Linx Technologies TXM-xxx-LC - Manual (Page 6)

– – – – 6 7
+8
+7
+6
+5
+4
+3
+2
+1
0
-1
-2
-3
-4
LADJ Resistor Value ( Ω)
51 100 150 200 240 300 360 430 510 560 620 680 750 820 910 1.1K
Output Power (dBm)
3V
5V
Pin Assignments
GND
DATA
GND
GND
ANT LADJ/GND
GND
VCC
1
2
3
4
5
6
7
8
Pin Descriptions
Pin Number Name I/O Description
1 GND — Analog Ground
2 DATA I Digital Data Input
3 GND — Analog Ground
4 LADJ/GND I
Level Adjust. This line is used to adjust
the output power level of the transmitter.
Connecting to ground gives the highest
output, while pacing a resistor to ground
lowers the output level (see Figure 9 on
page 6)
5 ANT — 50-ohm RF Output
6 GND — Analog Ground
7 V
CC
— Supply Voltage
8 GND — Analog Ground
Pin Descriptions Figure 9: Output Power vs. LADJ Resistor
Figure 10: LC Series Transmitter Pinout (Top View)
Figure 11: Pin Descriptions