company logo Leader LE1876
Digital Processing Jitter Meter
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Leader LE1876
Digital Processing Jitter Meter




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  Leader LE1876

Features:
  • Equipped with Equalizer conforming to Blu-ray Disc standards Conventional and Limit Equalizers conforming to x1 speed described in Blu-ray Disc standards are provided as standard.The Conventional Equalizer and Limit Equalizer modes are selectable.The pre-equalizer boost level can be varied.
  • Applicable to three types of media Jitter of Blu-ray Discs with disc capacities of 23.3 GB, 25.0 GB, and 27.0 GB can be measured.
  • Measures the jitter of all -T components conforming to Blu-ray Disc standards (Also applicable to x2 speed) Measure all components of 2T to 8T and 9T of the HF (DATA) signal, with respect to the CLOCK signal, and then displays it as jitter in sigma format. Measurement modes include the sum of all-T components and each T in pulse width mode.
  • Confirming to x2 speed prescribed in Blu-ray Disc standards The equalizer applicable to the x2 speed confirming to Blu-ray Disc standards is provided to measure jitter of x2 speed HF (DATA) signal.
  • Three polarity modes Rising edge, falling edge, and both edges of HF (DATA) signal can be selected.
  • Applicable dual-layer disc The 2T component can be eliminated in DATA to CLOCK measurement mode used when inspecting a dual-layer disc.



  Description

The LE 1876 Jitter Meter is designed to measure the jitter conforming to Blu-ray Disc (Part 1, version 1.0, June 2002) standards. Combining time interval analyzer TIA as well as digital processing methods for jitter measurement, enables accurate measurement with high throughput for adjusting and inspecting optical pickups on production lines. Since the Limit Equalizer, applicable to x2 speed of Blu-ray Disc standards, PLL clock regenerator, and jitter measurement sections are provided as standard, the x2 speed of HF signal output from a pickup can be directly applied to this instrument for measuring jitter. A large LCD panel displays jitter and histogram analysis makes this instrument ideal for production and inspection applications, as well as R&D. Jitter measurement units for a DVD/CD or HFM are optionally available.Thus, multiple jitter formats of standard DVD/CD and HF/HFM for the new Blu-ray Disc can be measured using a single unit. Optional GPIB and LAN interfaces are available for constructing an automatic measurement system and to ensure quality control.

Model Description List Price Sale Price
LE1876 Digital Processing Jitter Analyzer (Blue Ray) $14995.00
Instant
* Price Quote *



  Specifications

Input Section HF INPUT (1-7 modulation signal input)
Input Coupling AC
Measurement Voltage Range 0.1 to 2.0 V p-p
Input Range 3 ranges
0.3 V range 0.1 to 0.3 V p-p
0.9 V range 0.3 to 0.9 V p-p
2.0 V range 0.9 to 2.0 V p-p
Input Impedance 50 Ω
Auto Slicer AUTO (Response time constant
x1 speed 10 kHz, x2 speed 20 kHz)
Maximum Input Voltage ± 2.5 V
Measurement Control (ARMING IN/INHIBIT IN)
Input Impedance 10k Ω
Input Signal Level 0/+5 V
Maximum Input Voltage -0.7 V/+5.7 V
Equalizer Section x1 Speed
Conforms to Blu-ray Disc (Part 1, version 1.0) standards
Applicable format 1-7 PP modulation
Channel Bit Rate 66 MHz
Equalizer Mode Conventional Equalizer Mode or Limit
Gain Variable Range 0 to 8 dB (36 steps)
Gain Accuracy ±0.5 dB
Group Delay Deviation 2.0 nsp-p (5.8 dB: 6 MHz to 33 MHz)
Jitter Measurement Section
HF Clock frequency
x1 speed 66 MHz ±4 %
x2 speed 132 MHz ±4 %
Measurement Mode DATA to CLOCK, PERIOD mode, sum of all-T data in PERIOD mode, PULSE

