UTS3015T+ 1.5 GHz Spectrum Analyzer with Tracking Generator

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.ut-cat{color:#333;font-family:Arial,Helvetica,sans-serif;line-height:1.5;} .ut-cat h4{color:#1a1a1a;font-size:1.15em;margin:1.5em 0 .5em;padding-bottom:.25em;border-bottom:2px sol id #ccc;} .ut-cat h2{color:#1a1a1a;font-size:1.25em;margin:1.2em 0 .4em;} .ut-cat h3{color:#222;font-size:1.05em;margin:1em 0 .3em;} .ut-cat p{margin:.6em 0;} .ut-cat ul{margin:.5em 0;padding-left:1.4em;}.ut-cat li{margin:.25em 0;} .ut-cat img{max-width:100%;height:auto;} .ut-cat table{border-collapse:collapse;width:100%;margin:.5em 0;} .ut-cat th,.ut-cat td{border:1px solid #ddd;padding:6px 10px;text-align:left;vertical-align:top;} .ut-cat td strong{color:#222;} Overview The UTS3015T+ and UTS3032T+ bring 1.5 GHz and 3.2 GHz spectrum analysis, a built-in tracking generator, and reflection measurement into a single bench instrument under two thousand dollars. For a small hardware team or a contract test bench, that means one box covers signal search, scalar network checks, and pre-compliance screening without three separate purchases. Both models hold a typical displayed average noise level to −161 dBm (preamp on, a shared series figure), phase noise below −98 dBc/Hz at 10 kHz offset, and full-amplitude accuracy under 0.7 dB — numbers that hold up under real measurement conditions, not peak-only figures. A 10.1-inch 1280×800 capacitive touch screen and full SCPI control over USB and LAN make the instrument scriptable from day one. Tracking generator is built in on every T+ model — it is the defining difference of the T+ line and is standard, not an added option. Analog demodulation, the advanced measurement kit, and EMI pre-compliance remain field-installable options when a project needs them. Choosing Your Model — UTS3000T+ Performance-Series The UTS3000T+ name spans two materially different instrument classes. The four models below do not share the same sweep engine, trace count or demodulation capability — the differences go well beyond frequency reach. Compare the full series before selecting: Specification UTS3015T+ UTS3032T+ UTS3036T+ UTS3084T+ Frequency range 9 kHz – 1.5 GHz 9 kHz – 3.2 GHz 9 kHz – 3.6 GHz 9 kHz – 8.4 GHz Sweep (scan) points 10,001 10,001 40,001 40,001 Traces 4 4 6 6 Analog demodulation (option) AM, FM AM, FM AM, FM, PM AM, FM, PM Tracking generator range 100 kHz – 1.5 GHz 10 MHz – 3.2 GHz 100 kHz – 3.6 GHz 100 kHz – 6 GHz Resolution bandwidth 1 Hz – 3 MHz 1 Hz – 3 MHz 1 Hz – 3 MHz 1 Hz – 3 MHz Built-in tracking generator Standard Standard Standard Standard Within the UTS3015T+/UTS3032T+ class, choose by frequency reach (1.5 GHz vs 3.2 GHz). Within the UTS3036T+/UTS3084T+ class, choose 3.6 GHz or 8.4 GHz reach. Across classes the UTS3036T+/UTS3084T+ models add a 40,001-point sweep (4× the depth), six traces instead of four, and PM demodulation in addition to AM/FM — confirm which class a model belongs to before assuming a shared specification. Key Features Spectrum analysis to 1.5 GHz or 3.2 GHz — 9 kHz lower edge to a 1.5 GHz (UTS3015T+) or 3.2 GHz (UTS3032T+) upper edge, covering HF through the common sub-3 GHz ISM, IoT and wireless bands. Built-in tracking generator — Standard on both models — scalar frequency-response and insertion-loss measurement on filters, amplifiers and cables without a separate source. Reflection measurement (S11) — Return loss, VSWR and reflection coefficient with the optional VSWR bridge — antenna and cable checks on the same bench. −161 dBm typical DANL (preamp on) — Low displayed average noise level for weak-signal work near the noise floor — a shared series figure, identical across both models at their top frequencies. 