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Hardware Setup

www.ti.com

6

SBOU191 – July 2017

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Copyright © 2017, Texas Instruments Incorporated

DIYAMP-SOT23-EVM

Step 5.

Insert header strips into a spare DIP socket as shown in

Figure 5

.

Figure 5. 4-Pin Length Terminal Strips Inserted in DIP Socket

Step 6.

Position separated PCB over pins and solder the connections. Carefully remove from the DIP
socket.

Figure 6. Detached Board Configuration Position Over Terminal Pins

Step 7.

Attach SMA connectors, test points, or wires to the input and output of the separated PCB.

Figure 7. Fully-Assembled Circuit Configuration From DIYAMP-SOT23-EVM

Содержание DIYAMP-SOT23-EVM

Страница 1: ...Reference 30 List of Figures 1 Location of Circuit Configurations 4 2 Detach Desired Circuit Configuration 5 3 Detach Configuration With Attached IC and Passive Components 5 4 Terminal Strip TS 132 G...

Страница 2: ...or Schematic 20 34 Non inverting Comparator Top Layer 21 35 Non Inverting Comparator Bottom Layer 21 36 Riso with Dual Feedback Schematic 21 37 Example of fZERO Where AOL_Loaded 20 dB 22 38 Riso Dual...

Страница 3: ...sion Labs Op Amps videos 1 1 DIYAMP SOT23 EVM Kit Contents Table 1 details the contents included in the DIYAMP SOT23 EVM kit Table 1 DIYAMP SOT23 EVM Kit Contents Item Description Quantity DIYAMP SOT2...

Страница 4: ...also provides the name of each individual circuit written in silk screen on the EVM Figure 1 Location of Circuit Configurations Table 2 Location of Circuit Legend Circuit Name Silk Screen Label Letter...

Страница 5: ...tion 2 1 for the location of each circuit configuration Step 2 Gently flex the PCB panel at the score lines to separate the desired circuit configuration from the EVM Figure 2 Detach Desired Circuit C...

Страница 6: ...Figure 5 Figure 5 4 Pin Length Terminal Strips Inserted in DIP Socket Step 6 Position separated PCB over pins and solder the connections Carefully remove from the DIP socket Figure 6 Detached Board Co...

Страница 7: ...screen of its schematic for easy reference Figure 8 Silk Screen Circuit Schematic 3 2 Single Supply Multiple Feedback Filter Figure 9 shows the schematic for the single supply multiple feedback MFB fi...

Страница 8: ...Type Type of Component Z1 Type of Component Z2 Type of Component Z3 Type of Component Z4 Type of Component Z5 Low Pass R1 C2 R3 R4 C5 High Pass C1 R2 C3 C4 R5 Band Pass R1 R2 C3 C4 R5 For additional g...

Страница 9: ...logy The single supply Sallen Key filter can be configured as a low pass filter high pass filter or band pass filter based on the component selection of Z1 through Z5 Table 4 displays the type of pass...

Страница 10: ...mplifier circuit configuration Figure 15 Single Supply Non Inverting Amplifier Schematic The non inverting op amp configuration takes an input signal that is applied directly to the high impedance non...

Страница 11: ...populating C3 and C4 with capacitors and populating R3 or R4 with resistors R3 and R4 are used to set the DC output in the following two ways Option 1 VREF is directly applied to the input IN R3 is po...

Страница 12: ...the top layer of the single supply non inverting circuit configuration is displayed in Figure 16 Figure 16 Single Supply Non Inverting Amplifier Top Layer The PCB layout of the bottom layer of the si...

Страница 13: ...ier to a desired value Equation 9 displays the dc transfer function of the single supply inverting amplifier circuit configuration where C3 is shorted with a 0 resistor 9 Capacitor C3 provides the opt...

Страница 14: ...e Supply Inverting Amplifier Bottom Layer 3 6 Difference Amplifier Figure 21 shows the schematic for the difference amplifier circuit configuration Figure 21 Difference Amplifier Schematic The differe...

Страница 15: ...ut of the amplifier The cutoff frequency of the filter can be calculated using Equation 17 where R1 R4 R2 R3 and C1 C4 17 The PCB layout of the top layer of the difference amplifier circuit configurat...

Страница 16: ...dual supply MFB filter circuit can be configured as a low pass filter high pass filter or band pass filter based on the component selection of Z1 through Z5 Table 5 displays the type of passive compon...

Страница 17: ...pply Sallen Key Filter circuit configuration Figure 27 Dual Supply Sallen Key Filter Schematic Sallen Key is one of the most commonly applied active filter topologies The Sallen Key is a non inverting...

Страница 18: ...Type Selection Pass Band Filter Type Type of Component Z1 Type of Component Z2 Type of Component Z3 Type of Component Z4 Type of Component Z5 Low Pass R1 R2 C3 C4 Not populated High Pass C1 C2 R3 R4 N...

Страница 19: ...input signal Vin to the threshold voltage Vth where R3 is unpopulated 18 The comparator input signal is applied to the inverting input so the output will have an inverted polarity When Vin Vth the out...

Страница 20: ...T23 package op amp or push pull output type comparators This configuration uses a voltage divider R3 and R4 to set up the threshold voltage The comparator will compare the input signal Vin to the thre...

Страница 21: ...d in Figure 34 Figure 34 Non inverting Comparator Top Layer The PCB layout of the top layer of the non inverting comparator circuit configuration is displayed in Figure 35 Figure 35 Non Inverting Comp...

Страница 22: ...g disadvantage in precision circuits The voltage drop from Riso is dependent on the output current or output load and may be significant compared to the desired signal The second capacitive load compe...

Страница 23: ...figuration is displayed in Figure 38 Figure 38 Riso Dual Feedback Top Layer The PCB layout of the bottom layer of the Riso dual feedback amplifier circuit configuration is displayed in Figure 39 Figur...

Страница 24: ...ack network will determine the amount of gain to amplify the input signal Equation 26 displays the transfer function of the dual supply non inverting amplifier circuit configuration shown in Figure 40...

Страница 25: ...l that is applied directly to the inverting input terminal and outputs a signal that is the opposite polarity as the input signal The benefit of this topology is that it avoids common mode limitations...

Страница 26: ...The PCB layout of the top layer of the dual supply inverting amplifier circuit configuration is displayed in Figure 44 Figure 44 Dual Supply Inverting Amplifier Top Layer The PCB layout of the bottom...

Страница 27: ...s vertical SMA horizontal SMA wires or through hole test points Examples of these four connectors are shown in this section The SMA recommended for this board is TE Connectivity part number 5 1814400...

Страница 28: ...to the output and Vref terminal Figure 49 Through Hole Test Points The input and output connections can also be accessed from the header strip The input connections are labeled IN and IN for the non...

Страница 29: ...is labeled V the negative supply is labeled V and ground is labeled GND As an alternative wire can be used in place of the included terminals strips to power the board directly Figure 51 shows an all...

Страница 30: ...signator QTY Value Description Package Reference Part Number Manufacturer PCB 1 Printed Circuit Board PA031 Any TS1 TS2 2 Header 2 54mm 32x1 Gold TH TS 132 G AA Samtec 5 2 Reference 1 Comparator with...

Страница 31: ...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...

Страница 32: ...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...

Страница 33: ...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...

Страница 34: ...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...

Страница 35: ...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...

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