350 MHz 8Ch 12-Bit Rack-Mount Oscilloscope

Overview

The UPO6038LP is a 12-bit, 350 MHz bandwidth, 8-channel high-resolution oscilloscope on UNI-T's UPO6000LP 1U rack-mount platform. The chassis interleaves to 5 GSa/s, holds 500 Mpts/CH of memory, and captures 500,000 waveforms per second (up to 1 M wfm/s in sequence mode) through the Ultra Phosphor 3.0 display engine. The 12-bit native ADC delivers 4× the vertical resolution of an 8-bit scope at every gain setting — small-signal detail resolves without the gain shifts that 8-bit instruments require to recover it.

The UPO6038LP ships in an 8-channel configuration. The chassis supports the optional single-phase and three-phase power analysis suites — neither is available on the 4-channel chassis. Twelve serial protocol families decode across industrial, automotive, computer, embedded, and audio buses. The 1U headless form factor stacks into 19-inch racks and synchronizes to other chassis for combined-channel capture.

Choosing Your Model — UPO6000LP High-Resolution Oscilloscopes

All six UPO6000LP models share the same 12-bit native ADC, 5 GSa/s interleaved sample rate, 500 Mpts/CH memory depth, 500,000 wfm/s capture rate, Ultra Phosphor 3.0 display, 56-parameter measurement suite, and 1U headless rack-mount chassis. The matrix below shows the differentiators that vary across the family — bandwidth determines rise time and the highest-frequency content the front end resolves; channel count determines which advanced options the chassis can carry. The 4-channel chassis accepts the optional built-in 50 MHz AWG; the 8-channel chassis accepts the single-phase and three-phase power analysis options.

Key Features

• 12-bit native vertical resolution at every gain setting — 4× the dynamic range of an 8-bit scope, with HR mode extending effective resolution to 16 bits
• 350 MHz analog bandwidth with ≤1.00 ns rise time (typical)
• 5 GSa/s real-time sample rate interleaved, 2.5 GSa/s non-interleaved on each channel
• 500 Mpts/CH maximum memory depth — capture tens of thousands of waveform cycles in a single acquisition
• 500,000 wfms/s capture rate via Ultra Phosphor 3.0; 1,000,000 wfms/s in sequence mode
• 8 analog channels on a 1U headless rack-mount chassis with HDMI display output
• Single-phase advanced power analysis option — 13 measurement types including switching loss, Rds(on), surge current, and SOA
• Three-phase power analysis option — synchronous voltage and current capture with space-vector diagram (8-channel models only)
• 12 serial protocol families — RS232/422/485/UART, I²C, and SPI standard; CAN, CAN-FD, LIN, FlexRay, SENT, audio, MIL-STD-1553, ARINC429, and Manchester optional
• 56 automated parameter measurements with histogram and trend statistics
• Zone triggering and hardware-accelerated mask test for intermittent-anomaly isolation
• 5 Mpts FFT for spectrum analysis up to the Nyquist limit
• Multi-machine synchronization — combine up to 16 UPO6000LP chassis for 64-channel (4-ch) or 128-channel (8-ch) acquisition
• USB Host (×4), USB Device, LAN (VXI-11), HDMI, 10 MHz reference in/out — full SCPI 1999.0 / IEEE-488.2 control
• WebServer remote control from PC or mobile device, plus free UNI-T instrument management software

UNI-T UPO6038LP Details

12-Bit Native Resolution with Ultra Phosphor 3.0 Display Engine

Vertical resolution is 12 bits native at every gain setting. An 8-bit oscilloscope offers 256 ADC codes; the 12-bit ADC provides 4,096 codes — 4× the dynamic range and 16× the amplitude granularity. Low-amplitude features on a high-amplitude carrier resolve directly without rescaling the input range. HR (high-resolution) acquisition mode raises effective resolution further, up to 16 bits.

Ultra Phosphor 3.0 is UNI-T's proprietary capture and display engine. Multi-bank interleaved mapping and a segmented matrix processing architecture push capture rate to 500,000 wfm/s in standard mode, 1,000,000 wfm/s in sequence mode. Information-entropy-based abnormal-signal detection runs in hardware, so intermittent events that appear once per million cycles land in the persistence buffer rather than going missed between triggers.

All-in-One Instrument Platform

The UPO6038LP integrates multiple instruments into one chassis: digital storage oscilloscope, hardware frequency counter (7-digit, multi-channel), 4-digit RMS voltmeter, FFT spectrum analyzer (up to 5 Mpts), 56-parameter automated measurement suite, serial protocol decoder (12 families), and timing analyzer. The 4-channel configuration adds an optional 50 MHz function/arbitrary waveform generator. Each function uses the same calibrated front end, eliminating impedance and timebase drift between separate instruments.

Bench space, BNC inventory, calibration overhead, and inter-instrument synchronization consolidate into one chassis — cross-domain debug across voltage waveform, frequency content, protocol decode, and parameter trend on one time axis.