WIDTH mode, sum of all-T data in
PULSE WIDTH mode
Measurement Resolution 12.5 ps
Display Resolution
max. min 12.5 ps min.
σ,AVERAGE 10 ps min.
σ/T 0.01% min.
Measurement Accuracy
Sigma Value ± 5%
Polarity Section
CLOCK (fixed)
Measurement Item AVERAGE, max, min, σ, σ max, σ min, σ/T, σ/T max, σ/T min.
Unit Displayed ns,%
Measurement Results Display Numeric value, bar graph, histogram, TIME DEVIATION, BOTH for separate display
Number of Samples 1,000,000 max.
Measurement Control Section (ARMING/INHIBIT function)
Measurement Control Mode ARMING mode/INHIBIT mode
Electrical Characteristics
Input Impedance 10k Ω
Input Signal Level 0/+5 V
Maximum Input Voltage -0.7 V/+5.7 V
INHIBIT
ENABLE HIGH/LOW
COUNT 0 to 50, in 1 steps
ARMING
SLOPE RISE/FALL
COUNT 0 to 50, in 1 steps
START DLY 0 to 99.99 ms (in 0.01 steps)
LENGTH MODE SAMPLE/TIME
LENGTH 0.01 to 99.99 ms (in 0.01 steps min.) (TIME only)
Clock Regenerator (DATA to CLOCK mode only)
Regenerates reference clock signal from DATA signal input.
HF x1 speed: 66 MHz ±8 %
x2 speed 132 MHz ±8 %
Clock Frequency Measurement Section (DATA to CLOCK mode only)
HF x1 speed: 60.72 MHz to 71.28 MHz
x2 speed 121.44 MHz to 142.56 MHz
Measurement Accuracy ±0.1 %
Judgement Section
Outputs GO/NO GO results of jitter and frequency measured with respect to the preset values.
LCD Panel Judgement results for selected measurement item
Selected Item σ, σ max, σ min, σ/T, σ/T max, σ/T min, max, min,AVE, DEV, DEV max, DEV min, FREQUENCY
MONITOR OUT
To monitor the HF signal input
Output Impedance 50 Ω
Output Amplitude Up to 2.0 Vp-p ±30 % (into 50 Ω, in proportion to input signal)
Output Connector BNC
EQUALIZER OUT
To monitor equalized HF signal input
Output Impedance 50 Ω
Output Amplitude 0.8 Vp-p ±30 % (into 50 Ω)
Output Connector BNC
DIGITAL OUT (DATA, CLOCK)
Outputs binary DATA signal and CLOCK signal regenerated by PLL.
Output Signal DATA signal, CLOCK signal
Output Amplitude 0.15 Vp-p (into 50 Ω)
Output Offset Voltage 0.34 V (into 50 Ω)
Output Connector BNC
DC OUT
Output Accuracy ±2 %
Output Item Jitter (full scale voltage variable)
Maximum Input Voltage 2 V
GATE MONITOR
To monitor arming/inhibit control signals
Output Amplitude TTL level
Output Impedance 1k Ω
Dedicated Remote Control
Connector Communicates judgement results and front panel settings
Front Panel Setting Pins
Input Level 0/5 V (pulled-up with 47k Ω resistor)
Maximum Input Voltage -0.7/+5.7 V
Judgement Results Output Pins
GO +5 V (open drain output, pulled-up with 47k Ω resistor)
NO GO 0 V
Maximum Current Output 10 mA
Communication Controls function, outputs data
Baud Rate 38400 bps max.
Display Mode
HIST Histogram
BAR Bar graph
DATA Statistical value
TIME Time deviation
JUDGE GO/NO GO judgement
Store/Recall
Media Internal memory, memory card
Items Stored Measurement data (waveform), internal settings
Printing Screen Data
Print Media Memory card
Memory Card
Interface Conforms to PC CARD ATA standards
Card Manufacturers Recommended: SanDisk
Display 5.7” STN LCD, color 1/4 VGA
General Specifications
Operating Temperature: 0 to 40° C
Humidity: 85 % RH (without condensation)
Spec-Guaranteed Temperature: 0 to 30° C
Humidity: 85 % RH (without condensation)
