Neapolitan
About the Neapolitan PCB
Neapolitan is an open source PCB design by alexmfz, published on GitHub under the GPL-2.0 license. It is a board measuring 120 × 75 mm, with 290 components from 133 distinct parts.
Other key parts include the SKY13350, RX_LOWPASS_FILTER, RFFC5072, RX_HIGHPASS_FILTER and SKY13317. By type, the board carries 120 capacitors, 66 connectors, 42 resistors, 21 ICs, 19 inductors and 8 diodes.
From the project
Copyright 2012 - 2016 Great Scott Gadgets
Copyright 2012 - 2016 Great Scott Gadgets
This is a free hardware design; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version.
This design is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Main components on the Neapolitan
Neapolitan bill of materials (BOM)
290 components, 133 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | SKY13350 | GSG-SKY13350-385LF | U1, U2, U5, U6, U7, U10, U11 |
| 1 | RX_LOWPASS_FILTER | GSG-LP0603 | U3 |
| 1 | RFFC5072 | GSG-QFN32 | U4 |
| 1 | RX_HIGHPASS_FILTER | GSG-HP-DEA | U8 |
| 3 | SKY13317 | GSG-SKY13317-373LF | U9, U12, U14 |
| 2 | MGA-81563 | GSG-SOT363 | U13, U25 |
| 1 | GSG-74HC04 TCA6424A | QFN32-5 | U15 |
| 1 | GSG-74HC08 TCR2EF | SOT25 | U16 |
| 1 | MAX2837 | GSG-QFN48-6 | U17 |
| 1 | MAX5864 74LVC1G14 | SOT353-1 | U18 |
| 1 | SI5351C | GSG-QFN20-4 | U19 |
| 1 | W25Q80BV AP2553W6-7 | SOT457 | U20 |
| 6 | MOSFET_P | SOT23GDS | Q1, Q2, Q3, Q5, Q6, Q7 |
| 1 | GSG-XTAL4PIN | GSG-XTAL3.2x2.5mm | X1 |
| 1 | FOX924B | XTAL5.0x3.2mm | X2 |
| 1 | KT2520 | KT2520K | X3 |
| 1 | OH4 | OH4 | X4 |
| 1 | USB-MICRO-B | GSG-USB-MICROB-FCI-10103592-EXT | J1 |
| 1 | 900MHZ-F-ANTENNA RF-SHIELD-FRAME | GSG-SHIELD-BMI-S-230 | J2 |
| 1 | RF-SHIELD-COVER | GSG-NULL-MODULE | J3 |
Show 113 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 6 | MOUNTING_HOLE | GSG-HOLE126MIL-COPPER | J4, J5, J6, J7, J8, J9 |
| 1 | GND_CLIP | GSG-TEST-POINT-S1751-46R | J10 |
| 1 | BARREL_JACK | CUI_PJ-102[AB]H | J11 |
| 1 | 1V8 !IO_INT | GSG-TESTPOINT-50MIL | P1 |
| 1 | !IO_RESET | GSG-TESTPOINT-50MIL | P2 |
| 1 | ANT_FAULT | GSG-TESTPOINT-50MIL | P3 |
| 1 | ANTENNA | GSG-SMA-73251-2120 | P4 |
| 1 | LEDS | GSG-HEADER-2x3 | P5 |
| 1 | GPO4 | GSG-TESTPOINT-50MIL | P6 |
| 1 | CTIN_4 GPO2 | GSG-TESTPOINT-50MIL | P7 |
| 1 | CTOUT_4 BASEBAND | GSG-HEADER-2x8 | P9 |
| 1 | U3_TXD GPO1 | GSG-TESTPOINT-50MIL | P13 |
| 1 | XCVR_CLKOUT | GSG-TESTPOINT-50MIL | P14 |
| 1 | INTR | GSG-TESTPOINT-50MIL | P15 |
| 1 | GPO6 | GSG-TESTPOINT-50MIL | P17 |
