Texas Instruments DUAL-DIYAMP-EVM User Manual Download Page 28

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DUAL-DIYAMP-EVM

Summary of Contents for DUAL-DIYAMP-EVM

Page 1: ...Introduction 3 1 1 DUAL DIYAMP EVM Kit Contents 3 1 2 Features 3 1 3 List of Circuits on EVM 3 2 Hardware Setup 3 2 1 EVM Circuit Locations 4 2 2 EVM Assembly Instructions 5 3 Schematic and PCB Layou...

Page 2: ...k Active Filter Schematic 11 16 Multiple Feedback Active Filter Top Layer PCB Layout 12 17 Sallen Key Active Filter Schematic 12 18 Sallen Key Active Filter PCB Layout 13 19 Riso With Dual Feedback Sc...

Page 3: ...e 1 details the contents included in the DUAL DIYAMP EVM kit Table 1 DUAL DIYAMP EVM Kit Contents Item Description Quantity DUAL DIYAMP EVM PCB 1 Header Strip 100 mil 2 54 mm spacing 32 position throu...

Page 4: ...dividual circuit written in silk screen on the EVM Figure 1 Circuit Configuration Location Table 2 Circuit Configuration Location Legend Circuit Name Silk Screen Label Letter in Figure 1 Non inverting...

Page 5: ...ntly flex the PCB panel at the score lines to separate the desired circuit configuration from the EVM Figure 2 Detach Desired Circuit Configuration 3 Solder device and surface mount passive components...

Page 6: ...SMA connectors test points or wires to the inputs and outputs of the separated PCB Figure 7 Fully Assembled Circuit Configuration From DIYAMP SOIC EVM 3 Schematic and PCB Layout This section provides...

Page 7: ...owing cases show the two primary use case configurations for this circuit Case 1 Standard non inverting circuit This circuit can be configured into a standard non inverting circuit by shorting C4 8 an...

Page 8: ...4 Figure 10 displays the PCB layout of the top layer of the non inverting amplifier circuit configuration Figure 10 Non Inverting Amplifier Top Layer PCB Layout 3 3 Inverting Amplifier Figure 11 shows...

Page 9: ...vide the option to ac couple the input of the circuit Equation 6 displays the dc transfer function of the ac coupled inverting amplifier circuit configuration where The input is ac coupled with C4 7 6...

Page 10: ...nce Buffer Schematic The difference amplifier utilizes both inverting and non inverting inputs and produces an output that is dependent on the difference between the inputs The gain of the difference...

Page 11: ...ack Active Filter Schematic The MFB topology sometimes called infinite gain or Rauch is often preferred due to low sensitivity to component variation The MFB topology creates an inverting second order...

Page 12: ...ck Active Filter Top Layer PCB Layout 3 6 Sallen Key Filter Figure 17 displays the schematic for the Sallen Key active filter circuit configuration Figure 17 Sallen Key Active Filter Schematic The Sal...

Page 13: ...ctive filter circuit configuration Figure 18 Sallen Key Active Filter PCB Layout 3 7 Riso With Dual Feedback Figure 19 displays the schematic for the Riso with dual feedback circuit configuration Figu...

Page 14: ...ier Figure 21 displays the schematic for the two op amp instrumentation amplifier circuit configuration Figure 21 Two Op Amp Instrumentation Amplifier Schematic The two op amp instrumentation amplifie...

Page 15: ...sfer function of the two op amp instrumentation amplifier shown in Figure 21 where R1 R4 R2 R3 15 Capacitors C3 and C4 provide the option to ac couple the input Equation 16 calculates the cut off freq...

Page 16: ...Single Ended Input to Differential Output Schematic The single ended input to differential output circuit is used to convert a single ended input to a differential output Equation 17 displays the tran...

Page 17: ...following cases show the two primary use case configurations for this circuit Case 1 Standard non inverting configuration This circuit can be configured into a standard non inverting circuit by shorti...

Page 18: ...ut of the top layer of the parallel op amp circuit configuration Figure 26 Parallel Op Amp Top Layer PCB Layout 3 11 Differential Input to Differential Output Figure 27 displays the schematic for the...

Page 19: ...he PCB layout of the top layer of the differential input to differential output circuit configuration Figure 28 Differential Input to Differential Output Top Layer PCB Layout 4 Connections This sectio...

Page 20: ...Figure 30 shows SMA horizontal connectors attached to the input signal terminal Figure 30 SMA Horizontal Connectors Figure 31 shows a wire attached to the input and output terminal Figure 31 Wire Conn...

Page 21: ...tions for channel A and channel B are labeled INA and INB respectively The output connections for channel A and channel B are labeled OUTA and OUTB respectively An example highlighting the input and o...

Page 22: ...l of Materials and References This section lists the bill of materials and reference documents 5 1 Bill of Materials Table 5 displays the EVM bill of materials Table 5 DUAL DIYAMP EVM Bill of Material...

Page 23: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Page 24: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Page 25: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Page 26: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Page 27: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

Page 28: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments DUAL DIYAMP EVM...