Operating Environment Indoor Use
Operating Altitude Up to 2,000 m
Overvoltage Category II
Pollution Degree 2
Power Requirements 90 to 250 VAC, 50/60 Hz, max. 55 W, 80 VA max
Dimension (WxHxD) 83/8 x 53/16 x 1113/16 in., 213 x 132 x 300 mm
Weight 8.8 lbs., 4.0 kg
Accessories Power cord (1), Instruction Manual
OPTION OP71 DVD/CD Measurement
DATA INPUT (EFM/8-16 modulation signal input)
Input Coupling AC (2 Hz/1 kHz, selectable)
Measurement Voltage Range 50 mV to 5 Vp-p
Input Impedance 1M Ω/50 Ω, selectable
Slice Level
VARIABLE ±2.5 V
AUTO (ASYMMETRY ON) 20 Hz/1 kHz/5 kHz/10 kHz, selectable
Maximum Input Voltage ±5 V
Jitter Measurement Section
DVD Clock Frequency: PW, PD: 24.3 MHz to 59.4 MHz
DT to CK x1 speed: 27 MHz ±10 %
x2 speed 54 MHz ±10 %
CD x1, x2, x4x, x8, x10, x12 speed
Measurement Mode
DVD PERIOD mode, sum of all -T data in PERIOD mode, PULSE WIDTH mode,
sum of all -T data in PULSE WIDTH mode,DATA to CLOCK
CD PULSE WIDTH mode, sum of all -T data in PULSE WIDTH mode
Unit Displayed ns,%
Measurement Resolution 50 ps
Display Resolution 0.01 ns
Measurement Accuracy
Sigma Value ±4 % ±0.15 ns
Average Value ±1 ns
CLOCK +, -
Measurement Item AVERAGE, max, min, σ, σ max, σ min, σ/T, σ/T max, σ/T min.
Measurement Results Display Numeric value, bar graph, histogram, TIME DEVIATION, BOTH for separate display
Number of Samples 1,000,000 max
Clock Frequency Measurement Section (DVD,DATA to CLOCK mode only)
Measurement Range 24.3 MHz to 59.4 MHz
Measurement Accuracy ±0.1 %
Clock Regenerator (DVD,DATA to CLOCK mode only)
Regenerates reference clock signal from DATA signal input.
HF x1 speed: 27 MHz ±8 %
x2 speed 54 MHz ±8 %
Ooptional OP72 HFM Measurement
Input Coupling AC
Measurement Voltage Range 50 mV to 5 Vp-p
Input Impedance 1 MΩ/50 Ω, selectable
Frequency Range x1 speed : 8 MHz, x2 speed: 16 MHz
Slice Level ±2.5 V (VARIABLE)
Maximum Input Voltage ±5 V
Jitter Measurement Section
Measurement Range Clock Frequency
PW 3.37 MHz to 7.92 MHz
DT to CK x1 speed: 3.667 MHz ±8 %
x2 speed 7.333 MHz ±8 %
Measurement Mode DATA to CLOCK, PERIOD mode, sum of all -T data in PERIOD mode, PULSE WIDTH mode, sum of all -T data in
PULSE WIDTH mode
Unit Displayed ns,%
Measurement Resolution 50 ps
Display Resolution
max. min 50 ps
σ,AVERAGE 10 PS
σ/T 0.01%
Measurement Accuracy
Sigma Value ±5 %
Polarity Section
CLOCK (fixed)
Measurement Item AVERAGE, max, min, σ, σ max, σ min, σ/T, σ/T max, σ/T min.
Measurement Results Display Numeric value, bar graph, histogram, TIME DEVIATION, BOTH for separate display.
Number of samples 1,000,000 max
Clock Regenerator (DATA to CLOCK mode only)
Regenerates reference clock signal from DATA signal input.
HFM x1 speed: 3.667 MHz ±8 %
x2 speed 7.333 MHz ±10 %
Clock Frequency Measurement Section (DATA to CLOCK mode only)
Measurement Range x1 speed: 3.37364 MHz to 3.96036 MHz
x2 speed 6.74636 MHz to 7.91964 MHz
Measurement Accuracy ±0.1 %
Optional OP73 GPIB (IEEE 488.2)
Function Transfers data, controls front panel settings
Optional OP74 LAN
Function Transfers data, controls front panel settings.
Option Compatability
Note OP71 and OP72 Cannot be installed together
OP73 and OP74 Cannot be installed together.




 

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