Anritsu MT8801C - 3.1 Panel Layout

3-5
3.1 Panel Layout
[Specifications of CDMA Timing connector]
CDMA Timing connector is a connector of 25-pin, female, and D-SUB.
Note 1
Note 1
Note 1
Note 1
Note 1
Pin No. Signal name Remarks Specifications
1 GND Signal ground
2 1.25MSEC_OUT Reference signal of 1.25-ms period
3 26.7MSEC_OUT Reference signal of 26.7-ms period
4 PP2S_OUT Reference signal out of 2-s period
5 RESERVED Not used
6 Not connected
7 Not connected
8 Not connected
9 Not connected
10 Not connected
11 Not connected
12 Not connected
13 Not connected
14 GND Signal ground
15 20MSEC_OUT Reference signal of 20-ms period
16 80MSEC_OUT Reference signal of 80-ms period
17 RESERVED Not used
18 RESERVED Not used
19 NC
NC
NC
NC
NC
NC
NC
Not connected
20 Not connected
21 Not connected
22 Not connected
23 Not connected
24 Not connected
25 Not connected
NC
NC
NC
NC
NC
NC
NC
NC
5 V TTL level
5 V TTL level
5 V TTL level
5 V TTL level
5 V TTL level
Note 1:
Pulse width is 813 ns (1/1.2288 MHz).
25 Pin
13 Pin
1 Pin
14 Pin
Pin Configuration of CDMA Timing Connector