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Leader LE1870 Digital Processing Jitter Meter

BH #LE1870 • MFR #LE1870
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Leader LE1870 Digital Processing Jitter Meter
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Leader LE1870 Overview

The LE1870 Digital Processing Jitter Meter from Leader is a unique meter that provides quick, accurate, and repeatable measurements in DVD, CD, and CD-R/RW applications. This unit is ideal for research & development, production, and quality-control measurement testing.

This unit offers a wide variety of precision measurement functionality. GO/NO-GO judgments facilitate routine inspections. Option equalizers allow you to test via direct pickup connections. Jitter can be measured at 3T through 11T + 14T and jitter readings are available in % clock frequency and sigma. Reading sensitivity is rated accurate at 50mV or more. Measurements can also be made at rise, fall, and data edge and 50 ohm and 10M ohm inputs allow for the use of a 10:1 probe.

This unit may be controlled through a remote control or panel functions. Configurable settings with memory stage also facilitate management of this unit.

Jitter Measurement
This unit provides quick, accurate, and repeatable measurements in DVD, CD, and CD-R/RW applications.
Measurement Features
This unit offers a wide variety of precision measurement functionality, including jitter measurement, jitter reading parameters, and reading sensitivity, among many other options.
Control
This unit may be controlled through a remote control or panel functions.
Configuration
Configurable settings with memory stage also facilitate management of this unit.

Leader LE1870 Specs

Inputs
  • EFM Signal
  • Input Couple: AC
  • Measurement Voltage Range: 50 mV to 5 V p-p
  • Input Impedance: 1 MΩ / 50Ω
  • Bandwidth: 50 MHz <-3 dB
  • Slice Level: Variable (± 2.5 V), Auto (Asymmetry On)
  • Maximum Input Voltage: ±5 V
  • Inhibit In Input Impedance: 100 kΩ
  • Input Signal: 0 -5 V (Measurement inhibit at 5 V)
  • Maximum Input Voltage: -0.7 V - +5.7 V
    • Outputs
  • Monitor Output: Output Signal, Input signal or the signal through the equalizer
  • Output Impedance: 50Ω
  • Digital Output Signal: EFM DATA signal, EFM CLOCK signal
  • Output Impedance: 50Ω
  • DC Output: Jitter
  • DATA to CLOCK: DVD: 0.05 V/% or 0.125 V/ns
  • 3T Pulse Width: DVD: 0.1 V/ns, CD x1: 0.025 V/ns, x2: 0.05 V/ns, x4, x6: 0.1 V/ns, x8 to 12: 0.25 V/ns, Level 0.4 V/V p-p
    • Jitter Measurement Section
  • Corresponding Speed: DVD standard speed (27 MHz ±10%), Double speed (54 MHz ±10%), CD standard, 2, 4, 6, 8, 10, 12 times speed, (EFM CLOCK: 4.3218 MHz to 51.8616 MHz)
  • Measurement Mode: DVD All T: DATA to CLOCK, DVD 3 T: PULSE WIDTH, CD 3T: PULSE WIDTH
  • Scale Data to Check Measurement: ns, % (Automatic conversion) 3T Pulse Width/ns
  • Accuracy Meter Display: ±4% of full scale ±0.15 ns
  • Digital Display: ±4%, ±0.15 ns
  • Polarity Data: +, -, BOTH
  • Clock Indication: SIGMA
  • Measurement Time Constant Variable: 0.4 s to 5 s
    • Level Measurement Section
  • Measurement Method: Peak to peak level of RF (DATA) signal
  • Range: Input Impedance (50Ω) 50 mV to 5 V p-p, Input Impedance (1 MΩ) 0.5 V to 9.999 V p-p (conversion value for 10:1 probe)
  • Display Method Digital Accuracy: ±5%
    • Clock Frequency Management Section
  • Measurement Range: 27 MHz ±10%, 54 MHz ±10%
  • Measurement Accuracy: ±0.5%
    • Clock Reproducing Section
  • Reproduce standard clock from input EFM plus signal
  • Corresponding Speed: DVD standard speed (27 MHz ±10%), DVD 2 times speed (54 MHz ±10%)
    • Judgment Section
    Compares set standard and measurement value of level and jitter to determine: GO/NO-GO and output results, GO/NO-GO LED, Meter (Jitter measurement) judgment, RF Level/Jitter LED, Digital display (Jitter and level measurement) judgment, Dedicated Remote Terminal, Jitter measurement, Level measurement judgment
    Controls
    Designated Remote Terminal Judgment output and panel setting, RS-232C Control, Data output
    Operating Temperature
  • Operating Temperature: 0 to 40° C, 30 to 85% RH (without condensation)
  • Spec Guaranteed Temperature: 10 to 30° C, 30 to 85% RH (without condensation)
  • Storage Temperature: 0 to 50°C
    • Power
    90 to 240 V ac, 50/60 Hz, Max. 35 W, 50 VA max.
    Dimensions
    8-3/8 x 5-1/4 x 11-3/4" (213 x 132 x 300 mm)
    Weight
    10 lbs (4.7kg)

    Leader LE1870 Reviews

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