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Usb gps

oresat·oresat-gps-hardware·GPS-USB_Front_End_Board/kicad_board_design/usb_gps.kicad_pcb

Usb gps PCB layout, top view — open source board by oresat
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About the Usb gps PCB

Usb gps is an open source PCB design by oresat, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 99.1 × 53.3 mm, with 86 components from 38 distinct parts.

Other key parts include the 93LCxxB, FT2232HL-REEL, L4931 LDO, MAX8510 and MAX2771. By type, the board carries 48 capacitors, 19 resistors, 9 ICs, 4 connectors, 2 crystals and 2 diodes.

It belongs with the rf & radio designs in this gallery.

From the project

Hardware for OreSat's SDR GPS receive and other SDR GPS projects

This is the repo for our OreSat GPS Card. For software, see the oresat-gps-software repo.

A SkyTraq Orion-B16 GNSS module, a GNSS receiver module meant for university CubeSat use. An Analog Devices MAX2771 SDR GNSS receiver IC that is read by the Octavo OSD335x-SM processor's PRU and then parsed using the GNSS-SDR project software.

TRL 6-7 ish. Flown, but not yet demonstrated to work in space.

Main components on the Usb gps

93LCxxBFT2232HL-REELL4931 LDOMAX8510MAX2771SAWTEK-855969LT1719S6 -- Not Populated

Usb gps bill of materials (BOM)

86 components, 38 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
93LCxxB
U1
1
FT2232HL-REEL
U2
1
L4931 LDO
U3
2
MAX8510
U4, U5
1
MAX2771
U6
2
SAWTEK-855969
U7, U9
1
LT1719S6 -- Not Populated
U8
1
13.368MHz TCXO
X1
1
12MHz Crystal
Y1
1
Micro-USB Connector
J1
1
SMA-Cinch_142-0701-851
J3
1
CONN_02X14
P1
1
CONN_01X03
P2
1
USBLC6-2SC6
D1
1
LTST-C171KRKT
D2
1
5.6nH
L1
1
33nH
L4
3
1uF
C1, C12, C18
23
.1uF
C2, C6, C8, C9, C11, C13, C14, C15 +15
2
33pF
C3, C5
Show 18 more
QtyPartRefs
2
3.3uF
C4, C34
3
10uF
C7, C23, C36
1
10uF
C10
3
10nF
C17, C24, C26
3
100pF
C19, C31, C32
1
3300pF
C20
1
27pF
C25
3
470pF
C27, C28, C39
1
1.7pF
C29
2
4.7uF
C42, C43
5
10K
R1, R3, R4, R5, R7
1
12.0K
R2
1
2K
R6
8
0
R8, R9, R10, R14, R15, R16, R17, R18
1
200
R11
1
20K
R13
1
0
R19
1
NC
R20

Usb gps design files

The KiCad project lives in the oresat/oresat-gps-hardware repository on GitHub; these links point at the commit this page was built from.

Usb gps: common questions

How big is the Usb gps PCB?

The Usb gps measures 99.1 × 53.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Usb gps?

86 components, from 38 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 Usb gps design files?

From the oresat/oresat-gps-hardware repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Usb gps design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which oresat chose for the repository.

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