Fully-Differential In/Fully-Differential Out, Without Transformer; Fully-Differential In/Fully-Differential Out, Utilizing Transformer; Additional Sample Schematics - Texas Instruments SLOU106 User Manual

1.6 Additional Sample Schematics

For verification of jumper locations and other bypass components, see the
complete EVM schematic in Figure 1–2.
Figure 1–3. Fully-Differential In/Fully-Differential Out, Without Transformer
RX1 R1b
50
0 0
Source
V
IN
R16 Termination
AC
Resistor
RX2 R1a
0 0
Note: Fully-differential in / fully-differential out signal path.
Journal for the information on the termination resistors
Figure 1–4. Fully-Differential In/Fully-Differential Out, Utilizing Transformer
50
R5
R1B
Source T1
V
IN
AC
R9
R1A
Note: Utilizing the input and output transformers to create a fully-differential signal input/ differential or single output and isolate
the amplifier from the rest of the front-end and back-end circuits.
R6b
R3B
C4
V
CC
+
THS4140
–
V
C1
CC–
V
OCM
R6a
R3a
See the Texas Instruments February 2001 Analog Applications
.
R6b
C4
V
CC
R3b
+
–
THS4140
R3a
+
–
C1
GND
V
OCM
R6a
Additional Sample Schematics
R4b Rx4
–
0 0
R4a Rx5
+
0 0
C6
R4b R14 R10
T2
0 0
R4a R15 Rx6
0 0
C6
Introduction and Description
R10
Rx6
1-5