參數(shù)資料
型號(hào)： GS1561*
英文描述： Reclocking deserializer for HD-SDI. SD-SDI & DVB-ASI without loop thru cable driver. 3.3/1.8V supply.
中文描述： 時(shí)鐘重計(jì)解串器的HD - SDI的。標(biāo)清SDI
文件頁(yè)數(shù)： 14/55頁(yè)
文件大?。?/td> 922K
GENNUM CORPORATION
27360 - 2
14 of 55
G
71
MASTER/SLAVE
Non
Synchronous
Input
CONTROL SIGNAL INPUT
Signal levels are LVCMOS/LVTTL compatible.
Used to determine the input / output selection for the DVB_ASI, SD/HD,
RC_BYP and SMPTE_BYPASS pins.
When set HIGH, the GS1560A is set to operate in master mode where
DVB_ASI, SD/HD, RC_BYP and SMPTE_BYPASS become status signal
output pins set by the device. In this mode, the GS1560A will
automatically detect, reclock, deserialize and process SD SMPTE, HD
SMPTE, or DVB-ASI input data.
When set LOW, the GS1560A is set to operate in slave mode where
DVB_ASI, SD/HD, RC_BYP and SMPTE_BYPASS become control signal
input pins. In this mode, the application layer must set these external
device pins for the correct reception of either SMPTE or DVB-ASI data.
Slave mode also supports the reclocking and deserializing of data not
conforming to SMPTE or DVB-ASI streams.
72
LOCKED
Synchronous
with PCLK
Output
STATUS SIGNAL OUTPUT
Signal levels are LVCMOS / LVTTL compatible.
The LOCKED signal will be HIGH whenever the device has correctly
received and locked to SMPTE compliant data in SMPTE mode or DVB-
ASI compliant data in DVB-ASI mode, or when the reclocker has achieved
lock in Data-Through mode.
It will be LOW otherwise.
73, 74
VCO, VCO
Analog
Input
Differential inputs for the external VCO reference signal. For single ended
devices such as the GO1525, VCO should be AC coupled to VCO_GND.
VCO is nominally 1.485GHz.
75
VCO_GND
-
Output
Power
Ground reference for the external voltage controlled oscillator. Connect to
pins 2, 4, 6, and 8 of the GO1525. This pin is an output.
Should be isolated from all other grounds.
76
VCO_VCC
-
Output
Power
Power supply for the external voltage controlled oscillator. Connect to pin
5 of the GO1525. This pin is an output.
Should be isolated from all other power supplies.
77
LF
Analog
Output
Control voltage to external voltage controlled oscillator. Nominally +1.25V
DC.
78
CP_CAP
Analog
Input
PLL lock time constant capacitor connection. Normally connected to
VCO_GND through 2.2nF.
79
LB_CONT
Analog
Input
Control voltage to set the loop bandwidth of the integrated reclocker.
Normally connected to VCO_GND through 40k
.
80
CP_GND
-
Power
Ground connection for the charge pump. Connect to analog GND.
1.2 PIN DESCRIPTIONS (CONTINUED)
PIN
NUMBER
NAME
TIMING
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
GS1561-CF 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述:
GS1561-CFE3 制造商:Semtech Corporation 功能描述:Receiver for HD/SD/ASI w/out loop thru
GS1561-CFT 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述:
GS1561-CFTE3 制造商:Semtech Corporation 功能描述:Receiver for HD/SD/ASI w/out loop thru
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