MSO44

The Tektronix MSO44 is a 4 Series Mixed Signal Oscilloscope featuring 4 FlexChannel inputs, offering outstanding vertical resolution and high-definition visualization. It provides versatility with configurable analog and digital channels, standard 12-bit ADC performance, and a highly intuitive capacitive touch interface.

Embedded Systems Logic Analysis Serial Data Analysis Signal Integrity

Specifications

General

Parameter	Value
Display	13.3-inch (338 mm) capacitive touch TFT, 1920 × 1080 (Full HD)

Physical

Parameter	Value
Power Supply	100 to 240 V AC ±10% (50 to 60 Hz), 115 V AC ±10% (400 Hz), 400 W maximum
Operating Temperature	0 °C to +50 °C
Dimensions (W×H×D)	450 mm × 249 mm × 155 mm

Vertical System - Analog Channels

Parameter	Value
Number of Analog Channels	4 FlexChannel inputs
Analog Bandwidth (-3 dB)	200 MHz, 350 MHz, 500 MHz, 1 GHz, or 1.5 GHz (model-option dependent)
Hardware Bandwidth Limits	20 MHz, 250 MHz (model-option dependent)
Input Coupling	AC, DC
Input Impedance	50 Ω ±1%, 1 MΩ ±1% with 13 pF ±1.5 pF
Input Sensitivity Range (1 MΩ)	500 µV/div to 10 V/div in 1-2-5 sequence
Input Sensitivity Range (50 Ω)	500 µV/div to 1 V/div in 1-2-5 sequence
Vertical Resolution	12-bit ADC (up to 16-bit in High Res mode)
Maximum Input Voltage (1 MΩ)	300 VRMS, Cat II
Maximum Input Voltage (50 Ω)	5 VRMS, with peaks ≤ ±20 V

Vertical System - Digital Channels

Parameter	Value
Number of Digital Channels	Up to 32 channels (with optional TLP058 probes)
Threshold Range	-40 V to +40 V
Threshold Accuracy	±(100 mV + 3% of threshold setting)
Minimum Detectable Pulse Width	1 ns
Maximum Toggle Rate	500 MHz

Horizontal System (Timebase)

Parameter	Value
Real-Time Sample Rate	6.25 GS/s on all channels
Maximum Record Length	31.25 Mpoints standard (62.5 Mpoints optional)
Timebase Range	200 ps/div to 1,000 s/div
Channel-to-Channel Deskew Range	-125 ns to +125 ns with 1 ps resolution

Acquisition System

Parameter	Value
Acquisition Modes	Sample, Peak Detect, Envelope, Average, High Res, FastAcq
Waveform Capture Rate	> 500,000 wfm/s (in FastAcq mode)

Trigger System

Parameter	Value
Trigger Sources	Analog channels, digital channels, Aux input, Line
Trigger Modes	Auto, Normal, Single
Trigger Coupling	DC, AC, HF Reject, LF Reject, Noise Reject
Trigger Holdoff Range	0 ns to 20 s
Trigger Types	Edge, Pulse Width, Runt, Timeout, Slew Rate, Setup and Hold, Rise/Fall Time, Window, Logic, Bus/Protocol (option dependent)

Waveform Measurements & Analysis

Parameter	Value
Waveform Math Operators	Arithmetic (Add, Subtract, Multiply, Divide), FFT, Advanced Math equations

Input / Output Ports & Connectivity

Parameter	Value
Probe Compensator Output	Front-panel 2.5 V, 1 kHz

Environmental & Safety Compliance

Parameter	Value
Non-Operating Temperature Range	-30 °C to +70 °C
Operating Humidity Range	5% to 90% RH at up to +30 °C; 5% to 60% RH above +30 °C up to +50 °C
Operating Altitude	Up to 3,000 m (9,843 ft)
Non-Operating Altitude	Up to 12,000 m (39,370 ft)

Input Channels

Parameter	Value
FlexChannel Inputs	4 FlexChannel ports, each supporting 1 analog or 8 digital channels (using TLP058 logic probe)

Connectivity

Parameter	Value
USB Host Ports	2x USB 2.0 on front panel, 1x USB 2.0 on rear panel, 1x USB 3.0 on rear panel
LAN Port	1x RJ-45, 10/100/1000 Mb/s Ethernet
External Display Output	1x HDMI (DVI compatible) on rear panel, up to 1920 x 1080 resolution at 60 Hz
Probe Interface	TekVPI Probe Interface (supports active, differential, and current probes with automatic scale and unit detection)

Signal Generator (Optional)

Parameter	Value
Arbitrary Function Generator	1 channel, up to 50 MHz (Option 4-AFG dependent)
AFG Waveform Types	Sine, Square, Pulse, Ramp, Triangle, DC, Noise, Sin(x)/x, Gaussian, Lorentz, Exponential Rise/Decay, Haversine, Cardiac, Arbitrary

Integrated Instruments

Parameter	Value
Digital Voltmeter (DVM)	4-digit AC RMS, DC, and DC+AC RMS voltage measurements (requires product registration)
Trigger Frequency Counter	8-digit frequency counter (requires product registration)

Power System

Parameter	Value
Power Consumption	400 W maximum
AC Input Voltage	100 V to 240 V AC ±10% at 50 Hz to 60 Hz; 115 V AC ±10% at 400 Hz

Environmental & Mechanical

Parameter	Value
Operating Vibration	0.31 g RMS, 5 Hz to 500 Hz, 10 minutes per axis, 3 axes
Non-Operating Vibration	2.46 g RMS, 5 Hz to 500 Hz, 10 minutes per axis, 3 axes
Operating Shock	50 g, 11 ms, half-sine shock pulse
Security Slot	Kensington-style lock slot on rear panel

Standards and Compliance

Parameter	Value
Safety Certifications	UL 61010-1, CAN/CSA-C22.2 No. 61010-1, EN 61010-1, IEC 61010-1
EMC Compliance	EU: EMC Directive 2014/30/EU, EN 61326-1, EN 61326-2-1; Australia/New Zealand: AS/NZS CISPR 11

Signal Generator (Optional AFG)

Parameter	Value
AFG Sine Wave Frequency Range	0.1 Hz to 50 MHz
AFG Square / Pulse Wave Frequency Range	0.1 Hz to 25 MHz
AFG Ramp / Triangle Wave Frequency Range	0.1 Hz to 500 kHz
AFG Real-Time Sample Rate	250 MS/s
AFG Amplitude Range (50 Ω)	10 mVp-p to 2.5 Vp-p
AFG Amplitude Range (1 MΩ)	20 mVp-p to 5.0 Vp-p

Digital Voltmeter (DVM)

Parameter	Value
DVM Voltage Resolution	4 digits
DVM Measurement Types	DC, AC RMS + DC, AC RMS

Trigger Frequency Counter

Parameter	Value
Trigger Frequency Counter Resolution	8 digits

Search and Mark

Parameter	Value
Search and Mark Maximum Events	10,000 events

Display

Parameter	Value
Touch Screen Type	Capacitive

Technology

Digital Phosphor / Mixed Signal

Applications

Embedded Systems Debug, Power Integrity, Automotive Ethernet, Jitter and Noise Analysis