Difference between revisions of "POT4 Bill of Materials"

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|1 || JF1 || S9000-ND || 0.1" shorting jumper || DIG || ? || used to select amplifer filter path
 
|1 || JF1 || S9000-ND || 0.1" shorting jumper || DIG || ? || used to select amplifer filter path
 
|-
 
|-
 +
 +
! || || 1st LP filter
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|-
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|1 || RF1 || RHM13.3KCCT-ND || 13.3K 1% EIA0805 || DIG || ?
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|-
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|1 || RF2 || RHM13.3KCCT-ND || 13.3K 1% EIA0805 || DIG || ?
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|-
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|1 || RF3 || RHM6.65KCCT-ND || 6.65K 1% EIA0805 || DIG || ?
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|-
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|1 || CF1 || 490-1635-1-ND || 5.1nF EIA0805 ||
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|-
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|1 || CF2 || 490-1644-1-ND || 22nF EIA0805 ||
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|-
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! || || 2nd LP filter
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|-
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| 1 || CF3 || 490-1632-1-ND || 3.3nF EIA0805 || DIG || ?
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|-
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| 1 || CF4 || 490-1644-1-ND || 22nF EIA0805 || DIG || ?
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|-
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|1 || RF4 || RHM6.65KCCT-ND || 6.65K 1% EIA0805 || DIG || ?
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|-
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 +
|1 || RF5 || RHM6.65KCCT-ND || 6.65K 1% EIA0805 || DIG || ?
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|-
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! || || BW limited derivative
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|-
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 +
 +
|1 || RD1|| || || DIG || ?
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|-
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|1 || RD2|| || || DIG || ?
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|-
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|1 || CD1|| || || DIG || ?
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|-
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 +
|1 || CD2|| || || DIG || ?
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|-
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! || || differential position output
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|-
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| 2 || RB1,RB2 || || 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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|-
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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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|-
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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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|-
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| 1 || UB1 || DRV135UA || differential driver in SO8 package || DIG || ? ||
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|-
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| 1 || PN1 || WM4203-ND || 0.1" 5pin molex header || DIG || ? || mates with :
 +
|-
 +
 +
! || || differential velocity output
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|-
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 +
| 2 || RB3, RB4 || || 0.0 ohm || DIG || ? || see notes for RB1,RB2
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|-
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| 1 || CB3 || || 0.1uF || DIG || ? ||
 +
|-
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 +
| 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 || DIG || ? ||
 +
|-
 +
 +
| 1 || PN2 || WM4203-ND || 0.1" 5pin molex header || DIG || ? || mates with :
 +
|-
 +
 +
 +
! || || precision (adjustable) voltage reference
 +
|-
 +
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| 4 || RR1, RR4 || || 1.60K 1/8watt EIA0805 || DIG || ? || pair of resistors stacked to increase power to 1/4watt
 +
|-
 +
 +
|
  
  
 
|}
 
|}

Revision as of 07:11, 14 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  ?
1 CC3 PCC1828CT-ND 0.1u, 25V X7R EIA0805 multilayer ceramic DIG  ? 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  ? 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  ? 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  ? for INA128 gain = 1+50K/RA1
1 UA1 INA128UA Instrumentation Amp SO8 package DIG  ? 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 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  ? need 4 pins to make a 3 way jumper
1 JF1 S9000-ND 0.1" shorting jumper DIG  ? used to select amplifer filter path
1st LP filter
1 RF1 RHM13.3KCCT-ND 13.3K 1% EIA0805 DIG  ?
1 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
1 CF2 490-1644-1-ND 22nF EIA0805
2nd LP filter
1 CF3 490-1632-1-ND 3.3nF EIA0805 DIG  ?
1 CF4 490-1644-1-ND 22nF EIA0805 DIG  ?
1 RF4 RHM6.65KCCT-ND 6.65K 1% EIA0805 DIG  ?
1 RF5 RHM6.65KCCT-ND 6.65K 1% EIA0805 DIG  ?
BW limited derivative
1 RD1 DIG  ?
1 RD2 DIG  ?
1 CD1 DIG  ?
1 CD2 DIG  ?
differential position output
2 RB1,RB2 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 DIG  ?
1 PN1 WM4203-ND 0.1" 5pin molex header DIG  ? mates with :
differential velocity output
2 RB3, RB4 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 DIG  ?
1 PN2 WM4203-ND 0.1" 5pin molex header DIG  ? 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


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