RF Multiplexer Specifications 49
Appendix A
Appendix A
RF Multiplexer Specifications
Specification
50 Ohm RF Multiplexer
75 Ohm RF Multiplexer
Input Characteristics
Maximum Voltage
42V peak (any center or chassis
to any other center or chassis)
42V peak (any center or chassis
to any other center or chassis)
Maximum Current per channel or common
1A DC or AC RMS
1A DC or AC RMS
Maximum Power per channel or common
24 W or 24 VA
24 W or 24 VA
AC Performance
Insertion Loss (dB)
(Z
L
=Z
S
=50
Ω
) (40°C, 95% RH)
<10 MHz
< 0.1
<100 MHz
< 0.4
<500 MHz
< 0.9
<1.3 GHz
< 1.5
<3 GHz
< 8.0 typical
(Z
L
=Z
S
=75
Ω
) (40°C, 95% RH)
<10 MHz
< 0.3
<100 MHz
< 0.4
<500 MHz
< 0.8
<1.3 GHz
< 1.0
Crosstalk (dB) (channel-channel
1
,
or channel-common)
<10 MHz
< -90
<100 MHz
< -80
<500 MHz
< -65
<1.3 GHz
< -50
<3 GHz
< -20 typical
<10 MHz
< -85
<100 MHz
< -75
<500 MHz
< -65
<1.3 GHz
< -45
VSWR
<10 MHz
< 1.05
<100 MHz
< 1.15
<500 MHz
< 1.25
<1.3 GHz
< 1.35
<3 GHz
< 1.5
<10 MHz
< 1.05
<100 MHz
< 1.15
<500 MHz
< 1.25
<1.3 GHz
< 1.35
Risetime
<300 psec
<300 psec
Signal Delay
<3 nsec
<3 nsec
DC Performance
Thermal Offset
< 6
µ
V
< 6
µ
V
Closed Channel Resistance
< 1
Ω (
typical
)
< 1
Ω (
typical
)
Insulation Resistance (any terminal to
any terminal)
≤
(40°C, 65% RH) = > 10
8
Ω
≤
(40°C, 65% RH) = > 10
8
Ω
General
Relay Type
Non-latching armature relays
Non-latching armature relays
Typical Relay Life (operations)
With No Load: 5 x 10
6
With Maximum Rated Load: 10
5
With No Load: 5 x 10
6
With Maximum Rated Load: 10
5
Maximum Expander Module Cable Length
8 Meters (for E1473A)
8 Meters (for E1475A)
1 With one channel closed. Specifications valid at front panel SMB connectors without cables or adapters attached.
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