Download 4 - Keysight

Chapter 9 Specifications
44478A/B 1.3 GHz Dual 4-to-1 MUX Modules
44478A/B 1.3 GHz Dual 4-to-1 MUX Modules
Specifications in the table describe the modules’ warranted performance
over the temperature range 0º to 55º C. Information marked by the
“Typical” designation is helpful in applying the modules, but is nonwarranted information.
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INPUT CHARACTERISTICS
Total Channels:
Dual 4 Chans
Any Center/Shield to Any
Other Center/Shield/
Chassis:
42 V dc + ac peak
Maximum Voltage:
Maximum Current:
Per Channel or Common:
1 A dc, or ac rms
Maximum Power:
Per Channel or Common:
Each Resistive Termination:
24 W, 24 VA or 44 dBm
0.25 W, 0.25 VA or 24 dBm
Characteristic Impedance:
44478A:
44478B:
50 
75 
Relay Life (Typical):
With No Load:
At Maximum Rated Power:
5 x 106 operations
105 operations
Maximum Scan Rate:a
43 Chans/sec
DC PERFORMANCE
Thermal Offset:
Initial Closed Channel
Resistance:
Insulation Resistance
(any terminal to any terminal)
Per Channel:
< 6 V (< 2 V, Typical)
<1
 (40oC, 95% RH):
 (25oC, 40% RH):
> 108 
> 1010 (Typical)
a. Using the 44474A external increment & channel closed, display off.
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