Difference between revisions of "POT4 Bill of Materials"

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|1 || U1 || LM324 || quad opamp SO14 (narrow) package || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=LM324 DIG] || ? || ALTs : quad opamp (Vsup > 32)
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|1 || U1 || 296-1390-5-ND|| LM324 quad opamp SO14 (narrow) package || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=296-1390-5-ND DIG] || ? || ALTs : quad opamp (Vsup > 32)
 
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|1 || RD1 ||  || 4.99M 1% EIA0805 || DIG || ?  
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|1 || RD1 ||  || 4.99M 1% EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ?  
 
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|1 || RD2 || || 3.0K 1% EIA0805 || DIG || ?  
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|1 || RD2 || || 3.0K 1% EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ?  
 
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|1 || CD1 || || 100pF EIA0805 || DIG || ?  
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|1 || CD1 || || 100pF EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ?  
 
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|1 || CD2 || || 0.1u EIA0805 || DIG || ?  
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|1 || CD2 || || 0.1u EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ?  
 
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| 2 || RB1,RB2 || P0.0ACT-ND || 0.0 ohm EIA0805 || DIG || ? || increase R for output RC filter by adding matched precision resistors here.  Driver output is already 50 ohm.
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| 2 || RB1,RB2 || P0.0ACT-ND || 0.0 ohm EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=P0.0ACT-ND DIG] || ? || increase R for output RC filter by adding matched precision resistors here.  Driver output is already 50 ohm.
 
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| 1 || CB1 || ? || 0.1uF || DIG || ? || use 25V or larger bipolar precision cap here to increase C in output RC filter.    Total C is CB1 + CB2
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| 1 || CB1 || ? || 0.1uF || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ? || use 25V or larger bipolar precision cap here to increase C in output RC filter.    Total C is CB1 + CB2
 
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| 1 || CB2 || 495-1087-ND || 1uF, 50V (bipolar) metalized poly cap || DIG || ? || output RC filter is CB1 + CB2
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| 1 || CB2 || 495-1087-ND || 1uF, 50V (bipolar) metalized poly cap || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=495-1087-ND DIG] || ? || output RC filter is CB1 + CB2
 
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| 1 || UB1 || DRV135UA || differential driver in SO8 package || DIG || ? ||  
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| 1 || UB1 || DRV135UA || differential driver in SO8 package || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DRV135UA DIG] || ? ||  
 
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| 1 || PN1 || WM4203-ND || 0.1" 5pin molex header || DIG || ? || mates with :
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| 1 || PN1 || WM4203-ND || 0.1" 5pin molex header || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=WM4203-ND DIG] || ? || mates with :
 
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| 2 || RB3, RB4 || P0.0ACT-ND || 0.0 ohm || DIG || ? || see notes for RB1,RB2
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| 2 || RB3, RB4 || P0.0ACT-ND || 0.0 ohm || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=P0.0ACT-ND DIG] || ? || see notes for RB1,RB2
 
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| 1 || CB3 || || 0.1uF || DIG || ? ||  
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| 1 || CB3 || || 0.1uF || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ? ||  
 
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| 1 || CB4 || 495-1087-ND || 1uF, 50V (bipolar) metalized poly cap || DIG || ? || output RC filter is CB3 + CB4
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| 1 || CB4 || 495-1087-ND || 1uF, 50V (bipolar) metalized poly cap || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=495-1087-ND DIG] || ? || output RC filter is CB3 + CB4
 
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| 1 || UB2 || DRV135UA || differential driver in SO8 package || DIG || ? ||  
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| 1 || UB2 || DRV135UA || differential driver in SO8 package || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DRV135UA DIG] || ? ||  
 
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| 1 || PN2 || WM4203-ND || 0.1" 5pin molex header || DIG || ? || mates with :
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| 1 || PN2 || WM4200-ND || 0.1" 2pin molex header || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=WM4200 DIG] || 0.31 || mates with :
 
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| 4 || RR1, RR4 || || 1.60K 1/8watt EIA0805 || DIG || ? || pair of resistors stacked to increase power to 1/4watt
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| 4 || RR1, RR4 || || 1.60K 1/8watt EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ? || pair of resistors stacked to increase power to 1/4watt
 