1 Hz to 3 MHz resolution bandwidth — 1-3-10 steps with < 4.8:1 shape factor to separate closely spaced signals of unequal amplitude. 10,001 sweep points, four traces — Per-trace resolution across the full span with four independent traces and five detector modes. 10.1-inch multi-touch interface — 1280×800 capacitive screen with drag, pinch and zoom on the trace. Full SCPI remote control — USB and LAN (VXI11) with SCPI for scripted, repeatable test sequences. Option-extensible — Add analog demodulation, the advanced measurement kit, or EMI pre-compliance as the work requires. UNI-T UTS3000T+ Performance-Series Details Spectrum Coverage and the Built-in Tracking Generator The UTS3015T+ sweeps 9 kHz to 1.5 GHz and the UTS3032T+ to 3.2 GHz. Both carry a built-in tracking generator (−40 dBm to 0 dBm output, 0.5 dB resolution), so a swept frequency-response measurement on a filter or amplifier is set up on the analyzer itself rather than wired to an external generator. Built-in tracking generator output×Built-in tracking generator output Sensitivity for Weak-Signal Work With the preamp enabled, typical displayed average noise level reaches −161 dBm (500 kHz to 200 MHz band). This is a shared series figure — both models hold the same typical noise floor at their respective top frequencies. A low noise floor is what lets a small signal be seen rather than buried, which matters for spur hunting and low-level emissions checks. Low displayed average noise level×Low displayed average noise level Resolution Bandwidth and Selectivity RBW is settable from 1 Hz to 3 MHz in 1-3-10 steps. The < 4.8:1 (60 dB/3 dB) shape factor resolves adjacent signals of unequal amplitude — the case where a strong carrier would otherwise mask a nearby weak product. RBW selectivity, unequal-amplitude signals×RBW selectivity, unequal-amplitude signals 10,001-Point Sweep Each trace carries 10,001 points across the selected span, giving the frequency resolution needed to catch narrow signals that a coarser sweep would step over. 10,001-point sweep×10,001-point sweep Reflection Measurement With the optional VSWR bridge and the built-in tracking source, the analyzer measures S11 return loss, reflection coefficient and VSWR. After an Open calibration, a marker on the trace reads the value at any frequency — enough for antenna tuning and cable-fault checks without a dedicated VNA. S11 return loss / VSWR×S11 return loss / VSWR 10.1-inch Multi-Touch Operation The 1280×800 capacitive screen supports drag, expand and zoom directly on the trace, with a fixed menu layout that keeps common settings one or two presses away. 10.1-inch capacitive touch×10.1-inch capacitive touch Applications Contract Test Labs and Design Consultancies For a single-digit-engineer shop, bench space and budget are both finite. One UTS3015T+ or UTS3032T+ covers signal search, scalar network response with the built-in tracking generator, return-loss checks with the reflection-measurement bridge, and — with the EMI option — early conducted/radiated screening before a formal CISPR run. SCPI over LAN drops it straight into a Python or LabVIEW acceptance-test procedure. No per-feature license conversations: the options are one-time installs, not recurring fees. Bench RF Design and Validation On a design bench, the same instrument verifies oscillator output, checks harmonic and spurious content against a target, characterizes a filter or matching network with the tracking generator, and confirms antenna match with the VSWR