參數(shù)資料
型號(hào)： AL128
廠商： Electronic Theatre Controls, Inc.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:55; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
中文描述： 即插即用VGA到的NTSC / PAL制式轉(zhuǎn)換器
文件頁(yè)數(shù)： 41/45頁(yè)
文件大?。?/td> 498K
代理商： AL128
AL128
April 2, 1999
41
The high frequency clock reference or crystal should be handled carefully. Jitter and noise on the clock
will degrade the video performance. Keep the clock paths to the AL128 as short as possible to reduce
noise pickup.
Locate phase locked loop components close to the relevant AL128 pins. Isolate these components
from noise.
9.5 Analog Signal Interconnect
The AL128 should be located closely to the output connectors to minimize noise and reflections. Keep
the critical analog traces as short and wide as possible.
High frequency digital signals, especially pixel clocks and data signals should never overlap any of the
analog signal circuitry and should be kept as far away as possible.
The AL128 should have no inputs left floating. Each of the unused analog input pins should be
connected to GND. All of the digital input pins are internally pulled down.
The analog output traces should also not cross the AL128 and VDD power planes to maximize high-
frequency power supply rejection.
9.6 Component Placement
The suggested component placement is as follows:
Remarks:
1.
PLL crystal/oscillator circuits should be placed at the lower left corner and close to
AL128 to avoid noise interference.
Analog Power
PLL
XTAL
RGB input
AL128
AL422
AL422
Al128-15 Layout considerations
TV output
(separated
and
shielded)
相關(guān)PDF資料
PDF描述
AL1402 Circular Connector; No. of Contacts:100; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
AL251 Video Scan Doubler
AL3201 Circular Connector; No. of Contacts:19; Series:D38999; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-19
AL440B Circular Connector; No. of Contacts:128; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
AL440B-12 Circular Connector; No. of Contacts:56; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:24-4 RoHS Compliant: No
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