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home > MSO46B 4-BW-350 Tektronix Mixed Signal Oscilloscope New > MSO46B 4-BW-350 Tektronix Mixed Signal Oscilloscope New

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MSO46B 4-BW-350 Tektronix Mixed Signal Oscilloscope NewKey Features at a Glance 6 FlexChannel inputs each usable as 1 analog channel, 8 digital logic inputs (with TLP058), or simultaneous analog + spectrum Bandwidth: 350 MHz (factory configured; field upgradable via node locked license) 12 bit ADC, extending to 16 bits in High Res mode at 125 MS s Sample rate: 6. 25 GS s real time on all analog and digital channels Record length: 31. 25 Mpoints standard (62. 5 Mpoints optional, 4 RL 1) Waveform capture

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Key Features at a Glance

6 FlexChannel® inputs — each usable as 1 analog channel, 8 digital logic inputs (with TLP058), or simultaneous analog + spectrum
Bandwidth: 350 MHz (factory-configured; field-upgradable via node-locked license)
12-bit ADC, extending to 16 bits in High Res mode at ≤125 MS/s
Sample rate: 6.25 GS/s real-time on all analog and digital channels
Record length: 31.25 Mpoints standard (62.5 Mpoints optional, 4-RL-1)
Waveform capture rate: >500,000 wfms/s (>5,000,000 with FastFrame™)
Display: 13.3 in optically-bonded 1,920 × 1,080 HD capacitive multi-touch
Maximum digital channels: 48 (with 6 × TLP058)

Tektronix MSO46B 350 MHz — 4 Series B Mixed Signal Oscilloscope

Name: MSO46B 4-BW-350 Tektronix Mixed Signal Oscilloscope New
Brand: www.carladuclos.com
SKU: 80628559289
Price: 10350.00 USD
Availability: InStock
Rating: 4.707400000000001 (1431 reviews)

In summary, the Tektronix MSO46B is a 6-channel Mixed Signal Oscilloscope from the 4 Series B platform, configured with 350 MHz of analog bandwidth on 6 FlexChannel® inputs. It delivers a 12-bit ADC (16-bit in High Res mode), 6.25 GS/s real-time sample rate on all channels, 31.25 Mpoints standard record length (62.5 Mpoints optional), and a 13.3-inch optically-bonded 1,920 × 1,080 HD capacitive multi-touch display. Each unit ships with one TPP0500B passive probe per channel. The 4 Series B is the second generation of the 4 Series, with a new processing platform that more than doubles responsiveness and significantly accelerates measurements and data transfers.

What is the Tektronix MSO46B 350 MHz used for?

The MSO46B 350 MHz is used to verify and debug embedded systems, validate power converters, and characterize complex multi-channel designs requiring simultaneous time-domain, frequency-domain, and digital logic visibility. Tektronix identifies the platform as ideal for embedded systems, three-phase power electronics, automotive electronics, power supply design, and DC-to-DC power converters. FlexChannel® lets each input act as analog, eight digital inputs (with TLP058), or simultaneous analog + spectrum — so the instrument is reconfigurable without buying additional hardware.

How does the 4 Series B compare to a traditional 8-bit oscilloscope?

The 4 Series B uses a 12-bit ADC providing 16× the vertical resolution of traditional 8-bit ADCs, with High Res mode extending to 16 bits at ≤125 MS/s. Lower-noise front-end amplifiers further improve fine-detail resolution — critical for engineers measuring millivolt-level switching ripple on high-voltage rails.

Quantitatively, the MSO46B 350 MHz delivers >500,000 wfms/s standard capture (FastFrame™ to >5,000,000 wfms/s), ≤ 7 ps RMS trigger jitter in sample/edge mode, 36 automated measurements, and an auxiliary trigger input rated ≤ 300 V_RMS. Standard 1 MΩ DC gain accuracy is ±1.0% (±2.0% at 1 mV/Div and 500 µV/Div). Time base accuracy is ±2.5 × 10⁻⁶ over any ≥ 1 ms interval. Operating range 0 °C to +50 °C; Measurement CAT II (300 V).

