SX1701B
ADVANCED COMMUNICATION & SENSING PRODUCTS
Datasheet
5
APPLICATION EXAMPLE
Although intended for differential output operation, the SX1701B may be used for the single-ended output
configuration as shown in Figure 5. Note that some degradation in device performance may be experienced, including
a 3 dB reduction in gain.
5.1
SINGLE-ENDED INPUT TO 1 DIFFERENTIAL OUTPUTS WITH LOOP-THROUGH SINGLE-ENDED
OUTPUT
+ 5.0 V
10nF
X7R
0603
1nF
X7R
0603
2
1
470pF 17
C0G
0603
VDD2
VDD1
GND
SX1701B
G2(1:0)
OUTP2
OUTM2
15
14
470pF
C0G
0603
470pF
C0G
100 Ω
RF BALANCED OUTPUT
To BCM tuner
0603
75 Ω RF INPUT
3
IN
NC
11
0.3pF
C0G
0603
470pF
C0G
0603
3.9nH
wirewound
0603
4
DEC
NC
G1(1:0)
OUTP1
10
7
470pF
C0G
0603
470pF
C0G
75 Ω 0603
RF SINGLE ENDED OUTPUT
loop
5 8
9 12 13 16
OUTM1
6
470pF
C0G
0603
51R0
0603
100R
0603
15R0
0603
3K3
0603
3K3 3K3
0603 0603
3K3
0603
Gain control
Figure 5. Differential output with loop-through.
V1.11_STD – August 26 th , 2008
10/13
www.semtech.com
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