22
Agilent 8710x Operating and Service Manual
3
Specifications
Switch Drive Specifications
TTL Drive (Option T24)
Parameter
Min
Nom
Max
Unit
Supply voltage, Vcc
20
24
32
V
Supply current, Icc
*
* Switching condition: pulse width
≥
15 ms (Vcc = 24 VDC).
200
†
† Closing one RF path requires 200 mA. Add 200 mA for each additional RF path closed or
opened. Using all RF paths open (selecting pin 16) requires 200 mA per RF path reset with
Vcc = 24 VDC.
mA
Supply current (quiescent)
25
50
mA
Parameter
Min
Nom
Max
Unit
High level input
3
7
V
Low level input
0.8
V
Max high input current
*
* Vcc = Max. Vinput = 3.85 VDC.
1
1.4
mA
Figure 6
TTL Control Voltage States (Option T24)
7.0
3.0
0.8
Maximum
state
“ON”
Minimum
state
“ON”
Maximum
state
”OFF”
“
”
High
“
‘
Low
87104-90001.book Page 22 Thursday, August 30, 2007 3:49 PM
