PacSat Alpha Board
About the PacSat Alpha Board
PacSat Alpha Board is an open source PCB design by AMSAT-NA, published on GitHub. It is a 6-layer board measuring 92 × 92 mm, with 341 components from 120 distinct parts.
Other key parts include the TMS570LS0914PGE, 700-DS28E83Q+T, MAX31331TETB+, MAX31725MTA+ and MR25H40CDE. By type, the board carries 118 capacitors, 86 resistors, 42 inductors, 34 ICs, 25 connectors and 6 diodes.
Main components on the PacSat Alpha Board
PacSat Alpha Board bill of materials (BOM)
341 components, 120 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TMS570LS0914PGE | TQFP-144_20x20mm_Pitch0.5mm | U2 |
| 1 | 700-DS28E83Q+T DS28E83Q+T Analog Devices | TDFN_T633_2 | U26 |
| 1 | MAX31331TETB+ | TDFN-10-1EP_3x3mm_P0.5mm_EP0.9x2mm | U28 |
| 2 | MAX31725MTA+ | TDFN_T833_2 | U29, U30 |
| 4 | MR25H40CDE | MR2xH40_DFN_SmallFlag | U76, U77, U78, U79 |
| 1 | 595-TPS7A7001DDA TPS7A7001DDA TI | TI_SO-PowerPAD-8 | U86 |
| 1 | 700-DS28E83Q+T MAX1556AEBT+ Analog Devices | TDFN_T1033_1 | U87 |
| 1 | MAX1556A | TDFN_T1033_1 | U88 |
| 1 | TPS22917DBV | SOT-23-6 | U89 |
| 2 | STWD100NYWY3F | SOT-23-5_HandSoldering | U90, U95 |
| 4 | MAX4995ALAUT | SOT-23-6_Handsoldering | U91, U92, U93, U94 |
| 5 | AX5043 Onsemi | QFN28 | U156, U205, U305, U405, U505 |
| 1 | RFShield_OnePiece | RF_SHIELD_BMI_S_201_F_U201 | U201 |
| 1 | 700-MAX1556ETBT TLP3905 Analog Devices-Maxium | SO-4_4.4x3.6mm_P2.54mm | U206 |
| 1 | RFShield_OnePiece | RF_SHIELD_BMI_S_201_F_U301 | U301 |
| 1 | RFShield_OnePiece | RF_SHIELD_BMI_S_202_F_U401 | U401 |
| 1 | RFShield_OnePiece | RF_SHIELD_BMI_S_202_F_U501 | U501 |
| 1 | LT6657AHMS8-2.5 | MSOP-8_3x3mm_P0.65mm | U602 |
| 1 | RBP-140+ | Mini-Circuits_GP731 | U604 |
| 1 | 595-CDCLVC1106PW CDCLVC1106 TI | HTSSOP-14-1EP_4.4x5mm_P0.65mm_EP3.4x5mm_Mask3x3.1mm | U652 |
Show 100 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RFShield_OnePiece | RF_SHIELD_PAD | U701 |
| 1 | SXBP-425+ | Mini-Circuits_HF1139_LandPatternPL-230 | U705 |
| 1 | SAV-331+ | TB-471 | Q601 |
| 1 | ~ | SO-8_3.9x4.9mm_P1.27mm | Q602 |
| 1 | ATF05MS004NT1 | SOT-89-3 | Q701 |
| 1 | AB26T-32.768KHZ-6B | Crystal_AT310_D3.0mm_L10.0mm_Horizontal | Y26 |
| 1 | 588S160X2CAT | Oscillator_SMD_CTS_4X5mm | Y601 |
| 1 | ECS-TXO-2016-33-160-TR | Oscillator_SMD_ECS_2520MV-xxx-xx-4Pin_2.5x2.0mm | Y602 |
| 1 | CONN_02X05 | FTSH-105-01-L-DV-K | J2 |
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J801 |
| 18 | 798-U.FL-R-SMT10 ~ Hirose Conn | U_FL | P100, P201, P202, P301, P302, P401, P501, P502 +10 |
| 4 | 798-U.FL-R-SMT10 U_FL Hirose Conn | U_FL | P101, P601, P702, P703 |
| 1 | Conn_04x26_Pin | PacSat_Dev_4_26 | P651 |
| 12 | Wire_Hole | Wire_Hole | H10, H11, H12, H13, H14, H15, H16, H17 +4 |
| 4 | CUBESAT_MOUNT_HOLE | CUBESAT_MOUNT_HOLE | H101, H102, H103, H104 |
| 2 | Disable Watchdog | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP86, JP87 |
| 1 | Disable WD Shutdown | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP88 |
| 2 | AD4PS+1 | CJ725 | PS601, PS602 |
| 1 | ADT4-1WT+ | Mini-Circuits_CD542_H2.84mm | T601 |
| 2 | U_FL | U_FL SMD | TP1, TP2 |
| 1 | RED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | YEL | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D3 |
| 1 | GRN | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D4 |
| 1 | LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D5 |
| 2 | RB521CS30L,315 | D_0603_1608Metric | D26, D27 |
| 2 | FerriteBead_Small | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | FB651, FB652 |
| 2 | 875-HZ0603A252R-10 2743019447 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | FB701, FB702 |
| 3 | 3u3 | L_1210_3225Metric_Pad1.42x2.65mm_HandSolder | L86, L87, L88 |
| 6 | 594-MCT0603MZ0000ZP5 0 Vishay | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L151, L158, L201, L301, L408, L505 |
| 2 | 27n | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L152, L153 |
| 1 | 43n | L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L154 |
| 1 | 81-LQW18AN43NG00D 43n | L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L155 |
| 2 | 100n | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L156, L157 |
| 1 | 81-LQW18AN30NG00D 30nh | L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L401 |
| 6 | 660-KQ0603TTE68NG 68n | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L402, L403, L501, L502, L503, L504 |
| 2 | 120n | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L404, L405 |
| 2 | 150n | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L406, L407 |
| 1 | 620nH | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L601 |
| 1 | 120 nH | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L602 |
| 1 | 100n | L_0603 | L701 |
| 1 | 81-LQW18AN43NG00D 43n | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L702 |
| 1 | 18n | L_0603 | L703 |
| 1 | 1n2 | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L704 |
| 2 | 5n5 | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L705, L706 |
| 1 | 16n6 | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L707 |
| 1 | 2n55 | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L708 |
| 1 | 8n1 | L_Murata_LQH2MCNxxxx02_2.0x1.6mm | L709 |
| 1 | 4n7 | L_0201_0603Metric_Pad0.64x0.40mm_HandSolder | L710 |
