Annexes
R&S
®
ZNA
1651
User Manual 1178.6462.02 ─ 20
PIN number
Comment
19
GPIO 3
20
GPIO 5
21
GPIO 7
23
GPIO 10
24
For future use, please do not connect
25
For future use, please do not connect
12.3.4.2
Interface description
The values in the table below are typical values. See the R&S
ZNA data sheet for
details.
Table 12-3: RFFE bus interface
Parameter
MIN [V]
MAX [V]
Step size [V]
IO voltage
0
2.5
0.001
Low voltage
0
2.5
0.001
High voltage
0
2.5
0.001
MAX [mA]
Current
20
MIN [kHz]
MAX [kHz]
Possible values [kHz]
Clock frequency
31.25
26000
52000/n with n=1664, ...,
2
All remaining data (e.g. rise time) are according to the specification v.1.00 of the MIPI
Alliance Group.
Table 12-4: GPIO Interface
Parameter
MIN [V]
MAX [V]
Step size [V]
-7
+15
0.005
MAX [mA]
Current GPIO 1,...,8
20
Current GPIO 9,10
100
The output voltages of the RFFE and GPIO signals do not have an offset to compen-
sate additional losses into account. Please adjust the voltage level directly on your
board or at the pins of the connected device.
Interfaces and connectors