| 1 | OEB | GSG-TESTPOINT-50MIL | P18 |
| 1 | GPO3 | GSG-TESTPOINT-50MIL | P19 |
| 1 | GPIO | GSG-HEADER-2x11 | P20 |
| 1 | REF_IN | GSG-TESTPOINT-50MIL | P21 |
| 1 | I2S | GSG-HEADER-2x13 | P22 |
| 1 | CONN_3 MIXER_SDATA | GSG-TESTPOINT-50MIL | P27 |
| 1 | SD | GSG-HEADER-2x11 | P28 |
| 1 | BANK1_AUX MIXER_SCLK | GSG-TESTPOINT-50MIL | P31 |
| 1 | CONN_3 MIXER_ENX | GSG-TESTPOINT-50MIL | P32 |
| 1 | CONN_3 MIXER_RESETX | GSG-TESTPOINT-50MIL | P33 |
| 1 | CONN_3 MIX_BYPASS | GSG-TESTPOINT-50MIL | P34 |
| 1 | GCK0 !MIX_BYPASS | GSG-TESTPOINT-50MIL | P35 |
| 1 | VAA | GSG-HEADER-1x2 | P36 |
| 1 | SSP1_SCK SSP0_SCK | GSG-TESTPOINT-50MIL | P39 |
| 1 | SSP1_MOSI SSP0_MOSI | GSG-TESTPOINT-50MIL | P40 |
| 1 | SSP1_MISO SSP0_MISO | GSG-TESTPOINT-50MIL | P41 |
| 1 | TX | GSG-TESTPOINT-50MIL | P42 |
| 1 | RX | GSG-TESTPOINT-50MIL | P43 |
| 1 | HP | GSG-TESTPOINT-50MIL | P44 |
| 1 | LP | GSG-TESTPOINT-50MIL | P45 |
| 1 | TX_MIX_BP | GSG-TESTPOINT-50MIL | P46 |
| 1 | RX_MIX_BP | GSG-TESTPOINT-50MIL | P47 |
| 1 | TX_AMP | GSG-TESTPOINT-50MIL | P48 |
| 1 | RX_AMP | GSG-TESTPOINT-50MIL | P49 |
| 1 | AMP_BYPASS | GSG-TESTPOINT-50MIL | P50 |
| 1 | !TX_AMP_PWR | GSG-TESTPOINT-50MIL | P51 |
| 1 | !RX_AMP_PWR | GSG-TESTPOINT-50MIL | P52 |
| 1 | CS_XCVR | GSG-TESTPOINT-50MIL | P53 |
| 1 | TXENABLE | GSG-TESTPOINT-50MIL | P55 |
| 1 | RXENABLE | GSG-TESTPOINT-50MIL | P56 |
| 1 | XTAL2 | GSG-TESTPOINT-50MIL | P57 |
| 1 | RSSI | GSG-TESTPOINT-50MIL | P67 |
| 1 | SHIELD | GSG-HEADER-NOMARK-1x2 | P80 |
| 10 | GND | GSG-TESTPOINT-50MIL | P83, P84, P85, P86, P87, P88, P89, P90 +2 |
| 1 | MIX_IN_BALUN | GSG-B0310J50100AHF | T1 |
| 1 | MIX_OUT_BALUN | GSG-B0310J50100AHF | T2 |
| 1 | RX_BALUN | GSG-2500BL14M100 | T3 |
| 1 | TX_BALUN | GSG-2500BL14M100 | T4 |
| 1 | GSG-DIODE-TVS-BI | GSG-0402 | D1 |
| 1 | USBLED1 VAALED | LTST-S220 | D2 |
| 1 | LED1 BARREL_DIODE | SOD128 | D4 |
| 1 | LED2 RXLED | LTST-S220 | D5 |
| 1 | LED3 TXLED | LTST-S220 | D6 |
| 1 | VCCLED | LTST-S220 | D7 |
| 1 | 1V8LED VBUS2_DIODE | SOD128 | D8 |
| 1 | VIN_DIODE | SOD128 | D10 |
| 3 | FILTER | GSG-0805 | FB1, FB2, FB3 |
| 5 | DNP | GSG-0402 | L1, L4, L6, L8, L9 |
| 4 | 1UH 10uH | GSG-0603 | L2, L3, L5, L12 |
| 1 | 6.2NH 6.2nH | GSG-0402 | L7 |
| 2 | 4U7 10uH | GSG-0603 | L10, L11 |
| 4 | 10uH | GSG-0603 | L13, L14, L15, L16 |
| 30 | 33PF 33pF | GSG-0402 | C1, C3, C5, C7, C10, C11, C16, C19 +22 |
| 10 | 10NF 10nF | GSG-0402 | C2, C4, C6, C87, C88, C89, C92, C93 +2 |
