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STD MuonPi Detector HAT v3

MuonPi Detector HAT v3

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CC-BY-SA 3.0

License: CC-BY-SA 3.0

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Cloned from cosmic shower detector v2

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Update time: 2024-05-17 15:21:04
Creation time: 2019-12-07 20:20:22
Description

Description

# Overview # The [MuonPi Project](http://muonpi.org) utilizes an inexpensive Raspberry Pi B+ plug-on module for particle and nuclear physics detectors aimed for measuring muons from atmospheric showers triggered by high energetic cosmic particles. The goal is to set up a distributed network of these detector stations in order to determine the energy, timing, and eventually the origin of the primary particles. To do so, the detected events are timestamped utilizing an on-board GNSS receiver with a precision in the nanosecond range to search for off-line event coincidences between other detectors in the network. The circuit comprises two inputs for typical input signals (PMTs, SiPMs etc.) with positive or negative pulses of up to few hundreds of mV amplitude and several tens of nanoseconds length. Each channel exhibits switchable inverters, adjustable threshold discriminators (TLV3502 followed by 74LV221 monostable gate) for fast timing and the option for amplitude processing by plugging in a piggy-back peak-detector module (channel 1 only) for amplitude measurement with the on-board slow sampling ADC ADS1015/1115. Timestamping of the single channels or a logic coincidence thereof (XOR or AND) is achieved with the interrupt input of a U-Blox NEO-M8N GNSS module with few tens of nanoseconds precision. This version of the circuit utilizes two options for bias voltage generation: a cheap commercial DC/DC upconverter (XL6009) as plug-in module (available eg. from eBay) or mounting of the components foreseen for an adjustable on-board DC/DC converter around an LM2733. # Status # - July 2020: V3.0 design is complete. Design review in progress. PCBs ordered at JLCPCB - August 2020: PCB mounted and tested. Following issues found: a) shtdown pin (pin 4) of U502 connected to GND in design. Bend up this pin and connect to VIN (pin 5) b) transmission line for signal EVT_XOR runs unshielded underneath the comparator U2. This causes cross-talk from ch2 to ch1, when two channels are used. Disconnect pin 5 of U301 from PCB (bend up) in this case. Single-channel-only configuration should work fine on ch1, no workaround is needed in this case. - Design update in progress for V3.1 (master branch, not finalized yet): swapped inner VCC and GND layers from layers 3 and 4 to 2 and 5 respectively. This assures proper shielding between signal layers (top, inner 3, inner 4, bottom) and should prevent the aggressive cross talk observed in V3.0. Moved misplaced L501 to correct position behind the smoothing capacitor C501. Added large inductor for supply of DC/DC plug-on module in schematic. This should be mounted, when the plug-on voltage module is employed in order to limit the inrush current. Added bypass zero-ohms from input A to output of U102 and U202. These should be mounted only when the polarity switches are omitted. - Sept/Oct 2020: Design of V3.1 was finalized and PCBs ordered at JLCPCB. Tests revealed, that all bugfixes and improvements (see above) were successfull. - Nov 2021 Design of V3.2 released and ordered. This updated design has modified u.Fl/SMA connector pads such that the u.Fl receptacles should fit much better now. Furthermore, a fast ADC (MAX11105) was implemented for amplitude measurement after the peak detector output in case a peak detector plug-on module is utilized # Gallery # 3d view of the MuonPi Raspberry HAT: ![muonpi_pcb_v3_3d_9.png](//image.easyeda.com/pullimage/Qb7NyC8Fq8Aig0sHgT0hH2rosYNoO9vtEe5O4oqW.png) ![muonpi_pcb_v3_3d_8.png](//image.easyeda.com/pullimage/m1S75XiSEZWp7BOp1X2fWu0WAyFMvVR8XquCdJVK.png) ![pcbv3_1.jpg](//image.easyeda.com/pullimage/17K0CHwY9KT7gO711cYFWu1gLp82mt4iKs7U6fu9.jpeg) ![pcbv3_2.jpg](//image.easyeda.com/pullimage/GY8TL5qBm097QawbpJ4OhYxipubaxzNegfDXXFn1.jpeg) ![IMG_20200903_143647.jpg](//image.easyeda.com/pullimage/PvvHFSyROTVNJ9fjIJLY3LhtO6OqEqOodnuqVqRA.jpeg)
Design Drawing

