Leader LE1870
Digital Processing Jitter Meter

Click image to enlarge   Leader LE1870

Features: TIA Digital Processing Handles DVD, CD and CD-R/RW High-Speed, Accurate Simultaneous RF Data Level and Jitter Measures Jitter at 3T Through 11T + 14T Jitter Readings in % Clock Frequency and Sigma Measurements at Rise, Fall and Both Data Edge High Sensitivity - Accurate Readings at 50 mV or More 50 ohm and 10M ohm Inputs Allow the use of 10:1 Probe Go/No-Go Judgements Against Preset Entries Easy Settings and Memory Stage Auto Slicer Conforms to DVD Documentation Inhibit Input Suspends Tests Due to Maginifications RS-232C Standard Remote Control of Panel Functions

Specifications
Input Signal	EFM/8-16 Modulation signal Measurement control (INHIBIT IN)
Jitter Measurement
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 Range	DVD All T: DATA to CLOCK DVD 3 T: PULSE WIDTH CD 3 T: PULSE WIDTH
Scale	DATA to CK Measurement: ns, % (Automatic conversion) PULSE WIDTH measurement: ns
Accuracy	Meter Display: (4% of full scale)±0.15 ns Digital Display: (4%)±0.15 ns
Level Measurement
Measurement Method	Maximum peak to peak level of RF (DATA) signal
Range	Input Impedance 50 : 50 mV to 5 Vp-p Input Impedance 1 M: 0.5 V to 9.999 Vp-p (Conversion value for 10:1 probe)
Display Method	Digital
Accuracy	± 5%
Clock Frequency Measurement (DVD, DATA to CLOCK mode only)
Measurement Range	27 MHz ±10% 54 MHz ±10 %
Accuracy	± 5%
Judgement Item	Jitter, Level
Output
Monitor Output	EFM DATA input signal
Digitized Output	EFM DATA signal EFM CLOCK signal (DVD, DATA to CLOCK mode only)
Dimensions (W.H.D.) / Weight	213 x 132 x 300 mm/4.7 kg

Options Specifications
OP71	CD-R/RW Measurement (Bi-Phase Jitter Measurement) Corresponding Speed: x1,x2,x4,x6,.....x30,x32 times speed (Bi-Phase CLOCK: 6.3 kHz to 201.6 kHz) Input Signal: Bi-Phase Digitized signal and Digitized Clock signal Measurement Voltage Range: 0.2 V to 5 Vp-p Bandwidth: DC to 1 MHz, -3 dB Measurement Mode: 1T ( PULSE WIDTH), All T (DATA to CLOCK)
OP72	GPIB (IEEE 488.2) Function: Data transfer and panel control
OP74	Fixed Equalizer Corresponding Clock Frequency: 27 MHz Boost Quantity: 3.2 dB ±3 %( at 5.16 MHz) Group Delay Fluctuation: Max. 2.5 ns
OP75	Variable Equalizer Corresponding Clock Frequency: 27 MHz Boost Quantity: 3.2 dB to 6.0 dB ±3 %( at 5.16 MHz) Group Delay Fluctuation: Max. 4 ns
OP76	Variable Equalizer Corresponding Clock Frequency: 27 MHz Boost Quantity: 3.0 dB to 4.4 dB ±3 %( at 5.16 MHz) Group Delay Fluctuation: Max. 3 ns

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