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| 1 || RR2 || RHM7.32KCCT-ND || 7.32K 1% EIA0805 || DIG || ? ||
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| 1 || RR2 || RHM7.32KCCT-ND || 7.32K 1% EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=RHM7.32KCCT-ND DIG] || ? ||
 
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| 1 || RR3 || RHM2.49KCCT-ND || 2.49K 1% EIA0805 || DIG || ? ||
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| 1 || RR3 || RHM2.49KCCT-ND || 2.49K 1% EIA0805 || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=RHM2.49KCCT-ND DIG] || ? ||
 
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| 1 || UR1 || TL1431 || adjustable voltage reference in SO8 package || DIG || ? ||  
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| 1 || UR1 || 296-10129-6-ND || TL1431CD adjustable voltage reference in SO8 package || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=296-10129-6-ND DIG] || 0.72 ||  
 
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| 1 || CR1 || 493-2374-1-ND || 6.8V, 16V tant (size A / 3216) || DIG || ? || > 6.8uF to avoid reference instability
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| 1 || CR1 || 493-2374-1-ND || 6.8V, 16V tant (size A / 3216) || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=493-2374-1-ND DIG] || ? || > 6.8uF to avoid reference instability
 
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| 2 || CE1,CE3 || || 2.2uF 16V tant (Size A / 3216) || DIG || ? || require : C>1.0uF, V>=16V size A tant
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| 2 || CE1,CE3 || || 2.2uF 16V tant (Size A / 3216) || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ? || require : C>1.0uF, V>=16V size A tant
 
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| 2 || CE2, CE4 || || 0.1uF EIA0805 25V || DIG || ? || require : 0.1u chip cap
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| 2 || CE2, CE4 || || 0.1uF EIA0805 25V || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ? || require : 0.1u chip cap
 
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| 2 || RL1,RL2 ||  || 2.74K EIA0805 5% || DIG || ? ||  
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| 2 || RL1,RL2 ||  || 2.74K EIA0805 5% || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name= DIG] || ? ||  
 
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| 2 || DL1,DL2 || P503-ND || red gull wing SMT 4.2mm LED || DIG || ? || P514-ND (green) for bridge board
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| 2 || DL1,DL2 || P503-ND || red gull wing SMT 4.2mm LED || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=P503-ND DIG] || ? || P514-ND (green) for bridge board
 
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| 1 || SH1 || P0.0ACT-ND || 0.0 ohm || DIG || ? || GND to COM solder bead?
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| 1 || SH1 || P0.0ACT-ND || 0.0 ohm || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=P0.0ACT-ND DIG] || ? || GND to COM solder bead?
 
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| 2 || RN1, RN2 || RHM15.0FCT-ND || 15ohm EIA1206 1/4W || DIG || ? || requires < 20 ohm - reduces inrush current when board first powered and limited total current
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| 2 || RN1, RN2 || RHM15.0FCT-ND || 15ohm EIA1206 1/4W || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=RHM15.0FCT-ND DIG]  || ? || requires < 20 ohm - reduces inrush current when board first powered and limited total current
 
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Revision as of 20:49, 22 June 2005