Zone Triggering — Isolate Intermittent Anomalies

Zone triggering captures intermittent anomalies that conventional trigger logic cannot isolate. Engineers draw a rectangular zone on the touch UI or via SCPI and the instrument captures only waveforms that enter (or avoid) the zone. The behavior simplifies debug for glitches, runt pulses, jitter excursions, and protocol field violations that standard edge or pattern triggers cannot pin to a stable display.

Two zones combine with Boolean logic — capture only waveforms entering zone A AND zone B, or A AND NOT B. The zones travel with the waveform across acquisitions; once a fault is defined it stays captured for the test duration.

12 Serial Protocols with Decode, Trigger, and Event Search

Twelve serial protocol families are decodable. Three ship standard: RS232/422/485/UART, I²C, and SPI. The remaining nine are licensed options: CAN and CAN-FD (industrial and motor drives), LIN (low-speed sensor networks), FlexRay (deterministic distributed control), SENT, audio (I²S/LJ/RJ/TDM), MIL-STD-1553, ARINC 429, and Manchester.

Protocol decode pairs with serial-bus trigger and protocol-event search — find a specific frame ID or data payload across the full memory depth without paging through millions of cycles manually. Decoded data exports as a conformance report for design verification.

56-Parameter Measurement Suite with Histogram and Trend Statistics

The instrument supports 56 automated parameter measurements covering voltage, time, area, frequency, slew rate, duty cycle, jitter, eye-pattern parameters, and statistical aggregates. Up to 27 parameters display simultaneously; 9 parameters per page show full statistics including measured value, histogram of the distribution, and trend plot over time. The parameter snapshot function captures 39 measurements for a single channel in one read.

Three measurement strategies — amplitude, top-value, and base-value — tune how the instrument computes parameters on noisy, modulated, or non-flat-top signals. A burst-setup function adds burst-specific parameters (burst width, repetition rate, intra-burst period) for pulsed and packetized signals.

Hardware-Accelerated Mask Test

Mask test compares each acquired waveform against a tolerance template and counts pass/fail in hardware. The test uses an FPGA-resident comparator and runs at full waveform-capture rate — testing that takes minutes on software-only platforms completes in seconds on the UPO6000LP. Mask shapes are user-defined or imported from compliance specifications.

Pass/fail output is wired through the AUX BNC for production-line integration; the instrument can stop on first fail, count to a threshold, or log failure waveforms to USB while continuing.

Math, Digital Filters, and 5 Mpts FFT

The math system supports the four arithmetic operations between analog channels (+, −, ×, ÷), four digital filter types (high-pass, low-pass, band-pass, band-limit) with user-set cutoff and order, and custom function operations that combine multiple channels through user-defined expressions. Math waveforms are full-rate and can be used as trigger or measurement sources.

FFT spectrum analysis runs up to 5 Mpts with five window functions, displaying magnitude, phase, real, or imaginary content with cursor and peak-search — sufficient to resolve narrow spectral features at high span and to support EMI pre-compliance work.

Search and Navigate Across 500 Mpts of Memory

Capturing 500 Mpts of memory per channel means hours of waveform activity in a single acquisition. The search engine indexes user-defined events — edges, pulse widths, runt pulses, protocol decode values, mask violations — across the entire memory and lets the user step between matches with the navigation controls.

Search and navigation pair with the zoom architecture; the engineer jumps from event to event at full resolution without leaving the record. Events are bookmarked and exported with the waveform file for later analysis on a connected PC.

1U Rack-Mount Chassis and Multi-Machine Synchronization

The UPO6038LP is a 1U headless rack-mount chassis — no integrated display, no front-panel keys beyond the power button. Control is via the external touch display (HDMI), the WebServer interface (LAN or USB), or SCPI from a host system. The 1U form factor stacks into 19-inch racks; multiple chassis share one bench display via KVM.

Multi-machine synchronization combines up to 16 chassis into a coordinated acquisition system — 64 channels (4-ch) or 128 channels (8-ch). The sync subsystem distributes timebase, trigger, and 10 MHz reference across the rack; cross-chassis measurements share one time axis without external delay-line compensation.

WebServer Remote Control and SCPI Automation

The UPO6038LP runs an embedded WebServer accessible from any browser on the same network. Open the chassis IP in a PC or mobile browser and the instrument's display, controls, and waveform data render in the browser. SCPI commands route through the same interface for automation; waveform files and the user manual download directly to the host. The architecture eliminates the need for a vendor-specific driver or installer for casual remote access.

Higher-throughput automation runs through the SCPI 1999.0 / IEEE-488.2 command set over USB-Device or LAN (VXI-11). LabVIEW, Python-VISA, and any standard ATE framework integrate directly. The free UNI-T instrument management software for Windows handles bulk waveform pull, settings save/restore, and firmware update.

Power Analysis and Three-Phase Power Analysis (Optional, 8-Channel Only)

The UPO6038LP supports the optional UPO6000LP-PWR single-phase power analysis — 13 measurement types: power quality, harmonics, switching loss, Rds(on), SOA, surge current, slew rate, modulation, ripple, transient response, efficiency, turn-on/off time, and timing. Values compute from the voltage and current channels with connected probes; no external wattmeter needed.