| 6 | 47PF 22pF | GSG-0402 | C8, C21, C32, C43, C48, C51 |
| 13 | 10NF 100nF | GSG-0402 | C9, C17, C18, C20, C23, C25, C28, C31 +5 |
| 2 | 330PF 330pF | GSG-0402 | C12, C13 |
| 1 | 8P2 8p2 | GSG-0402 | C14 |
| 2 | 180PF 180pF | GSG-0402 | C15, C112 |
| 2 | 47PF 47pF | GSG-0402 | C26, C27 |
| 5 | 100PF 100pF | GSG-0402 | C41, C42, C52, C90, C160 |
| 4 | 100PF 100nF | GSG-0402 | C50, C58, C59, C62 |
| 3 | 1UF 1uF | GSG-0402 | C53, C106, C161 |
| 1 | 47PF 33pF | GSG-0402 | C67 |
| 11 | 100NF 100nF | GSG-0402 | C68, C77, C79, C81, C83, C91, C113, C119 +3 |
| 1 | 100NF 1uF | GSG-0402 | C69 |
| 1 | 47PF 100pF | GSG-0402 | C70 |
| 2 | 100NF 10nF | GSG-0402 | C71, C73 |
| 4 | 2.2UF 100nF | GSG-0402 | C72, C78, C80, C82 |
| 2 | 2.2UF 10nF | GSG-0402 | C74, C76 |
| 1 | 100NF 22pF | GSG-0402 | C75 |
| 6 | 22PF 22pF | GSG-0402 | C84, C85, C86, C94, C99, C102 |
| 1 | 22PF 100nF | GSG-0402 | C95 |
| 2 | 3PF 3pF | GSG-0402 | C104, C111 |
| 1 | 10UF 10uF | GSG-0805 | C105 |
| 1 | 3.3NF 3.3nF | GSG-0402 | C114 |
| 1 | 10NF 33pF | GSG-0402 | C115 |
| 1 | 100PF 47pF | GSG-0402 | C116 |
| 1 | 100PF DNP | GSG-0805 | C155 |
| 2 | 100nF | GSG-0402 | C166, C167 |
| 2 | DNP | GSG-0402 | C169, C170 |
| 1 | 1uF | GSG-0402 | C171 |
| 3 | 470 | GSG-0402 | R1, R2, R75 |
| 1 | 22K 22k | GSG-0402 | R3 |
| 1 | 51K 51k | GSG-0402 | R4 |
| 10 | 4K7 10k | GSG-0402 | R5, R6, R15, R16, R17, R24, R29, R41 +2 |
| 1 | 10K 470 | GSG-0402 | R7 |
| 10 | 10k | GSG-0402 | R8, R10, R11, R13, R19, R21, R32, R33 +2 |
| 2 | 18k | GSG-0402 | R9, R12 |
| 1 | 4K7 18k | GSG-0402 | R14 |
| 1 | 1k8 | GSG-0402 | R18 |
| 1 | 0 | GSG-0402 | R20 |
| 4 | 470k | GSG-0603 | R22, R23, R30, R31 |
| 2 | 475 | GSG-0402 | R25, R26 |
| 2 | 1K8 1k8 | GSG-0402 | R27, R28 |
| 1 | DNP | GSG-0805 | R35 |
| 1 | 470 1k | GSG-0402 | R73 |
| 1 | 470 1k8 | GSG-0402 | R74 |
Neapolitan design files
The KiCad project lives in the alexmfz/hackrf repository on GitHub; these links point at the commit this page was built from.
Neapolitan: common questions
How big is the Neapolitan PCB?
The Neapolitan measures 120 × 75 mm and is 1.6002 mm thick.
How many components are on the Neapolitan?
290 components, from 133 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 Neapolitan design files?
From the alexmfz/hackrf repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Neapolitan design in my own project?
Yes, under the terms of its GPL-2.0 license, which alexmfz chose for the repository.
