Part List
These are the parts required to fully populate the LNMP board. Some
of these parts are optional; see the Part Selection Guide for more
info.
I don't give part numbers for resistors because generic resistors
will work just fine in this circuit. See the Part Selection Guide
for specific advice about choosing resistors.
Some components are marked "Alt.". These are alternatives for the
immediately preceding component.
| Description |
Qty |
ID |
Digi-Key |
Newark |
Mouser |
| Low-noise op-amp, AD797AN |
2 |
IC1, IC2 |
AD797AN |
05F7659 |
– |
| Alt. low-noise op-amp, LT1028CN8 |
2 |
IC1, IC2 |
LT1028CN8 |
– |
– |
| Alt. low-noise op-amp, OPA228PA |
2 |
IC1, IC2 |
OPA228PA |
75C4663 |
– |
| Alt. low-noise op-amp, NE5534P |
2 |
IC1, IC2 |
296-7043-5 |
08F2511 |
595-NE5534P |
| CFB output stage op-amp, LT1206CT7 |
1 |
IC3 |
LT1206CT7 |
– |
– |
| Adjustable linear regulator, LM317 |
1 |
IC4 |
LM317TNS |
07B6423 |
512-LM317T |
| Charge controller chip, MC33340P |
1 |
IC5 |
– |
01F2049 |
– |
| Texas Instruments TLE2426CP ("rail splitter") |
1 |
IC6 |
296-6548-5 |
– |
595-TLE2426CP |
| Input filter cap, 330 µF/35 V |
1 |
C1 |
P10299 |
– |
– |
| Bypass cap, 0.1 µF, film |
7 |
C2,5,9, C15 |
BC1621 |
– |
75-MKT1826410064 |
| Alt. bypass cap, 0.1 µF, ceramic |
7 |
C2,5,9, C15 |
399-2155 |
– |
581-SR215E104M |
| Reservoir/bypass cap, 1 µF/16 V+ tantalum |
7 |
C3,6,10, C17 |
399-1429 |
– |
80-T350A105K035 |
| Phase-lead filter cap, film, 1500pF |
1 |
C4 |
BC2185 |
– |
– |
| Alt. phase-lead filter cap, film, 2400pF |
1 |
C4 |
BC2195 |
– |
– |
| Filter cap, 6.8 µF/50 V |
2 |
C7,8 |
Order with board |
| Metalized polyester box cap, 0.01 µF |
2 |
C11, C14 |
BC1712 |
– |
75-MKT1826310014 |
| Alt. ceramic radial cap, 0.01 µF |
2 |
C11, C14 |
399-2121 |
– |
581-SR211E103M |
| Output filter cap, 220 µF/16 V electrolytic |
1 |
C12 |
P11199 |
– |
– |
| Rail capacitor, 470 µF/16 V electrolytic |
1 |
C16 |
P10248 |
– |
– |
| Alt. rail capacitor, 330 µF/25 V |
1 |
C16 |
P10273 |
– |
– |
| Alt. rail capacitor, 220 µF/35 V |
1 |
C16 |
P10297 |
– |
– |
| Cermet multiturn trim pot, Bourns 3296W, 2K |
1 |
R6 |
3296W-202 |
03F3879 |
652-3296W-1-202 |
| Alt. trim pot, BC CT-94W |
1 |
R6 |
CT94W202 |
– |
– |
| Alt. trim pot, Murata PV36W |
1 |
R6 |
490-2284 |
– |
81-PV36W202A01B00 |
| Alt. trim pot, Vishay-Spectrol Model 64 |
1 |
R6 |
– |
67F5828 |
594-64W202 |
| Generic diode |
4 |
D1-4 |
1N4001GICT |
18C8911 |
583-1N4001 |
| LED, red diffused, 1.8V, 1-5 mA, 3mm |
2 |
PLED, CLED |
HLMP1700 |
90F5862 |
512-HLMP-1700 |
| Heat sink |
2 |
n/a |
HS107 |
– |
532-577202B00 |
| DIP-8 IC socket, gold contacts |
4 |
n/a |
AE7313 |
14F2712 |
575-113308 |
| Gain selector switch (mini SPDT toggle) |
1 |
S1 |
360-1155 |
61F1245 |
612-100-A2311 |
| Alt. gain selector switch (36-pin header strip) |
1 |
S1 |
929974-01-36 |
– |
517-974-01-36 |
| Shorting block for above |
1 |
n/a |
S9002 |
– |
517-951-00 |
| Power switch (round DPDT rocker) |
1 |
S2,S3 |
EG1890 |
26H5744 |
612-RR3130B |
| Alt. power switch (mini SPDT toggle) |
1 |
S2,S3 |
360-1155 |
61F1245 |
612-100-A2311 |
| 5.5/2.1mm DC power jack (metal body) |
1 |
n/a |
– |
– |
163-1021 |
| Alt. DC power jack, isolated, locking |
1 |
n/a |
– |
– |
163-1000 |
| Alt. DC power jack, metal body, closed-circuit |
1 |
n/a |
CP-5 |
– |
163-4304 |
| BNC panel jack, isolated, high-quality |
2 |
n/a |
501-1037 |
– |
565-3778 |
| Alt. BNC jack, cheap |
2 |
n/a |
A24485 |
– |
571-2269901 |
| 4×AAA battery holder, wire leads |
2 |
BH |
2482K |
– |
534-2482 |
| Alt. battery holder |
2 |
BH |
BC4AAAW |
– |
12BH441 |
| 18V 0.5A+ switching regulated power supply |
1 |
PS |
T454-P5P |
– |
418-TR1518 |
| Alt. power supply, 12V unregulated |
1 |
PS |
T507-P5P |
– |
412-112104 |
|