Lecroy SPARQ-3004E 신호 무결성 네트워크 분석기 (30 GHz, 4 포트, 내부 캘리브레이션)

  • 생산업체: LECROY
    Model: SPARQ-3004E
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High-bandwidth, Multi-port S-parameters for the Masses

S-parameter measurements are most often produced by a Vector Network Analyzer (VNA), a difficult instrument that is beyond many budgets. SPARQ is very affordable and simplifies measurements, making S-parameters accessible to all.

PC-Based, Small and Portable

Traditional instruments that produce S-parameters are large and fundamentally stationary. The SPARQ, in contrast, is small and weighs less than 20 lbs. It connects to any standard PC through a USB 2.0 interface, allowing SPARQ to run where computing power is easily upgraded.

S-parameters, Quick

VNA measurements begin with the unpleasant and complex task of calibration. This involves multiple connections that can produce misleading results due to operator error. The SPARQ provides calibrated measurements with a single connection to the device-under-test and offers simple setup choices. Start – and complete – the entire measurement with single button press.

Internal Calibration

SPARQ takes a revolutionary approach to calibration by building in calibration standards. This enables measurements to be made without multiple connection steps and removes the need for additional electronic calibration (ECAL) modules. Calibration proceeds quickly without user intervention, so one can calibrate often without resorting to the use of saved calibrations that are out-of-date and lead to incorrect measurements.

Includes the Tools That You Expect

A signal integrity network analyzer should include well integrated tools for providing measurement and analysis in both time and frequency domains. Signal integrity requires more than just S-parameters. The time-domain offers important insight as it shows the performance of the S-parameter models in simulation.

SPARQ includes all of the hardware and software tools standard to make signal-integrity measurements right out of the box. These tools include capabilities that cost extra on most instruments, including mixed-mode S-parameter conversion and port-renumbering, passivity, reciprocity and causality enforcement, and built-in time-domain views like impedance, rho, step response and impulse response. All time-domain results can be normalized to your system rise time.

The SPARQ hardware includes calibrated cables for each port, calibrated female 2.92 mm connectors for each port for adapting the connector gender, a universal wrench for holding most popular connector sizes, and a precision torque wrench.

Streamlined Setup

The simple setup shown in the main setup screen above is all that is needed to configure a SPARQ measurement. You provide the frequencies and number of ports and go. Helper information like time length help in frequency spacing choices and DUT length modes control the pulser repetition rate for faster measurements. Various measurement sequence control modes allow for trade-offs between dynamic range and speed with time estimates shown. All measurements proceed automatically without user intervention. Advanced screens are easily accessible for extra capability, including differential or mixed-mode measurements.

A Wide Variety of Measurement Types

SPARQ can perform all tests currently made with TDR or VNA instruments – only easier. Some measurements and tests that SPARQ performs include:

  • Impedance
  • Return loss
  • Impedance Imbalance
  • Insertion loss
  • Crosstalk (near- and far-end)
  • Differential- to common-mode conversion
  • Common- to differential-mode conversion
  • Intra-pair skew
  • Voltage transfer functions
  • Differential- and common-mode step response at input and output ports
  • Mode conversion step response
  • Both mixed-mode and single-ended measurements standard
  • Risetime normalization for all time-domain results
  • TDR and TDT mode

All measurements can be made in differential-mode, common-mode or single-ended, as applicable.

For More Information...

For more information, please download the full PDF datasheet.






Internal, Automatic

Operating Frequency

DC to 30 GHz

S-parameter Measurements

Single-ended and mixed mode (calculated)

Calibration Method

OSLT (internal)

Connector Type

2.92 mm


Standard Measurement Capability

Frequency Domain Displays

Magnitude, Phase, Real and Imaginary

Time Domain Displays

Impulse Response, Step Response, Rho, Z . normalized to specified rise time

Result Displays

Up to 16 measurements displayed simultaneously

Display Modes

Smith Chart, single, dual, tandem, triple, quad, quattro, hex, octal

De-embedding Modes

User cables, adaptors, and optional fixture

File Output

Touchstone 1.0

Result Actions

Auto-save and e-mail


Pulser / Sampler and Time base

Step Amplitude

200 mV (nominal top-base, 50 ohm termination)

Rise Time

6 ps 20-80% typical - as measured by sampler


-50 dBm (no averaging, bandwidth limited to 40 GHz)

Repetition Rate

5 MHz (normal DUT length mode) and 1 MHz (long DUT length mode) @ 30% duty cycle

Hardware Averaging

Fast Averaging at 10 Million Points/Second

Acquisition Rate

Normal DUT length mode: 250 acquisitions/second; Long DUT Length Mode: 50 acquisitions/second (nominal)

Acquisition Duration

Normal DUT Length Mode: 50 ns; Long DUT Length Mode: 250 ns

Dynamic Range

77 + 0.272 f - 0.931 sqrt(f) - 20 log(f); (typical, f in GHz; > 50 dB at 40 GHz in Normal sequence control mode)

Time Base Type

Coherent Interleaved Sampling (CIS)

Equivalent Time Sample Rate

204.8 GS/s


<= 300 fs rms


Power Requirements


100 to 240 VAC(+/- 10%) at 50/60 Hz; Automatic AC voltage selection

Max. Power Consumption

80 W (80 VA) (Operating Mode), 7 W (Standby)


Internal Switching Relays

Frequency Rating

40 GHz

Rated Life

2 million actuations per contact

Insertion Loss

< 1.1 dB at 40 GHz


< 1.8 @ 40 GHz

Switching Variation

Insertion loss: 0.05 dB, 0.9 deg, VSWR 0.087 @ 40 GHz

Single Relay Port-port Isolation

>50 dB @ 40 GHz (pulser / sampler port-port isolation > 100 dB @ 40 GHz)


Environmental and Safety

Temperature (Operating)

5 deg C to 40 deg C (Internal Calibration valid 20 deg C - 0 deg C)

Humidity (Operating)

Maximum relative humidity 80% for temperatures up to 30<C, decreasing linearly to 50% relative humidity at 40 deg C

Altitude (Operating)

Up to 10,000 ft (3,048 m) at or below 30<C


Physical Dimensions

Dimensions (HWD)

7" H x 13.1" W x 13.6" D (178 x 332 x 345 mm)


17 lbs. (7.711 kg)

Shipping Weight

29 lbs. (13.17 kg)

Shipping Dimensions

12" H x 25" W x 20.5" D (305 x 635 x 521 mm)


Recommended PC Requirements

Operating System

Microsoft Vista® or Windows® 7, 64-bit
(Note: The SPARQ application will run on Windows® 32 bit operating systems, but S-parameter calculation time will be impaired)


Intel Core 2 Duo @ 2.4 GHz or better


4 GB RAM or better

Hard Disk

2 GB available free space

Display Resolution

1280 x 780


USB 2.0 High-speed


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