

Cat a hack
Prototyping board for PC/μC to transceiver isolation.
- Size
- 100 × 100 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 175
- Nets
- 136
- Pads
- 448
- Tracks, vias
- 784, 105
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 31 Oct 2020
- Updated
- 5 Jan 2021
Overview
Cat a hack is an open-source printed circuit board by rimio, from the rimio/cat-a-hack repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 4-layer board of 100 × 100 mm with 175 parts on 136 nets, routed with 784 tracks and 105 vias.
It is built around the MAX3387ECUG+, PQS075-S5-S5-S and FT232RL, with the L78M05CDT-TR, SN65220DBV and SN74HCT32D among its other parts. Its parts include 28 resistors, 23 capacitors, 18 connectors, 10 diodes and 8 ICs. It belongs with the radio and wireless boards of this library.
Main components
12MAX3387ECUG+
TSSOP-240℃~+70℃ 250Kbps 3 3 3V~5.5V Transceiver TSSOP-24 RS232 ICs ROHSMaxim Integrated (Analog Devices)RS232 ICsPQS075-S5-S5-S
SIP,11.6x6mmIsolated Power ModulesCUIFT232RL
SSOP-28-208mil-40℃~+85℃ 3.3V~5.25V、4V~5.25V USB 2.0 USB to UART SSOP-28-208mil USB Converters ROHSFTDIUSB ConvertersL78M05CDT-TR
TO-252-2(DPAK)0℃~+150℃ 1 2V 35V 40uV 500mA 5V 62dB@(120Hz) 6mA Fixed、Adjustable Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsSN65220DBV
SOT-23-6-40℃~+85℃ 1 1uA 35pF 6V 7V 7V IEC 61000-4-2 TVS SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSTexas InstrumentsESD And Surge Protection (TVS/ESD)SN74HCT32D
SOIC-14-40℃~+85℃ 100mV、330mV 2 27ns@5.5V,50pF 2V 2uA 3.84V、4.4V 4 4.5V~5.5V 4mA 4mA 74HCT Series 800mV OR Gate SOIC-14 Logic Gates ROHSTexas InstrumentsLogic GatesSI8663AB-B-IS1
-UncategorisedSilicon LabsVOR1121B6T
SMD-6P1.36V 12Ω 200mA 200us 250V 30us 5.3kV One set normally open: 2A (SPST - normally open) SMD-6P Solid State Relays (MOS Output) ROHSVishay IntertechnologySolid State Relays (MOS Output)BG1102W-TR
12062.1V 20mA 4.8mcd 555nm 558nm 56°、71° Emerald Green Water Clear 1206 LED Indication - Discrete ROHSSTANLEY ELECTRIC CO., LTD.LED Indication - DiscreteNFZ2MSD101SZ10L
08061 100Ω@100MHz 18mΩ 5.2A ±30% 0806 Ferrite Beads ROHSMurataFerrite BeadsSM5819PL-TP
SOD-123FL-65℃~+125℃ 1 Independent 1A 20uA@15V 30A 330mV@100mA 40V SOD-123FL Schottky Diodes ROHSMicro Commercial ComponentsSchottky DiodesT6003NLT
SMD-10PSMD-10P Audio Transformers ROHSPulse ElecAudio Transformers
README
README.mdcat-a-hack
Prototyping board for PC/μC to ham radio transceiver isolation.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Parts
175| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | 100n | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C4, C7, C8, C9, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20 |
| 12 | 270 | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R2, R3, R4, R5, R6, R7, R11, R12, R13, R14, R15, R16 |
| 12 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1, JP2, JP3, JP4, JP5, JP6, JP12, JP13, JP14, JP15, JP16, JP17 |
| 7 | 1k | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R20, R21, R22, R23, R25, R26, R27 |
| 5 | BG1102W-TR | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D1, D2, D6, D8, D10 |
| 5 | BLM31KN102SH1L | Inductor_SMD:L_1206_3216Metric_Pad1.42x1.75mm_HandSolder | FB1, FB2, FB3, FB5, FB6 |
| 4 | 27n | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C21, C22, C23, C24 |
| 4 | MountingHole | MountingHole:MountingHole_4.3mm_M4_ISO7380_Pad | H1, H2, H3, H4 |
| 4 | NFZ2MSD101SZ10L | custom:NFZ2MSD101SZ10L_0806_Handsolder | FB4, FB7, FB8, FB9 |
| 3 | 2.2k | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R24, R29, R30 |
| 3 | 4.7u | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C1, C2, C10 |
| 3 | 470 | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R1, R10, R19 |
| 3 | SM5819PL-TP | Diode_SMD:D_SOD-123F | D5, D7, D9 |
| 3 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP10, JP11, JP18 |
| 2 | 10k | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R17, R28 |
| 2 | Jack header | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J11, J12 |
| 2 | T6003NL | custom:T6003NL_HandSolder | T1, T2 |
| 1 | 10u | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C3 |
| 1 | 330n | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C5 |
| 1 | 560 | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R18 |
| 1 | 6.8u | Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L1 |
| 1 | BR1101W-TR | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D3 |
| 1 | CITA/OMTP choice | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J15 |
| 1 | FT232RL | Package_SO:SSOP-28_5.3x10.2mm_P0.65mm | U5 |
| 1 | FTDI header | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J3 |
| 1 | Jack header | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J14 |
| 1 | L/R channel choice | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J13 |
| 1 | L78M05CDT-TR | Package_TO_SOT_SMD:TO-252-2 | U2 |
| 1 | LOGO | logo:logo | G*** |
| 1 | MAX3387ECUG+ | Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm | U8 |
| 1 | PC_AUDIO_EXTRA | custom:SJ43514 | J10 |
| 1 | PC_AUDIO_IO | custom:SJ43514 | J8 |
| 1 | PC_AUDIO_OUT | custom:SJ43514 | J9 |
| 1 | PQS075-S5-S5-S | custom:SIP-4_PQS075-S5-S5-S | U1 |
| 1 | PTT choice | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | RAY1102W-745-TR | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D4 |
| 1 | SN65220 | Package_TO_SOT_SMD:SOT-23-6_Handsoldering | U3 |
| 1 | SN74HCT32D | custom:SOIC-14_P1.27mm_Handsolder | U6 |
| 1 | Si8663AB-B-IS1 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U4 |
| 1 | TRRS/TRS+TS choice | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J16 |
| 1 | USB_B | Connector_USB:USB_B_OST_USB-B1HSxx_Horizontal | J2 |
| 1 | VOR1121B6T | Package_DIP:SMDIP-6_W9.53mm_Clearance8mm | U7 |
| 1 | XCVR power choice | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | XCVR_Audio | custom:TB003-500-P06BE | J19 |
| 1 | XCVR_CAT_RS232 | custom:TB003-500-P08BE | J7 |
| 1 | XCVR_CAT_TTL | custom:TB003-500-P08BE | J5 |
| 1 | XCVR_PTT | custom:TB003-500-P02BE | J6 |
| 1 | Xcvr grounding jumpers | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J18 |
The 119 most common of 175 parts.
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Questions
How big is the Cat a hack PCB?
It measures 100 × 100 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Cat a hack use?
175 parts, built around the MAX3387ECUG+, PQS075-S5-S5-S, FT232RL and L78M05CDT-TR. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Cat a hack KiCad files?
From the rimio/cat-a-hack repository on GitHub, at the commit this page was made from: the board is kicad/catahack.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Cat a hack design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).