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參數(shù)資料
| 型號(hào)： | CLC020BCQ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SMPTE 259M Digital Video Serializer with Integrated Cable Driver |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁(yè)數(shù)： | 11/15頁(yè) |
| 文件大?。?/td> | 353K |
| 代理商： | CLC020BCQ |
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Application Information
(Continued)
MEASURING JITTER
The test method used to obtain the timing jitter value given in
the AC Electrical Specification table is based on procedures
and equipment described in SMPTE RP 192-1996. The rec-
ommended practice discusses several methods and indica-
tor devices. An FFT method performed by standard video
test equipment was used to obtain the data given in this data
sheet. As such, the jitter characteristics (or jitter floor) of the
measurement equipment, particularly the measurement ana-
lyzer, become integral to the resulting jitter value. The
method and equipment were chosen so that the test can be
easily duplicated by the design engineer using most stan-
dard digital video test equipment. In so doing, similar results
should be achieved. The intrinsic jitter floor of the CLC020’s
PLL is approximately 25% of the typical jitter given in the
electrical specifications. In production, device jitter is mea-
sured on automatic IC test equipment (ATE) using a different
method compatible with that equipment. Jitter measured
using this ATE yields values approximately 50% of those
obtained using the video test equipment.
The jitter test setup used to obtain values quoted in the data
sheet consists of:
National Semiconductor SD020EVK, CLC020 evaluation
kit
Tektronix TG2000 signal generation platform with DVG1
option
Tektronix VM700T Option 1S Video Measurement Set
Tektronix TDS 794D, Option C2 oscilloscope
Tektronix P6339A passive probe
75 Ohm coaxial cable, 3ft., Belden 8281 or RG59 (2
required)
ECL-to-TTL/CMOS level converter/amplifier,
Figure 10
Apply the black-burst reference clock from the TG2000 sig-
nal generator’s BG1 module 27MHz clock output to the level
converter input. The clock amplitude converter schematic is
shown in Figure 9.Adjust the input bias control to give a 50%
duty cycle output as measured on the oscilloscope/probe
system. Connect the level translator to the SD020EVK
board, connector P1, P
CLK
pins (the outer-most row of pins
10091709
Connect LOCK DETECT to TPG ENABLE for test pattern generator function.
Remove RP1 & RP3 and replace RP2 & RP4 with 50
resistor packs for coax interfacing.
Install RP1-4 when using ribbon cable for input interfacing.
This board is designed for use with TTL power supplies only.
For optional ECL compatible load: R1A = R2A = 187; R1B = R2B = 124.
All resistances & impedances in Ohms. Values with 3 significant digits are 1%; with 2 digits 5%.
FIGURE 8. SD020EVK Schematic Diagram
C
www.national.com
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| CLC020 | SMPTE 259M Digital Video Serializer with Integrated Cable Driver(SMPTE 259M數(shù)字視頻串行器帶集成電纜驅(qū)動(dòng)器) |
| CLC020ACQ | SMPTE 259M Digital Video Serializer with Integrated Cable Driver |
| CLC021AVGZ-3.3 | SMPTE 259M Digital Video Serializer with EDH Generation and Insertion |
| CLC021AVGZ-5.0 | SMPTE 259M Digital Video Serializer with EDH Generation and Insertion |
| CLC021 | SMPTE 259M Digital Video Serializer with EDH Generation/Insertion(SMPTE 259M數(shù)字視頻串行器帶EDH發(fā)生/插入) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLC020BCQ/NOPB | 功能描述:串行器/解串器 - Serdes RoHS:否 制造商:Texas Instruments 類(lèi)型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類(lèi)型:ECL/LVDS 輸出類(lèi)型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| CLC021 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:SMPTE 259M Digital Video Serializer with EDH Generation and Insertion |
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