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參數(shù)資料
| 型號： | GS1545-CQR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HDTV Serial Digital Equalizing Receiver |
| 中文描述： | 串行數(shù)字高清晰度電視接收機均等 |
| 文件頁數(shù)： | 9/19頁 |
| 文件大?。?/td> | 198K |
| 代理商： | GS1545-CQR |
GENNUM CORPORATION
522 - 28 - 00
9
G
106
DDI_V
TT
Analog
Input
Bias Input.
Selectable input for interfacing standard ECL outputs
requiring 50
pull down to V
TT
power supply for a seamless interface.
See Typical Application Circuit for recommended circuit application.
108, 109
DDI, DDI
Differential
ECL/PECL
Input
Digital Data Input Signals.
Digital input signals from a GS1504
Equalizer or HD crosspoint switch.
Because of on chip 50
termination resistors, a PCB trace
characteristic impedance of 50
is recommended.
110
PD_V
CC
Power
Positive Supply
. Phase detector most positive power supply
connection.
111
A/D
TTL
Input
Control Signal Input.
Used to select between the SDI/SDI input or
DDI/DDI input.
When A/D is HIGH; the SDI/SDI input is selected.
When A/D is LOW; the DDI/DDI input is selected.
112
PDSUB_V
EE
Power
Input
Substrate Connection
. Connect to phase detector
’
s most negative
power supply.
113
PD_V
EE
Power
Input
Negative Supply.
Phase detector most negative power supply
connection.
117
EQI_V
CC
Power
Input
Positive Supply
. Most positive power supply connection for serial input
stage.
120, 126
EQI_V
EE
Power
Input
Negative Supply.
Most negative power supply connection for serial
input stage.
122, 124
SDI, SDI
Analog
Input
Serial Data Input Signals
. AC coupled termination is recommended.
Single ended to differential conversion is also feasible. The SDI and
SDI input is selected when the A/D signal is high.
Ensure that the trace length between the input connector and the
GS1545 IC is kept to a minimum and that a PCB trace characteristic
impedance of 75
is maintained between the connector and the
device.
PIN DESCRIPTIONS (Continued)
NUMBER
SYMBOL
LEVEL
TYPE
DESCRIPTION
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