The 4 Series B aligns with standards engineers expect: LXI Core 2016 v1.5; 10/100/1000BASE-T Ethernet; USB 2.0 Host, USB 3.0 SuperSpeed, USB 2.0 Device (USBTMC); the TekVPI® probe interface; IVI-COM drivers for LabVIEW, LabWindows/CVI, MATLAB, .NET, Python, and C/C++/C#; and three-phase harmonics analysis per IEEE-519 via optional 4-3PHASE. Optional three-phase electrical analysis (4-3PHASE) is available on the 6-channel model only. Safety: UL 61010-1, 61010-2-030; CAN/CSA-C22.2 No. 61010.1, 61010.2.030; EN 61010-1; IEC 61010-1, 61010-2-030; CE marked; RoHS compliant.

Why engineers choose the 6-channel 4 Series B

Six analog channels eliminate the trade-off when debugging multi-rail power converters, three-phase systems, or automotive electronics needing more than four simultaneous analog viewpoints.
Six-channel models are priced only ~20% above four-channel models — far less than the 50% one might expect — making the extra channels an unusually high-leverage investment.
Optional 4-3PHASE three-phase electrical analysis is exclusive to the 6-channel model: IEEE-519 harmonics, phasor diagrams, switching ripple, DC-to-three-phase-AC converter measurements (EV/inverter design).
Digital channels share the same 6.25 GS/s sample rate and up to 62.5 Mpoint record length as analog channels — eliminating the traditional MSO compromise.
Spectrum View provides independent time- and frequency-domain acquisition paths behind each FlexChannel® — both domains can be optimized simultaneously without the constant tuning of math-based FFTs.

Common applications

Embedded systems debug — time-correlated analog rails plus I²C, SPI, eSPI, I3C, UART, CAN, CAN FD, LIN, FlexRay, SENT, and other buses (with decode options)
Switch-mode power supply design — ripple, switching loss, dv/dt, di/dt, SOA, in-rush current, harmonics (4-PWR-BAS / 4-PWR)
Wide-bandgap (SiC / GaN) validation per JEDEC and IEC using the 4-WBG-DPT Double Pulse Test option, paired with IsoVu™ isolated probes
Mixed-domain analysis — Spectrum View + RF vs. Time + Spectrograms + IQ capture for noise hunting, EMI investigation, intermittent RF events
Compliance and production test — Mask/Limit testing (4-MTM), automated pass/fail, bus protocol triggering

Accessories Supplied

Passive probes	One TPP0500B per channel — 500 MHz probes (350/500 MHz models)
Installation & safety manual	Printed
Embedded Help	Built into the instrument
Power cord	Selected by region at order
Calibration certificate	Documenting traceability to National Metrology Institute(s); ISO 9001 / ISO 17025 quality system registration
Warranty	One year on instrument and one year on included probes

Product Core & Specifications

The 4 Series B pairs a 13.3-inch HD optically-bonded display — the largest in its class — with a streamlined front panel: color-coded LED light rings, dedicated Run/Stop, Single Sequence, Force Trigger, Default Setup, Autoset, and Quick-save buttons. Stacked display mode automatically gives each waveform its own graticule slice so every channel uses the full ADC range simultaneously, eliminating the visibility-vs-accuracy trade-off. Variable font sizing (12–20 point) scales the entire UI, and the capacitive touchscreen supports drag, pinch, expand, and swipe gestures.

Behind each FlexChannel®, Tektronix's patented Spectrum View architecture provides both a time-domain decimator and a frequency-domain digital downconverter (DDC). The two acquisition paths run independently, so time-domain settings (sample rate, record length, time/div) and frequency-domain settings (center frequency, span, RBW) can be optimized simultaneously — something math-based FFTs cannot do. Channel Power (CHP), ACPR, and Occupied Bandwidth (OBW) measurements are integrated as standard on each channel.