bridge. The < 0.7 dB full-amplitude accuracy and −161 dBm typical DANL mean the numbers used in a design-verification report hold up under the conditions they were measured in. Accessories and Family Options The tracking generator is built in on every UTS3015T+ / UTS3032T+ model. Field-installable options: UTS3000-AMA Analog Demodulation, UTS3000-AMK Advanced Measurement Kit, UTS3000-EMI EMI Pre-Compliance. The tracking generator is standard — it is not an added option on the T+ line. Frequently Asked Questions Does the tracking generator cost extra on the T+? No. The tracking generator is built in and standard on every UTS3000T+ model, including the UTS3015T+ and UTS3032T+. It is the defining feature of the T+ line. What is the difference between the UTS3015T+ and the UTS3032T+? Frequency reach and sensitivity. The UTS3015T+ covers 9 kHz to 1.5 GHz; the UTS3032T+ covers 9 kHz to 3.2 GHz. Both models share the same typical noise floor at their top frequencies, plus the same 10,001-point sweep engine, four traces, RBW range, touch interface and built-in tracking generator. The difference is frequency reach: 1.5 GHz versus 3.2 GHz. See Choosing Your Model above. Can it do EMI pre-compliance? With the optional UTS3000-EMI kit, yes. It adds CISPR-bandwidth RBWs (200 Hz, 9 kHz, 120 kHz, 1 MHz), quasi-peak and EMI-average detectors and editable limit lines for screening with a near-field probe set before a formal compliance run. How is it controlled remotely? Full SCPI over USB or LAN (VXI11). It integrates with Python, LabVIEW and MATLAB through standard VISA. Specifications Frequency range 9 kHz to 1.5 GHz Sweep span 0 Hz, 100 Hz to 1.5 GHz Resolution bandwidth 1 Hz to 3 MHz, 1-3-10 steps Video bandwidth 1 Hz to 3 MHz, 1-3-10 steps Selectivity (60/3 dB) < 4.8:1 (60 dB / 3 dB, nominal) Sweep points / trace 10,001 Traces 4 Detectors Sample, Peak, Negative, Normal, Average DANL (typical, preamp on) typical displayed average noise level to -161 dBm (preamp on, 500 kHz-200 MHz band; identical at each model's top frequency) Phase noise < -98 dBc/Hz @ 10 kHz offset (typical) Full-amplitude accuracy < 0.7 dB full-amplitude accuracy Reference level -100 dBm to +30 dBm, 1 dB steps Preamplifier 20 dB (nominal) Input attenuator 0 to 51 dB, 1 dB step Max safe input 50 V DC; 20 dB) Tracking generator range 100 kHz to 1.5 GHz TG output level -40 dBm to 0 dBm, 0.5 dB resolution, +/-3 dB flatness Reflection measurement VSWR, return loss, reflection coefficient (S11); requires VSWR bridge + tracking source; excitation -20 to 0 dBm, Open calibration Analog demod (option) AM, FM — UTS3015T+ 2 MHz to 1.5 GHz, UTS3032T+ 2 MHz to 3.2 GHz Advanced measurement kit (option) Channel power, power spectral density, ACP, occupied bandwidth, transmit frequency error, zero-span (T-power), CNR, TOI, harmonics (to 10th), spectrum monitor / spectrogram EMI pre-compliance (option) CISPR RBWs 200 Hz/9 kHz/120 kHz/1 MHz; Peak/Neg-Peak/Quasi-Peak/EMI-Avg/Avg detectors; editable limit lines Display 10.1-inch 1280x800 capacitive multi-touch panel Interfaces USB-Host (USB-A), USB-Device (USB-B), LAN (VXI11) 10/100/1000Base RJ-45, HDMI 1.4 Remote control Full SCPI remote control over USB / LAN Dimensions / weight 378 mm x 218 mm x 120 mm (W x H x L); 4.55 kg Operating temperature 0 C to +40 C operating; -20 C to +70 C non-operating Calibration period 12 months recommended Documentation UTS3015T+ Datasheet, User Manual, and Software/Firmware Downloads Options & Accessories Included in box: Power cord USB2.0 printing cable English download guide multi-language safety manual calibration report (COC) Show more