Anritsu S251C manual 4-13, TMA Measurements, Required Equipment, Device Under Test, Procedure

Chapter 4 Measurements

TMA Measurements

Required Equipment

￿Site Master Model S251C

￿Option 10A, Bias Tee

￿External Power Supply 40-115

￿Test Port Extension Cable, Anritsu 15NNF50-1.5C

￿N (m) to 716 (m) Adapters

Device Under Test

￿TMA-S

Procedure

Step 1. Connect the External Power Supply (40-115) to the Site Master.

Step 2. Turn on the Site Master and press the MODE key.

Step 3. Select INSERTION GAIN (–30 dBm) using the Up/Down arrow key and press

ENTER.

Step 4. Press the FREQ/DIST key to set the frequency limits. For a TMA-S amplifier, set F1 to 800 MHz and F2 to 925 MHz.

Step 5. Perform a two-port calibration of the Site Master (page 3-4).

Step 6. Connect the RF Out port of the Site Master to the ANT connector of the TMA. Step 7. Connect the RF In port of the Site Master to the RX connector of the TMA.

TMA-S

TEST PORT CABLE (OPTIONAL)

RF IN TEST PORT

EXTERNAL POWER

SUPPLY (40-115)

RX ANT

TEST PORT CABLE (OPTIONAL)

RF OUT TEST PORT

(BIAS TEE)

Site Master S251C

1 2

START AUTO

CAL SCALE

3 4

SAVE RECALL

SETUP SETUP

5 6

LIMIT MARKER

7 8

ESCAPE

CLEAR

ENTER

SAVE	RECALL	RUN
DISPLAY	DISPLAY	HOLD
9	0	+/-

ON PRINT

OFF.

MODE FREQ/DIST AMPLITUDE SWEEP

Figure 4-8. TMA-S Measurement Setup

SYS

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