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DC1954A-B

Description
LTC6954-2 DEMO BOARD LOW PHASE N
CategoryDevelopment board/suite/development tools   
File Size2MB,10 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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DC1954A-B Overview

LTC6954-2 DEMO BOARD LOW PHASE N

DC1954A-B Parametric

Parameter NameAttribute value
typeTiming
Functionclock distribution
Embeddedno
IC/parts usedLTC6954-2
Main attributes3 channels (three-way)
What's includedplate
Auxiliary propertiesGUI
DEMO MANUAL DC1954A
LTC6954
Low Phase Noise, Triple Output Clock
Distribution Divider/Driver
Description
Demonstration Circuit 1954A features the
LTC
®
6954,
a
Low Phase Noise, Triple Output Clock Distribution Divider/
Driver.
There are four options of the DC1954A, one for each ver-
sion of the LTC6954. Table 1 summarizes the available
DC1954A options.
The DC1954A LVPECL outputs are AC-coupled 50Ω
transmission lines making them suitable for driving 50Ω
impedance instruments. The LVDS/CMOS outputs of the
DC1954A are terminated with a 100Ω differential resistor
and are DC-coupled. All differential input and outputs have
 
3.3V DC Supply, 
banana jack & 
turret 
0.5" spaced SMA connectors. The LTC6954’s EZSync™
function is made available via a turret and an SMA con-
nector.
A DC590 USB serial controller board is used for SPI
communication with the LTC6954, controlled by the
supplied LTC6954_GUI software.
Design files for this circuit board are available at
http://www.linear.com/demo/DC1954A
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and EZSync
is a trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
GND, banana 
 
jack & turret 
         
Ribbon 
cable 
connection 
to DC590 
OUT0 Outputs, SMA 
LTC6954‐1/‐2/‐3 
LVPECL, AC coupled 
 
LTC6954‐4 
LVDS/CMOS, DC coupled
IN Inputs, SMA 
AC coupled 
OUT1 Outputs, SMA 
LTC6954‐1/‐2 
LVPECL, AC coupled 
 
LTC6954‐3/‐4 
LVDS/CMOS, DC coupled
EZSync
TM
  
SYNC Input,  
SMA & turret 
Temperature 
monitoring diode, turret 
OUTxSEL Inputs, Headers 
For LVPECL OUTPUTS: 
H=IBIAS ON; L=IBIAS OFF 
 
For LVDS/CMOS OUTPUTS: 
H=LVDS; L=CMOS 
OUT2 Outputs, SMA 
LTC6954‐1 
LVPECL, AC coupled 
 
LTC6954‐2/‐3/‐4 
LVDS/CMOS, DC coupled
Figure 1. DC1954A Connections
dc1954af
1

DC1954A-B Related Products

DC1954A-B DC1954A-C DC1954A-A DC1954A-D
Description LTC6954-2 DEMO BOARD LOW PHASE N LTC6954-3 DEMO BOARD LOW PHASE N LTC6954-1 DEMO BOARD LOW PHASE N LTC6954-4 DEMO BOARD LOW PHASE N
type Timing Timing Timing Timing
Function clock distribution clock distribution clock distribution clock distribution
Embedded no no no no
IC/parts used LTC6954-2 LTC6954-3 LTC6954-1 LTC6954-4
Main attributes 3 channels (three-way) 3 channels (three-way) 3 channels (three-way) 3 channels (three-way)
What's included plate plate plate plate
Auxiliary properties GUI GUI GUI GUI
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