Safran CORTEX Series User Manual page 64

Note 1: ECL differential outputs must have this termination:
Note 2: ECL differential inputs have a 50  termination:
Note 3: LVDS Interface
CHA_CLK +
CHA_CLK –
CHA_OUT1 +
CHA_OUT2 –
CHA_OUT2 +
CHA_OUT1 -
CHA_OUT3 +
CHA_OUT3 –
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
Balanced ECL :
+
_
Z0 : Characteristic Impedance of the line
External 50
Unbalanced ECL :
DEMOD OUT 1
SH2
GND
1
2
3
4
5
6
7
8
SH1
GND
J70
DEMOD IN
IN_CLK +
IN_CLK –
IN1 +
IN2 –
IN2 +
IN1 -
IN3 +
IN3 –
Ref.
Is.Rev
Date:
External termination :
Unbalanced ECL :
+
R = 2.Z0
_

termination :
+

50
-VT
_

50
-VT
DEMOD OUT 2
GND
CHB_CLK +
CHB_CLK –
CHB_OUT1 +
CHB_OUT2 –
CHB_OUT2 +
CHB_OUT1 -
CHB_OUT3 +
CHB_OUT3 –
GND
SH2
GND
1
2
3
4
5
6
7
8
SH1
GND
J72
Safran Data Systems
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It cannot be duplicated or distributed without expressed written consent.
DTU 100782
3.5
June 1, 2021
R = Z0
-2 V
R = Z0
-2 V
SH2
1
2
3
4
5
6
7
8
SH1
J71
.
Page 64