Each of the five RF switch channels uses two digital output pins and two digital input pins during the operation.

Table 6a IO mapping for 8762/3/4, 8765x-324 and N181x Series RF switches

Channel

Control Bit

Position Bit

 

 

 

 

 

 

State A

State B

State A

State B

 

 

 

 

 

1

O1

O2

I1

I2

 

 

 

 

 

2

O3

O4

I3

I4

 

 

 

 

 

3

O5

O6

I5

I6

 

 

 

 

 

4

O7

O8

I7

I8

 

 

 

 

 

5

O9

O10

I9

I10

 

 

 

General IO

O11, O12 & O13

I11, I12 & I13

 

 

 

 

 

Table 6b IO mapping for 8765x-024 Series RF switches

Channel

Control Bit

Position Bit

 

 

 

 

 

 

State A

State B

State A

State B

 

 

 

 

 

1

O2

O1

I2

I1

 

 

 

 

 

2

O4

O3

I4

I3

 

 

 

 

 

3

O6

O5

I6

I5

 

 

 

 

 

4

O8

O7

I8

I7

 

 

 

 

 

5

O10

O9

I10

I9

General IOO11, O12 & O13I11, I12 & I13

Table 7

Position indicator stage definition

 

 

 

 

 

RF Switches Model

Activated

Deactivated

 

 

 

8732/3/4 Series and 875x Series

OFF (0)

ON (1)

 

 

 

N181x Series

ON (1)

OFF (0)

 

 

 

 

U2121A-101 Operating Guide

9

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Image 19
Agilent Technologies U2121A-101 IO mapping for 8765x-024 Series RF switches, Position indicator stage definition, State B