Model overview & vertical / horizontal system

FlexChannel inputs / max analog	6 / 6
Max digital channels (with TLP058)	48
Configured analog bandwidth	350 MHz
Bandwidth upgrade path	200 → 350 → 500 → 1000 → 1500 MHz (node-locked / floating license)
ADC resolution	12 bits (extending to 16 bits in High Res mode)
Vertical resolution by sample rate	8b @ 6.25 GS/s; 12b @ 3.125 GS/s; 13b @ 1.25 GS/s; 14b @ 625 MS/s; 15b @ 250 MS/s; 16b @ ≤125 MS/s
Sample rate	6.25 GS/s on all channels (160 ps resolution); 12.5–500 GS/s interpolated
Record length (std / opt)	31.25 Mpoints / 62.5 Mpoints (4-RL-1)
Waveform capture rate (typ.)	>500,000 wfms/s; FastFrame™ >5,000,000 wfms/s
Aux trigger input	≤ 300 V_RMS (Edge Trigger only)
DC Gain Accuracy	1 MΩ: ±1.0% (±2.0% at 1 mV/Div and 500 µV/Div); 50 Ω: ±1.0% (±2.5% at 1 mV/Div and 500 µV/Div)
Input coupling / impedance	DC, AC · 50 Ω ± 1%; 1 MΩ ± 1% with 13.0 pF ± 1.5 pF
Input sensitivity	1 MΩ: 500 µV/div to 10 V/div (1-2-5); 50 Ω: 500 µV/div to 1 V/div (1-2-5)
Max input voltage	50 Ω: 5 V_RMS (peaks ≤ ±20 V, DF ≤ 6.25%); 1 MΩ: 300 V_RMS (derated above 4.5 MHz)
Time base range / accuracy	20 ps/div to 1,000 s/div · ±2.5 × 10⁻⁶ over any ≥ 1 ms interval

Digital channels (TLP058) — vertical system

Channels per probe / max digital	8 (D7–D0) per TLP058, traded for 1 analog channel · max 48
Threshold range / resolution / accuracy	±40 V · 10 mV · ± [100 mV + 3% of threshold setting]
Input dynamic range / min swing (typ.)	30 V_pp ≤200 MHz, 10 V_pp >200 MHz · 400 mV_pp minimum
Min pulse width / abs max input / impedance	1 ns · ±42 V peak · 100 kΩ · 2 pF (typ.)

Trigger & acquisition

Modes / coupling / holdoff	Auto, Normal, Single · DC, HF Reject (>50 kHz), LF Reject (<50 kHz), Noise Reject · Holdoff 0 ns to 20 s
Standard triggers	Edge, Pulse Width, Runt, Timeout, Window, Logic, Setup & Hold, Rise/Fall Time, Parallel Bus, Sequence, Visual Trigger; Video (opt.); RF vs. Time (opt.)
Trigger jitter (typ.)	≤ 7 ps RMS (sample mode, edge-type trigger)
Acquisition modes	Sample · Peak Detect (640 ps glitches at all sweep speeds) · Averaging (2–10,240) · Envelope · High Res · FastAcq® · Roll · History · FastFrame™
FastAcq® rate	>500,000 wfms/s one channel; >100,000 wfms/s all channels
FastFrame™ trigger rate	>5,000,000 wfms/s; up to 1,500,000 frames at 50-pt frames

Measurements, math, Spectrum View

Cursors: Waveform, V Bars, H Bars, V&H Bars, Polar (XY/XYZ plots)
Automatic measurements: 36 standard — unlimited badges or collective results table; statistics across current acquisition and all acquisitions
Amplitude / timing categories: Amplitude, Max, Min, Pk-Pk, Overshoot, Mean, RMS, AC RMS, Top, Base, Area · Period, Frequency, Unit Interval, Data Rate, Pulse Width, Skew, Delay, Rise/Fall Time, Phase, Slew Rate, Burst Width, Duty Cycle, Setup/Hold Time
Math: arithmetic and advanced equation editor with filters and variables; Invert, Integrate, Differentiate, trig and log functions; user-loadable FIR filters
FFT: Spectral Magnitude/Phase, Real/Imaginary; Hanning, Rectangular, Hamming, Blackman-Harris, Flattop2, Gaussian, Kaiser-Bessel, TekExp windows
Spectrum View span / RBW: 18.6 Hz to 312.5 MHz span · 18.6 µHz to 15.625 MHz RBW (extends to 500 MHz / 25 MHz with 4-SV-BW-1)
RF measurements: Channel Power (CHP), ACPR, Occupied Bandwidth (OBW) — standard on each channel
RF vs. Time (4-SV-RFVT): Magnitude/Frequency/Phase traces; edge, pulse width, timeout RF triggers; Spectrograms; IQ capture

Optional protocol trigger, decode & search

I²C, SPI, eSPI, I3C, RS-232/422/485/UART, SPMI, SMBus, CAN, CAN FD, LIN, FlexRay, SENT, PSI5, CXPI, USB 2.0 (LS/FS/HS), eUSB2, Ethernet (10/100), EtherCAT, Audio (I²S/LJ/RJ/TDM), MIL-STD-1553, ARINC 429, Spacewire, NRZ, Manchester, SVID, SDLC, 1-Wire, MDIO, and NFC. Parallel buses up to 48 bits wide are standard and may combine analog and digital channels.

