Texas Instruments SLOU106 manual Additional Sample Schematics

Page 11

Additional Sample Schematics

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

R3BR6b

50 Ω RX1

Source

0

Ω

 

 

VIN

AC

RX2 0 Ω

R1b 0 Ω

R16 Termination Resistor

R1a

0Ω

R3a

 

C4

 

 

VCC

 

 

+

 

 

±

 

 

THS4140

 

 

+

 

 

±

 

C1

VCC±

C6

 

VOCM

 

R6a

R4b Rx4 R10

0 Ω 0 Ω

R4a Rx5 Rx6

0 Ω 0 Ω

Note: Fully-differential in / fully-differential out signal path. See the Texas Instruments February 2001 Analog Applications

Journal for the information on the termination resistors.

Figure 1±4. Fully-Differential In/Fully-Differential Out, Utilizing Transformer

 

 

 

 

 

R6b

 

 

 

 

 

C4

50 Ω

 

 

 

 

VCC

R5

 

 

 

 

Source

T1

R1B

R3b

+ ±

VIN

 

 

 

 

AC

R9

 

R1A

R3a

THS4140

 

 

+

 

 

 

 

 

±

 

 

 

 

C1

C6

 

 

 

 

 

VOCM GND

 

 

 

 

 

R6a

R4b R14 T2 R10

0 Ω

0 Ω

 

R4a

R15

Rx6

0 Ω

0 Ω

 

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.

Introduction and Description

1-5

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Contents Users Guide Important Notice Preface Trademarks Contents Figures Introduction and Description Description Evaluation Module FeaturesSchematic of the Populated Circuit Default Configuration THS4140 EVM Specifications±2. Schematic THS4140 EVM SchematicAdditional Sample Schematics ±5. Vicr Level Shifter ±7. Top Layer Silkscreen THS4140 EVM Layout±9. Internal Plane Layer 2 Ground Plane ±11. Bottom Layer 4 Ground and Signal Introduction and Description Using the THS4140 EVM Required Equipment Power Supply Setup±2. Signal Connections Input and Output Setup±3. Driver 1 Output Signal Testing the EVM SetupMeasuring the Frequency Response Power Down VerificationButterworth Filter Butterworth Filter±1. THS4140 EVM Bill of Materials THS4140 EVM Bill of MaterialsP374CTR-ND General High-Speed Amplifier Design Considerations General High-Speed Amplifier Design Considerations

SLOU106 specifications

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