Lecroy SPARQ-4002M 信号完整性网络分析仪 (40 GHz,2端口,手动校准)
制造商: LECROY Model: SPARQ-4002M - 报价要求
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The SPARQ signal integrity network analyzers connect directly to the device-under-test and to PC-based software through a single USB connection for quick, multi-port S-parameter measurements.
SPARQ is the ideal instrument for characterizing multi-port devices common in signal integrity applications at a fraction of the cost of traditional methods. It is ideal for:
- Development of measurement-based simulation models
- Design validation
- Compliance testing
- High performance TDR
- PCB testing
- Characterizes crosstalk on multi-lane differential structures
- Portable measurement requirements
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.
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.
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.
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without user intervention, so one can calibrate often without resorting to the use of saved calibrations that are out-of-date and lead to incorrect measurements.
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.
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.
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, please download the full PDF datasheet.
General |
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Ports |
2 |
Calibration |
Manual |
Operating Frequency |
DC to 40 GHz |
S-parameter Measurements |
Single-ended and mixed mode (calculated) |
Calibration Method |
OSLT |
Connector Type |
2.92 mm |
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Standard Measurement Capability |
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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 |
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Pulser / Sampler and Time base |
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Step Amplitude |
200 mV (nominal top-base, 50 ohm termination) |
Rise Time |
6 ps 20-80% typical - as measured by sampler |
Noise |
-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 |
Jitter |
<= 300 fs rms |
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Power Requirements |
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Voltage |
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) |
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Internal Switching Relays |
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Frequency Rating |
40 GHz |
Rated Life |
2 million actuations per contact |
Insertion Loss |
< 1.1 dB at 40 GHz |
VSWR |
< 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) |
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Environmental and Safety |
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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 |
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Physical Dimensions |
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Dimensions (HWD) |
7" H x 13.1" W x 13.6" D (178 x 332 x 345 mm) |
Weight |
14.78 lbs. (6.70 kg) |
Shipping Weight |
26.78 lbs. (12.14 kg) |
Shipping Dimensions |
12" H x 25" W x 20.5" D (305 x 635 x 521 mm) |
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Recommended PC Requirements |
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Operating System |
Microsoft Vista® or Windows® 7, 64-bit |
Processor |
Intel Core 2 Duo @ 2.4 GHz or better |
Memory |
4 GB RAM or better |
Hard Disk |
2 GB available free space |
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