Design Drawing

schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 100n C100,C102,C110,C112,C200,C202,C210,C212,C304,C305,C551,C552,C554,C561,C562,C563,C564,C565,C566,C567,C569,C570,C571,C572,C573 0805 25
2 220p C101,C104,C201,C204 0805 4
3 2.2p C103,C105,C203,C205 0805 4
4 10n C111,C211,C600,C601 0805 4
5 1uH L100,L200,L501 0805 3
6 51 R100,R200,R306,R307,R308,R309,R310,R311,R312,R705,R706 0805 11
7 1k R102,R104,R202,R204,R300,R301,R302,R303,R401,R405,R406,R408,R409,R601,R602 0805 15
8 2.7k R103,R105,R203,R205 0805 4
9 27 R106,R206 0805 2
10 10k R112,R113,R212,R213,R413,R418,R419,R504,R509,R512,R513,R514,R516,R600 0805 14
11 100 R114,R214 0805 2
12 LMH6550MAX/NOPB U100,U200 SOIC-8_150MIL 2
13 SN74LVC1G3157DBVR U102,U202 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL 2
14 IN1 X1 SMA_EDGE_UFL-03 1
15 TLV3502AID U2 SOIC8 1
16 IN2 X2 SMA_EDGE_UFL-03 1
17 TLV3502 U2 SOIC8 1
18 33p C300,C301 0805 2
19 1n C302,C303,C503,C504 0805 4
20 470k R304,R305 0805 2
21 74LVC1G86DBV U303 SOT23-5L 1
22 74LVC1G02DBV U304 SOT23-5L 1
23 74AC151M U305 SOIC16N 1
24 SN74LV221AD U300,U301,U306 SOIC-16_150MIL 3
25 RASPBERRYPI-B+-GPIO JP400 2X20 1
26 +5V LED401 LED-0805 1
27 VCC LED402 LED-0805 1
28 Ch1 LED403 LED-0805 1
29 Ch2 LED404 LED-0805 1
30 St1 LED405 LED-0805 1
31 St2 LED406 LED-0805 1
32 BiasEn LED408 LED-0805 1
33 TimeP LED409 LED-0805 1
34 1k5 R400 0805 1
35 680 R403,R404 0805 2
36 4k7 R410,R411,R416,R503 0805 4
37 3k9 R414,R415 0805 2
38 0R R420,R517 0805 2
39 24AA02UIDT-IOT U400 SOT23-5 1
40 ADS1015IDGSR U401 MSOP10 1
41 MCP4728-EUN U402 MSOP10 1
42 LM75BIM-3 U403 SOIC8 1
43 PCA9536D U404 SOIC-8 1
44 CAT24C32WI-GT3 U405 SOIC-8_150MIL 1
45 4u7/50V X7R C501,C550,C560 1206 3
46 150p C505 0805 1
47 10n/50V C520 0805 1
48 1u C553,C568 0805 2
49 MBRA160T3G D500 SMA(DO-214AC) 1
50 BAT54 KL1 D501,D502 SOT-23(SOT-23-3) 2
51 10uH L500 1812 1
52 2N7002 Q501 SOT-23(SOT-23-3) 1
53 220k R500 0805 1
54 13k R501 0805 1
55 22k R502 0805 1
56 10M R505,R507 0805 2
57 1M R506,R508 0805 2
58 LM2733YMF U502 SOT23-5 1
59 TPS22944DCKR U503,U504 SOT353 2
60 BIAS1 X5 SMA_EDGE_UFL-03 1
61 BIAS2 X6 SMA_EDGE_UFL-03 1
62 MCP6L02T-ESN U501 SOIC8 1
63 Energy-Processor JP600A HDR-F-2.54_1X3 1
64 Energy-Processor JP600B HDR-F-2.54_1X5 1
65 MAX11105 U601 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL 1
66 27n L700 0805 1
67 10 R700 0805 1
68 120 R702,R703 0805 2
69 UBLOX_NEO-6_UBLOX_NEO-6P U700 UBLOX_NEO-6P 1
70 GNSS Ant X7 SMA_EDGE_UFL-03 1

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