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SX1701B
ADVANCED COMMUNICATION & SENSING PRODUCTS
Datasheet
2
PIN DESCRIPTION
2.1.1
Pin Connections
The pin description of the SX1701B is given in Table 1.
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Name
VDD1
VDD2
IN
DEC
G1(0)
OUTM1
OUTP1
G1(1)
NC
NC
NC
NC
G2(0)
OUTM2
OUTP2
G2(1)
GND
Type
Input
Input
Input
Input
Input
Output
Output
Input
None
None
None
None
Input
Output
Output
Input
Input
Description
Supply voltage
Supply voltage
LNA input
Decoupling capacitor
Control of the 1st channel
Differential output 1st Channel
Differential output 1st Channel
Control of the 1st channel
No Connect
No Connect
No Connect
No Connect
Control of the 3rd channel
Differential output 3rd Channel
Differential output 3rd Channel
Control of the 3rd channel
Ground pad
Table 1. Pin description.
2.1.2
Gain Control Pins
The gain setting for each channel is given in Table 2.
Gi(1:0)
00
01
10
11
Description
Channel OFF (default value set by pull-down devices)
Channel ON, G = 6 dB
Channel ON, G = 12 dB
Channel ON, G = 18 dB
Table 2. Channel gain setting.
Note: For applications that require less than 3 outputs, the unused differential outputs and the corresponding channel
gain setting pins can be left floating. The default channel gain setting is “channel OFF [0:0]” (set by internal pull down
resistors).
V1.11_STD – August 26 th , 2008
4/13
www.semtech.com
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