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Device Under Test
q
TMA-D
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-D amplifier,
set F1 to 1800 MHz and F2 to 1990 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
Step 8. Press the
MARKER key and set marker set M1 to 1834 MHz and marker M2 to
1871 MHz
Step 9.
Press the SYS key, then OPTIONS, then BIAS TEE to turn on the bias tee volt
-
age. The gain is the level change before and after the bias tee voltage is turned
on.
4-17
Chapter 4 Measurements
TMA-D
RX
TX
ANT
HOLD
RUN
START
CAL
AUTO
SCALE
SAVE
SETUP
RECALL
SETUP
LIMIT
MARKER
SAVE
DISPLAY
RECALL
DISPLAY
PRINT
MODE
FREQ/DIST
AMPLITUDE
SWEEP
SYS
ENTER
CLEAR
ESCAPE
ON
OFF
/
1
2
4
5
6
7
8
9
0
3
+
-
.
Site Master S251C
RF IN TEST PORT
TEST PORT CABLE
(OPTIONAL)
TEST PORT CABLE
(OPTIONAL)
EXTERNAL POWER
SUPPLY(40-115)
RF OUTTEST PORT
(BIASTEE)
Figure 4-13. TMA-D Measurement Setup