| 15 | 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3, C4, C5, C6, C7, C8, C9 +7 |
| 1 | 6p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C27 |
| 3 | 470n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C28, C86, C87 |
| 2 | 187-CL10A226MO7JZNC 22u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C29, C30 |
| 2 | 710-885012214004 10u Wurth Elektronik | C_2220_5650Metric_Pad1.97x5.40mm_HandSolder | C88, C93 |
| 2 | 1000p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C89, C90 |
| 3 | 22u | C_2220_5650Metric_Pad1.97x5.40mm_HandSolder | C91, C94, C95 |
| 1 | 10u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C92 |
| 2 | 81-GRM188Z71A106KA3D 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C96, C714 |
| 8 | 1u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C97, C98, C99, C100, C101, C121, C122, C123 |
| 17 | 10n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C102, C103, C159, C160, C163, C203, C204, C207 +9 |
| 5 | NS | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C151, C152, C153, C402, C704 |
| 1 | 581-06035A5R1JAT2A 5p1 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C154 |
| 1 | 11p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C155 |
| 3 | 5p6 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C156, C406, C702 |
| 11 | 4p3 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C157, C158, C201, C202, C301, C302, C409, C410 +3 |
| 5 | 6.8p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C161, C205, C305, C413, C506 |
| 7 | 10p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C162, C206, C306, C407, C408, C414, C507 |
| 2 | 27p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C401, C403 |
| 1 | 12p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C404 |
| 1 | 1p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C405 |
| 2 | 22p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C502, C503 |
| 1 | 2.2 nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C601 |
| 3 | 80-C0603C104K3RAC7013 0.1 u KEMET | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C602, C603, C607 |
| 4 | 1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C604, C605, C606, C707 |
| 4 | 80-C0603C104K3RAC7013 0.1u KEMET | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C651, C652, C653, C654 |
| 5 | 2200p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C705, C713, C715, C716, C717 |
| 1 | 18p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C706 |
| 2 | 15p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C708, C711 |
| 2 | 100p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C709, C712 |
| 1 | 56p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C710 |
| 5 | 3k3 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3, R4, R5, R13 |
| 4 | 3K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R7, R8, R604 |
| 6 | 1K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9, R10, R11, R12, R92, R603 |
| 1 | 2.4K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14 |
| 6 | 4k7 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R28, R29, R30, R31, R104, R111 |
| 14 | 594-MCT0603MZ0000ZP5 0R Vishay | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R86, R87, R108, R109, R152, R153, R202, R203 +6 |
| 3 | 4.7k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R88, R98, R99 |
| 1 | 10 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R89 |
| 26 | 10K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R90, R91, R97, R100, R105, R106, R107, R110 +18 |
| 3 | 45k8 1% | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R93, R94, R96 |
| 1 | 143k 1% | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R95 |
| 1 | PLTT1206Z2743BGTS | R_1210_3225Metric_Pad1.30x2.65mm_HandSolder | R101 |
| 1 | PLTT1206Z0303BGTS | R_1210_3225Metric_Pad1.30x2.65mm_HandSolder | R102 |
| 1 | PLTT1206Z0011BGTS | R_1210_3225Metric_Pad1.30x2.65mm_HandSolder | R103 |
| 1 | 3.8K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R113 |
| 6 | 50 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R151, R201, R301, R401, R501, R610 |
| 1 | 5 Meg | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R601 |
| 1 | 2K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R605 |
| 1 | 5K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R606 |
| 1 | 1MEG | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R607 |
| 2 | 22 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R701, R702 |
PacSat Alpha Board design files
The KiCad project lives in the AMSAT-NA/PacSatDocs repository on GitHub; these links point at the commit this page was built from.
PacSat Alpha Board: common questions
How big is the PacSat Alpha Board?
The PacSat Alpha Board measures 92 × 92 mm, has 6 copper layers and is 1.6 mm thick.
How many components are on the PacSat Alpha Board?
341 components, from 120 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the PacSat Alpha Board design files?
From the AMSAT-NA/PacSatDocs repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the PacSat Alpha Board design in my own project?
The repository has no license, so all rights stay with AMSAT-NA. Use it as a reference, and ask the author before reusing the design.
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