Anritsu Site Master S332D Guía de usuario descargar pdf (Pagina 95)

Site Master User Guide PN: 10580-00252 Rev. E 8-1

Chapter 8 — Bias Tee (Option 10)

8-1 Overview

Option 10 provides a bias tee that is installed inside the instrument. The bias arm is

connected to a 12 VDC to 32 VDC power source that can be turned on as needed to place the

voltage on the center conductor of the instrument’s RF In port. This supply of bias implies it is

mostly useful when conducting two-port transmission measurements. This voltage can be

used to provide power to block down-converters in satellite receivers and can also be used to

power some tower-mounted amplifiers.

The bias can be turned on only when the instrument is in transmission measurement, return

loss, cable loss, VSWR, DTF, or spectrum analyzer mode. When bias is turned on, the bias

voltage and current are displayed in the lower left corner of the display. The 12 VDC to

32 VDC power supply is designed to continuously deliver a maximum of 6 watts.

The bias tee menu can be accessed from the applications options menu and in transmission

measurement, it can also be accessed from the Measure main menu.

Figure 8-1. Variable Bias Tee

Power Charge

+/-

Sweep

Calibrate

Preset

Limit

Trace

Measure

Mode

System

File

Shift

Esc

Enter

SiteMaster

S362E

RF OUT RF IN

TMA-DD

ANT

RX / TX

(Bias Tee)

Coral-i Solutions

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Anritsu Site Master S332D Guía de usuario Pagina 95