Rohde & Schwarz 1332.4500.22, Руководство пользователя

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Annexes
R&S
®
ZNA
1418 User Manual 1178.6462.02 ─ 12
11.3 Interfaces and Connectors
This chapter provides a detailed description of the rear panel connectors of the
R&S
ZNA. An overview of the available front and rear panel is given in the Getting
Started guide (see Chapter 4.2, "Instrument Tour" , on page 18).
EMI Suppression
Notice the instructions in Chapter 4.1.5, "EMI Suppression" , on page 12.
11.3.1 Rear Panel Connectors
The rear panel of the R&S ZNA provides various connectors for external devices and
control signals.
11.3.1.1 User Port
25-pole D-Sub connector used as an input and output for low-voltage (3.3 V) TTL con-
trol signals. Some of the lines can be configured (see
CONTrol Commands and OUT-
Put Commands ).
Table 11-1: VNA User Port: Pole Assignment
Pin No. Name Input (I) or
Output (O)
Function
1 AGND - Ground
2 UC_EXT_TRG_IN I External trigger 1 input, 5 V tolerant *)
3 AGND - Ground
4 UC_BUSY O Hardware measurement time
5 AGND - Ground
6 READY FOR TRIGGER O Measurement completed, ready for new trigger
(not available for pulsed measurements)
7 AGND - Ground
8 UC_CH_BIT0 O Channel bit 0;
see
CONTrol:AUXiliary:C[:DATA]
and
OUTPut<Ch>:UPORt[:VALue]
9 UC_CH_BIT1 O Channel bit 1
10 UC_CH_BIT2 O Channel bit 2
11 UC_CH_BIT3 O Channel bit 3
12 AGND - Ground
Interfaces and Connectors