Usb Interface - Usb Type A; Headset Jack; Ext Trigger; Ext Freq Ref - Anritsu MS2024A/MS2026A User Manual

2-10 Test Panel Connectors

USB Interface - USB Type A

The VNA Master can also act as a USB Host, which allows various USB Flash Memory
devices to be connected to the instrument for storing measurements and setups.

Headset Jack

The headset jack provides audio output from the built-in AM/FM/SSB demodulator for testing
and troubleshooting wireless communication systems. The jack accepts a 2.5 mm 3-wire
miniature phone plug such as those commonly used with cellular telephones.

Ext Trigger

A TTL signal applied to the
to occur. This mode is used in zero span, and triggering occurs on the rising edge of the signal.
After the sweep is complete, the resultant trace is displayed until the next trigger signal
arrives.

Ext Freq Ref

The BNC female connector is used for connection of an external frequency reference or
external trigger. Select the
frequency of the external reference from the list that is presented. The amplitude of the
External Reference should be between -10dBm and +10 dBm.

RF Detector

The RF detector connector is used for Power Monitor measurements (Option 5). Refer to the
table of available RF Detectors in section in

SPA RF In

This is a 50 Ω Type-N female connector.

VNA Reflection/RF Out

This connector provides RF output at 50
input is +23 dBm at

VNA RF In

This is a 50 Ω Type-N female connector. Maximum input is +23dBm at +/- 50 Vdc.

GPS Antenna Connector

This GPS antenna connection is for GPS only (Option 31 only).
The GPS antenna connection on the VNA Master is fitted with a reverse BNC
connector to help prevent damage to the GPS circuitry. A DC voltage is present on
Note
this connector. Do not connect anything other than the Anritsu GPS antenna (part
number 2000-1410) to this port.
2-14
External Trigger
soft key under the System menu to select the
Ext Ref Freq
50 Vdc.
±
female BNC input connector causes a single sweep
Chapter 1, "General
impedance for reflection measurements. Maximum
Ω
MS20xxA VNA Master UG 10580-00166 Rev. C
Chapter 2 — Quick Start Guide
Information".