The optional UPO6000LP-3PWR three-phase package adds synchronous voltage and current sampling across all three phases — power quality, harmonic analysis, ripple, efficiency, and DQ0 analysis with space-vector display. Real-time display accelerates debug of motor drives, EV inverters, and grid-tied power conversion. Both options are 8-channel-only.

Primary Applications

Multi-Channel R&D Validation and Debug

The 12-bit ADC and 5 GSa/s sample rate make the UPO6038LP a primary debug instrument for mixed-signal designs where small-signal detail matters. Low-amplitude noise on a high-amplitude rail, slow droop on a switching transient, and protocol-field margin violations all resolve at one gain setting without rescaling. The 500 Mpts memory holds a full debug session for after-the-fact search.

ATE Integration and Long-Duration Automated Test

The headless 1U rack-mount chassis is built for automated test environments. SCPI 1999.0 / IEEE-488.2 over LAN (VXI-11) or USB integrates with LabVIEW, Python-VISA, and any major ATE framework. Hardware-accelerated mask test runs pass/fail at full capture rate; the AUX output drives production-line bin sorters directly. Multi-machine sync scales channel count for parallel device-under-test stations sharing one timebase.

Power Integrity and Switching Power Supply Characterization

The 8-channel chassis supports the single-phase and three-phase power analysis options. Combined with 12-bit vertical resolution, the instrument resolves switching-loss waveforms, Rds(on) ramps, and inrush currents that 8-bit scopes compress into noise. Three-phase analysis captures motor drives and inverters on three voltage and three current channels with real-time space-vector display.

Accessories and Family Options

UPO6000LP Family Members

Available Options

• UPO6000LP-PWR — Single-phase advanced power analysis (8-channel chassis only)
• UPO6000LP-3PWR — Three-phase power analysis with space-vector diagram (8-channel chassis only)
• UPO6000LP-TIMING — Timing analyzer for bus communication timing (I²C, SPI, CAN, I²S)
• UPO6000LP-CAN, UPO6000LP-CANFD, UPO6000LP-LIN, UPO6000LP-FLEX, UPO6000LP-SENT — Automotive and industrial serial bus decode options
• UPO6000LP-AUDIO — Audio bus decode option (I²S, left/right justified, TDM)
• UPO6000LP-MIL1553, UPO6000LP-ARINC429, UPO6000LP-MANCH — Additional serial bus decode options
• UPO6000LP-BND — Software analysis bundle
• UPO6000LP-AUTO — Vehicle bus diagnostic bundle

Recommended Probes

• UT-P08A — 600 MHz passive voltage probe (for 350 MHz and 500 MHz chassis)
• UT-P09A — 1.5 GHz passive voltage probe (for 1 GHz chassis)
• UT-PA2000 — 2 GHz active single-ended voltage probe
• UT-P40 series — AC/DC current probes (range 20 A to 500 A)

Frequently Asked Questions

What does "headless rack-mount" mean — do I need an external display?

The UPO6000LP chassis is a 1U rack-mount form factor with no integrated display. Operation is via an external touch display on the HDMI port, the WebServer interface in any browser, or SCPI from a host system. The headless architecture trades the front-panel screen for rack density — multiple chassis share one bench display through a KVM switch.

Can I synchronize multiple UPO6000LP chassis?

Yes. Up to 16 chassis combine on a shared timebase, trigger, and 10 MHz reference — 64 channels (4-ch) or 128 channels (8-ch). The chassis present as one combined acquisition system to the SCPI controller.

Does the 8-channel model include a built-in waveform generator?

No. The built-in 50 MHz AWG is 4-channel-only; the 8-channel chassis cannot accept the Gen option. For 8-channel applications requiring AWG stimulus, an external UNI-T UTG-series benchtop AWG pairs with the chassis over LAN or USB.

What's the difference between standard and sequence-mode capture rate?

Standard capture rate is 500,000 wfm/s — new waveforms acquired and processed into the persistence display in real time. Sequence mode raises capture rate to 1,000,000 wfm/s by storing memory segments to a high-speed buffer for post-acquisition display. Sequence mode is preferred for intermittent-event capture; standard mode for continuous-trace persistence work.

Do I need specific probes for the power analysis option?

The power analysis software runs on whatever voltage and current probes are connected. For switching-supply work, pair a high-voltage differential probe (UT-PA series) with an AC/DC current probe (UT-P40 series, sized to the load). The chassis computes analysis from the captured channels — probe selection determines accuracy and bandwidth, not feature availability.

×Ultra Phosphor 3.0 persistence display — 500,000 wfm/s standard, 1 M wfm/s sequence

×Multiple instruments integrated into one calibrated chassis

×Zone triggering — isolate intermittent anomalies

×12 serial protocol families with trigger, decode, and event search

×56 automated measurements with histogram and trend statistics

×FPGA-resident mask test — runs at full capture rate

×Math operations, digital filters, and 5 Mpts FFT

×Event search across 500 Mpts of memory with navigation

×1U rack-mount form factor — stacks into 19-inch racks

×Multi-machine sync — up to 16 chassis combined

×WebServer remote control from PC or mobile browser

×Power analysis — single-phase and three-phase with space-vector display