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Chapter 9 Specifications
44478A/B 1.3 GHz Dual 4-to-1 MUX Modules
9
.
AC ISOLATION / PERFORMANCE (Z
L
= Z
S
= 50Ω or 75Ω)
a
Insertion Loss
≤ 40
o
C, 95% RH:
≤ 10 MHz:
≤ 100 MHz:
≤ 500 MHz:
≤ 1.3 GHz:
< 0.3 dB
< 0.7 dB
< 1.5 dB
< 3.0 dB
≤ 25
o
C, 40% RH (Typical):
≤ 10 MHz:
≤ 100 MHz:
≤ 500 MHz:
≤ 1.3 GHz:
< 0.2 dB
< 0.5 dB
< 1.1 dB
< 1.9 dB
Crosstalk
b
Channel-Channel, Channel-
Common:
(with 1 channel closed)
≤ 10 MHz:
≤ 100 MHz:
≤ 500 MHz:
≤ 1.3 GHz:
< -90 dB
< -80 dB
< -65 dB
< -55 dB
Group-Group, Module-Module:
≤ 10 MHz:
≤ 100 MHz:
≤ 500 MHz:
≤ 1.3 GHz:
< -90 dB
< -80 dB
< -70 dB
< -60 dB
VSWR:
≤ 10 MHz:
≤ 100 MHz:
≤ 500 MHz:
≤ 1.3 GHz:
< 1.20
< 1.25
< 1.35
< 1.55
Capacitance:
Center-Center:
Center-Shield:
< 0.006 pF
< 60 pF
Rise Time:
< 300 ps
Signal Delay:
< 3 ns (channel matched to ±50 ps)
a. Z
L
= Z
S
= 50 Ω applies for the 44478A and Z
L
= Z
S
= 75 Ω applies for the 44478B.
b. The CrossTalk specifications assume 50 Ω termination for the 44478A and 75 Ω termination for the 44478B. If all
channels unterminated, derate specification by 6 dB.