Difference between revisions of "POT4 Bill of Materials"
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− | | 2 || CE1,CE3 || || | + | | 2 || CE1,CE3 || 493-2374-1-ND || 10uF 16V tant (Size A / 3216) || [http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=493-2374-1-ND DIG] || ? || require : C>1.0uF, V>=16V size A tant |
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Revision as of 21:15, 22 June 2005
POT4 Bill of Materials
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 (ideally use a good cap here) |
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 | 311-4.99MCCT-ND | 4.99M 1% EIA0805 | DIG | ? | |
1 | RD2 | RHM3.00KCCT-ND | 3.0K 1% EIA0805 | DIG | ? | |
1 | CD1 | PCC101CGCT-ND | 100pF EIA0805 | DIG | ? | |
1 | CD2 | 490-1673-1-ND | 0.1u EIA0805 25V X7R | 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 | PCC1863CT-ND | 0.1uF 50V EIA0805 Y5V | 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 | P0.0ACT-ND | 0.0 ohm | DIG | ? | see notes for RB1,RB2 |
1 | CB3 | PCC1863CT-ND | 0.1uF 50V EIA0805 Y5V | 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 | WM4200-ND | 0.1" 2pin molex header | DIG | 0.31 | mates with : |
precision (adjustable) voltage reference | ||||||
4 | RR1, RR4 | RHM1.60KCCT-ND | 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 | 493-2374-1-ND | 10uF 16V tant (Size A / 3216) | DIG | ? | require : C>1.0uF, V>=16V size A tant |
2 | CE2, CE4 | PCC1853CT-ND | 0.1uF EIA0805 25V Y5V | DIG | ? | require : 0.1u chip cap |
2 | RL1,RL2 | RHM2.7ACT-ND | 2.7K EIA0805 5% | DIG | ? | 2k to 3k resistor is fine |
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 |