GS2974A Datasheet, PDF (8/16 Pages) Gennum Corporation – HD-LINX III Adaptive Cable Equalizer

Test Circuit
BERT Pattern
Generator
EXT. CLOCK DATA
CLOCK OUT OUT
1694A CABLE
50/75
IN
OUT
CH. 1
GS2974A
TEST BOARD
OUT
CH. 2 ^{TDS 820}
EXT.
CLOCK
EXT. TRIGGER
2.97GHz/1.485GHz/
270MHz
Figure 2-1: Test Circuit
3. Input/Output Circuits
3k
SDI
RC
3.6k
Figure 3-1: Input Equivalent Circuit
3k
SDI
3.6k
MCLADJ
V_CC
12.2k
+
-
150µ
Figure 3-2: MCLADJ Equivalent Circuit
GS2974A HD-LINX™ III Adaptive Cable Equalizer
Data Sheet
42216 - 3
January 2009
8 of 16