
Minimum Trigger Pulse Width10 ns

Power Requirements

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

Pattern Generation & Memory

ParameterValue
Maximum Pattern Blocks256

Inputs & Outputs

ParameterValue
Event Input Connector TypeBNC (rear panel)
Event Input Impedance1 kΩ
Event Input LevelTTL compatible
Event Input Minimum Pulse Width30 ns
Event Input to Sync Output Delay≤ 60 ns + 1.5 clock cycles
Clock Output Connector TypeBNC (rear panel)
Clock Output LevelECL level (into 50 Ω)

Compliance & Safety

ParameterValue
Safety StandardsUL3111-1, CSA1010.1, EN61010-1
EMC StandardsEN55011, EN50082-1, FCC Part 15 Class A

Technology

Digital Pattern Generation

Applications

Digital circuit characterization, semiconductor testing, and bus emulation