参数资料
型号: EL5372
英文描述: Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller; Temperature Range: -40°C to 85°C; Package: 20-QFN
中文描述: 200MHz的差分线路接收器
文件页数: 4/15页
文件大小: 652K
代理商: EL5372
12
Typical Applications
FIGURE 25. TWISTED PAIR CABLE RECEIVER
As the signal is transmitted through a cable, the high
frequency signal will be attenuated. One way to compensate
this loss is to boost the high frequency gain at the receiver
side.
FIGURE 26. COMPENSATED LINE RECEIVER
Level Shifter and Signal Summer
The EL5172 and EL5372 contains two pairs of differential
pair input stages. It makes the inputs are all high impedance
inputs. To take advantage of the two high impedance inputs,
the EL5172 and EL5372 can be used as a signal summer to
add two signals together. Like, one signal can be applied to
VIN+, the second signal can be applied to REF and VIN- is
ground. The output is equal to:
Also, the EL5172 and EL5372 can be used as a level shifter
by applying a level control signal to the REF input.
0
VFB
VINB
VREF
EL5172/
EL5372
EL5173/
EL5373
or
EL5172/
EL5372
VOUT
50
ZO = 100
VIN
50
50
R2
VFB
VINB
VREF
EL5172/
EL5372
VOUT
VIN
50
50
R1
R3
C1
ZO = 100
fA
fC
f
Gain
(dB)
1 + R2 / R1
1 + R2 / (R1 + R3)
V
O
V
IN
(
+V
REF )
Gain
×
+
=
EL5172, EL5372
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