Probe compatibility & included probes

The instrument uses the TekVPI® probe interface, supporting direct attachment of TekVPI active, differential, and current probes — including TIVP Series IsoVu™ isolated probes — without external power. Up to 80 W is available at the front-panel connectors. Each MSO46B ships with one passive probe per channel matched to model bandwidth: TPP0250 (200 MHz models), TPP0500B (350/500 MHz models), TPP1000 (1 GHz/1.5 GHz models).

Important — Probe Selection: Included passive probes match the configured bandwidth. To realize the full 350 MHz at the probe tip, ensure any connected probe is rated at or above the instrument bandwidth. For low-voltage / low-loading work, the optional TPP0502 (500 MHz, 2× attenuation, 12.7 pF) is recommended. For floating, high-common-mode, or high-voltage differential measurements (inverters, SiC/GaN power, current shunts), the TIVP Series IsoVu™ optically isolated probes are appropriate — up to 1 GHz bandwidth, 120 dB CMRR @ 100 MHz, 2,500 V differential dynamic range, 60 kV common-mode range.

Display, connectivity, power, physical & environmental

Display	13.3 in (338 mm) optically-bonded LCD · 1,920 × 1,080 HD · capacitive multi-touch · Overlay/Stacked modes · variable font 12–20 pt
Processor / OS / storage	Intel x6413E Elkhart Lake 4-core at 1.5 / 3.0 GHz · Closed Linux · 64 GB eMMC
Interfaces	Front: 3× USB 2.0 Hi-Speed Host · Rear: 2× USB 3.0 SuperSpeed Host, 1× USB 2.0 Device (USBTMC), 10/100/1000BASE-T Ethernet, HDMI 1080p, external 10 MHz reference (±4 ppm), Aux BNC out · LXI Core 2016 v1.5 · Kensington lock
Power / dimensions / weight	400 W max · 100–240 V ±10% · H 11.299 in · W 15.9 in · D 6.1 in · MSO46B: <16.55 lbs (7.5 kg) · 7U rackmount with optional RM4 kit
Operating temperature / altitude / humidity	0 °C to +50 °C · up to 3,000 m operating (12,000 m non-op) · 5–90% RH to +40 °C, 5–50% RH +40 to +50 °C, non-condensing
Safety / regulatory	UL 61010-1 & 61010-2-030; CAN/CSA-C22.2 No. 61010.1 & 61010.2.030; EN 61010-1; IEC 61010-1 & 61010-2-030; CE; RoHS; CAT II (300 V)

Optional functionality & software bundles

4-RL-1: Extend record length to 62.5 Mpoints/channel
4-AFG: Integrated 50 MHz Arbitrary/Function Generator — 13 waveforms, 250 MS/s, up to 128 k point arb memory
4-PWR-BAS / 4-PWR: Power measurements and advanced power analysis (FRA/Bode, PSRR, Magnetics with 4-PWR)
4-WBG-DPT: Wide-Bandgap SiC/GaN Double Pulse Test (JEDEC/IEC)
4-MTM: Mask & Limit testing
4-SV-RFVT / 4-SV-BW-1: Spectrum View RF vs. Time + Spectrograms + IQ capture / extend Spectrum View capture bandwidth to 500 MHz
4-VID: NTSC, PAL, SECAM video triggering
4-3PHASE: Three-phase electrical analysis — IEEE-519 harmonics, phasor diagrams, switching ripple (6-channel only)
Free with product registration: 4-digit Digital Voltmeter (DC, AC RMS, DC+AC RMS) and 8-digit Trigger Frequency Counter
Software bundles: 4-STARTER, 4-PRO-SERIAL, 4-PRO-POWER, 4-PRO-AUTO, 4-PRO-MILGOV, 4-ULTIMATE — 1-year subscription or perpetual

Important Note — Software Options: Software options ship as license keys and are not always pre-installed. Contact your Test Architect before ordering if a specific bundle, decode option, or analysis package is required for your application — we will confirm which options can be activated on the unit you are quoted and whether perpetual or subscription licensing best matches your budget cycle.

This webpage was written by a human with an A.I. "Intern", which may contain errors. Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.