參數(shù)資料
型號： GS1559
廠商： Gennum Corporation
英文描述： GS1559 HD-LINX-TM II Multi-Rate Deserializer with Loop-Through Cable Driver
中文描述： GS1559的HD - LINX進(jìn)程，商標(biāo)第二多速率解串器與環(huán)通電纜驅(qū)動(dòng)器
文件頁數(shù)： 28/74頁
文件大?。?/td> 686K
代理商： GS1559
GS1559 Data Sheet
30572 - 4
July 2005
28 of 74
4.3.1 External VCO
The GS1559 requires the external GO1525 Voltage Controlled Oscillator as part of
the reclocker's phase-locked loop. This external VCO implementation was chosen
to ensure high quality reclocking.
Power for the external VCO is generated entirely by the GS1559 from an integrated
voltage regulator. The internal regulator uses +3.3V DC supplied via the CP_VDD
/ CP_GND pins to provide +2.5V DC on the VCO_VCC / VCO_GND pins.
The control voltage to the VCO is output from the GS1559 on the LF pin and
requires 4.7k
Ω
pull-up and pull-down resistors to ensure correct operation.
The GO1525 produces a 1.485GHz reference signal for the reclocker, input on the
VCO pin of the GS1559. Both LF and VCO signals should be referenced to the
supplied VCO_GND as shown in the recommended application circuit of
Typical
Application Circuit (Part A) on page 69
.
4.3.2 Loop Bandwidth
The loop bandwidth of the integrated reclocker is nominally 1.4MHz, but may be
increased or decreased via the LB_CONT pin. It is recommended that this pin be
connected to VCO_GND through 39.2k
Ω
to maximize the input jitter tolerance of
the device.
4.4 Serial Digital Loop-Through Output
The GS1559 contains an integrated current mode differential serial digital cable
driver with automatic slew rate control. When enabled, this serial digital output
provides an active loop-through of the input signal.
The integrated cable driver uses a separate power supply of +1.8V DC supplied via
the CD_VDD and CD_GND pins.
To enable the loop-through output, SDO_EN/DIS must be set HIGH by the
application layer. Setting the SDO_EN/DIS signal LOW will cause the SDO and
SDO output pins to become high impedance, resulting in reduced device power
consumption.
When not using the serial digital output from the GS1559, the SDO and SDO pins
should be left unconnected (floating). In addition, the SDO_EN pin should be set
LOW and the RSET pin may be AC terminated to analog ground through a 10nF
capacitor.
Gennum recommends using the GS1528A SDI Dual Slew-Rate Cable Driver to
meet SMPTE specifications.
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
GS1559_08 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HD-LINX II Multi-Rate Deserializer with Loop-Through Cable Driver
GS1559-CB 制造商:Semtech Corporation 功能描述: 制造商:Semtech Corporation 功能描述:HD/SD/ASI Receiver
GS1559CBE2 制造商:Gennum Corporation 功能描述:DESERIALISER HD/SDI/ASI W/DRV 100BGA 制造商:Gennum Corporation 功能描述:DESERIALISER, HD/SDI/ASI, W/DRV, 100BGA
GS1559-CBE2 功能描述:RF, RFID, WIRELESS RoHS:是 類別:集成電路 (IC) >> 接口 - 串行器，解串行器 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 功能:解串器 數(shù)據(jù)速率:2.5Gbps 輸入類型:串行 輸出類型:并聯(lián) 輸入數(shù):- 輸出數(shù):24 電源電壓:1.8 V ~ 3.3 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:64-TQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-TQFP-EP（10x10） 包裝:管件
GS1560 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HD-LINX II Voltage Controlled Oscillator
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