POT4 Bill of Materials


POT4 (REV-0)
NUM REFDES Part# Desc Source Price Notes
1 PC1 WM4203-ND 5 pin, 0.1" molex header DIG 0.59
1 CC3 PCC1828CT-ND 0.1u, 25V X7R EIA0805 multilayer ceramic DIG 0.062 optional - provides LP input filter
1 CC3  ? 1 meg EIA0805 DIG  ? optional - stack over CC3 to provide 0 input for no input connection
2 RC1,RC2 P0.0ACT-ND 0.0 ohm EIA0805 DIG 0.077 short inputs
4 CC1,2,4,5 not populated place 0.1u caps here for additional LP input filtering
1 JC1 P15.0HCT 15 ohm EIA0605 DIG 0.09 3 way solder bead jumper - solder R between COM and SHIELD option
1 RA1 331-499FCT-ND (gain=100), open (gain=1) EIA1206 resistor to set gain DIG 0.088 for INA128 gain = 1+50K/RA1
1 UA1 INA128UA Instrumentation Amp SO8 package DIG 5.80 ALT : many - LT1167, INA122 (Vsup > 32) gain equation may be different
1 RO1 3266W-103-ND(POT), 3266W-503ND(bridge) (burns3266w) multiturn trim pot DIG  ? 10K for POT, 50K for bridge
1 U1 296-1390-5-ND LM324 quad opamp SO14 (narrow) package DIG  ? ALTs : quad opamp (Vsup > 32)
1 JF1 S1012-36-ND 36 pin 0.1" header pins (36) DIG  ? this part is 36 pins, 4 pins are needed to make a 3way jumper
1 JF1 S9000-ND 0.1" shorting jumper DIG  ? used to select amplifer filter path
1st LP filter
2 RF1,RF2 RHM13.3KCCT-ND 13.3K 1% EIA0805 DIG  ?
1 RF3 RHM6.65KCCT-ND 6.65K 1% EIA0805 DIG  ?
1 CF1 490-1635-1-ND 5.1nF EIA0805 DIG  ?
1 CF2 490-1644-1-ND 22nF EIA0805 DIG  ?
2nd LP filter
1 CF3 490-1632-1-ND 3.3nF EIA0805 DIG  ?
1 CF4 490-1644-1-ND 22nF EIA0805 DIG  ?
2 RF4,RF5 RHM6.65KCCT-ND 6.65K 1% EIA0805 DIG  ?
BW limited derivative
1 RD1 4.99M 1% EIA0805 DIG  ?
1 RD2 3.0K 1% EIA0805 DIG  ?
1 CD1 100pF EIA0805 DIG  ?
1 CD2 0.1u EIA0805 DIG  ?
differential position output
2 RB1,RB2 P0.0ACT-ND 0.0 ohm EIA0805 DIG  ? increase R for output RC filter by adding matched precision resistors here. Driver output is already 50 ohm.
1 CB1  ? 0.1uF DIG  ? use 25V or larger bipolar precision cap here to increase C in output RC filter. Total C is CB1 + CB2
1 CB2 495-1087-ND 1uF, 50V (bipolar) metalized poly cap DIG  ? output RC filter is CB1 + CB2
1 UB1 DRV135UA differential driver in SO8 package DRV135UA DIG  ?
1 PN1 WM4203-ND 0.1" 5pin molex header DIG  ? mates with :
differential velocity output
2 RB3, RB4 P0.0ACT-ND 0.0 ohm DIG  ? see notes for RB1,RB2
1 CB3 0.1uF DIG  ?
1 CB4 495-1087-ND 1uF, 50V (bipolar) metalized poly cap DIG  ? output RC filter is CB3 + CB4
1 UB2 DRV135UA differential driver in SO8 package DRV135UA DIG  ?
1 PN2 WM4200-ND 0.1" 2pin molex header DIG 0.31 mates with :
precision (adjustable) voltage reference
4 RR1, RR4 1.60K 1/8watt EIA0805 DIG  ? pair of resistors stacked to increase power to 1/4watt
1 RR2 RHM7.32KCCT-ND 7.32K 1% EIA0805 DIG  ?
1 RR3 RHM2.49KCCT-ND 2.49K 1% EIA0805 DIG  ?
1 UR1 296-10129-6-ND TL1431CD adjustable voltage reference in SO8 package DIG 0.72
1 CR1 493-2374-1-ND 6.8V, 16V tant (size A / 3216) DIG  ? > 6.8uF to avoid reference instability
power section
2 CE1,CE3 2.2uF 16V tant (Size A / 3216) DIG  ? require : C>1.0uF, V>=16V size A tant
2 CE2, CE4 0.1uF EIA0805 25V DIG  ? require : 0.1u chip cap
2 RL1,RL2 2.74K EIA0805 5% DIG  ?
2 DL1,DL2 P503-ND red gull wing SMT 4.2mm LED DIG  ? P514-ND (green) for bridge board
1 SH1 P0.0ACT-ND 0.0 ohm DIG  ? GND to COM solder bead?
2 RN1, RN2 RHM15.0FCT-ND 15ohm EIA1206 1/4W DIG  ? requires < 20 ohm - reduces inrush current when board first powered and limited total current
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