Neapolitan
About the Neapolitan PCB
Neapolitan is an open source PCB design by greearb, published on GitHub under the GPL-2.0 license. It is a board measuring 120 × 75 mm, with 290 components from 111 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
CT instance of hackrf
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, 111 distinct parts.
| 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 | TCA6424A | QFN32-5 | U15 |
| 1 | TCR2EF | SOT25 | U16 |
| 1 | MAX2837 | GSG-QFN48-6 | U17 |
| 1 | 74LVC1G14 | SOT353-1 | U18 |
| 1 | SI5351C | GSG-QFN20-4 | U19 |
| 1 | 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 | RF-SHIELD-FRAME | GSG-SHIELD-BMI-S-230 | J2 |
| 1 | RF-SHIELD-COVER | GSG-NULL-MODULE | J3 |
Show 91 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 | !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 | GPO2 | GSG-TESTPOINT-50MIL | P7 |
| 1 | BASEBAND | GSG-HEADER-2x8 | P9 |
| 1 | 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 | MIXER_SDATA | GSG-TESTPOINT-50MIL | P27 |
| 1 | SD | GSG-HEADER-2x11 | P28 |
| 1 | MIXER_SCLK | GSG-TESTPOINT-50MIL | P31 |
| 1 | MIXER_ENX | GSG-TESTPOINT-50MIL | P32 |
| 1 | MIXER_RESETX | GSG-TESTPOINT-50MIL | P33 |
| 1 | MIX_BYPASS | GSG-TESTPOINT-50MIL | P34 |
| 1 | !MIX_BYPASS | GSG-TESTPOINT-50MIL | P35 |
| 1 | VAA | GSG-HEADER-1x2 | P36 |
| 1 | SSP0_SCK | GSG-TESTPOINT-50MIL | P39 |
| 1 | SSP0_MOSI | GSG-TESTPOINT-50MIL | P40 |
| 1 | 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 | VAALED | LTST-S220 | D2 |
| 1 | BARREL_DIODE | SOD128 | D4 |
| 1 | RXLED | LTST-S220 | D5 |
| 1 | TXLED | LTST-S220 | D6 |
| 1 | VCCLED | LTST-S220 | D7 |
| 1 | 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 |
| 10 | 10uH | GSG-0603 | L2, L3, L5, L10, L11, L12, L13, L14 +2 |
| 1 | 6.2nH | GSG-0402 | L7 |
| 32 | 33pF | GSG-0402 | C1, C3, C5, C7, C10, C11, C16, C19 +24 |
| 14 | 10nF | GSG-0402 | C2, C4, C6, C71, C73, C74, C76, C87 +6 |
| 13 | 22pF | GSG-0402 | C8, C21, C32, C43, C48, C51, C75, C84 +5 |
| 35 | 100nF | GSG-0402 | C9, C17, C18, C20, C23, C25, C28, C31 +27 |
| 2 | 330pF | GSG-0402 | C12, C13 |
| 1 | 8p2 | GSG-0402 | C14 |
| 2 | 180pF | GSG-0402 | C15, C112 |
| 3 | 47pF | GSG-0402 | C26, C27, C116 |
| 6 | 100pF | GSG-0402 | C41, C42, C52, C70, C90, C160 |
| 5 | 1uF | GSG-0402 | C53, C69, C106, C161, C171 |
| 2 | 3pF | GSG-0402 | C104, C111 |
| 1 | 10uF | GSG-0805 | C105 |
| 1 | 3.3nF | GSG-0402 | C114 |
| 1 | DNP | GSG-0805 | C155 |
| 2 | DNP | GSG-0402 | C169, C170 |
| 4 | 470 | GSG-0402 | R1, R2, R7, R75 |
| 1 | 22k | GSG-0402 | R3 |
| 1 | 51k | GSG-0402 | R4 |
| 20 | 10k | GSG-0402 | R5, R6, R8, R10, R11, R13, R15, R16 +12 |
| 3 | 18k | GSG-0402 | R9, R12, R14 |
| 4 | 1k8 | GSG-0402 | R18, R27, R28, R74 |
| 1 | 0 | GSG-0402 | R20 |
| 4 | 470k | GSG-0603 | R22, R23, R30, R31 |
| 2 | 475 | GSG-0402 | R25, R26 |
| 1 | DNP | GSG-0805 | R35 |
| 1 | 1k | GSG-0402 | R73 |
Neapolitan design files
The KiCad project lives in the greearb/hackrf-ct 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 111 distinct parts. The full bill of materials is listed on this page.
Where can I download the Neapolitan design files?
From the greearb/hackrf-ct repository on GitHub, which has the KiCad layout; 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 greearb chose for the repository.
