GX4201 Datasheet, PDF (4/6 Pages) Gennum Corporation – Wideband, Monolithic 1x1 Video Crosspoint Switch

Input
Cap. (pF)
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
1
Diff. Gain
Diff. Phase
+0.05
+0.04
+0.03
+0.02
+0.01
0
-0.01
-0.01
-0.03
-0.04
-0.05
-1.6
C_L = 30 pF
EN = 1
EN = 0
10
100
1K
Frequency (MHz)
Fig. 5 C_IN vs Frequency
V_IN = 40 IRE at 4.43 MHz
V_LUM = V_BLANK + 0.714 V
Blanking Level is clamped to V_BIAS
dg %
dp °
R_L = 10 K
-1.2
-0.8
-0.4
0
Input Bias (V)
+0.4
+0.8
Fig. 7 dg/dp vs Input Bias
Disabled
O/P Cap. (pF)
1.4
1.3
1.2
1.1
1.0
-2 .0 -1.5 -1.0
-0.5
0
+0.5 +1.0 +1.5 +2.0
Output Bias (V)
Fig. 6 C_OUT vs Bias
Diff. Gain
Diff. Phase
+0.05
+0.04
+0.03
V_IN = 40 IRE at 4.43 MHz
V_LUM = V_BLANK + 0.714 V
Blanking Level 0 V DC
R_L = 10 kΩ
dg %
+0.02
+0.01
dp °
0
1
Diff. Gain
Diff. Phase
-0.18
-0.16
-0.14
-0.12
-0.10
-0.08
-0.06
-0.04
-0.02
0
+0.02
100
2
3
4 5 6 7 8 9 10
Frequency (MHz)
Fig. 8 dg/dp vs Frequency
dg %
ƒ = 4.43 MHz, 40 IRE
Blanking Level 0V DC
dp °
dp °
dg %
1K
10K
R_L (Ω)
Fig. 9 dg/dp vs R_L
4
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