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GNSS Firehose

pmonta·GNSS_Firehose·kicad/GNSS_Firehose.kicad_pcb

Top view of the GNSS Firehose PCB
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GNSS Firehose is an open source PCB design by pmonta: a 4-layer, 117.9 × 99.1 mm board with 457 components (80 distinct parts). It is built around the MAX2112, MAX19505, MGA-68563, AT25DF041A and more. Filed under rf & radio.

Wideband front-end digitizer for GPS, GLONASS, Galileo, BeiDou

Design files for a wideband GNSS front-end board. Digitizes three 50 MHz RF channels, emits 2-bit samples to gigabit Ethernet (~800 Mbit/s total payload). Includes schematic, PCB layout, HDL, and software. Open-source licensing.

Built around

MAX2112MAX19505MGA-68563AT25DF041AXC6SLX9-2TQG144CLMK03806LTC3633KSZ9031RNXCDCLVC1102MIC2090-1YM5

Parts list

457 components, 80 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
MAX2112
U1, U4, U7
4
MAX19505
U2, U5, U8, U10
3
MGA-68563
U3, U6, U9
1
AT25DF041A
U11
1
XC6SLX9-2TQG144C
U12
1
LMK03806
U15
1
LTC3633
U17
1
KSZ9031RNX
U18
1
CDCLVC1102
U19
3
MIC2090-1YM5
U20, U21, U22
1
Si2369DS
Q1
1
25 MHz
Y1
5
SMA
J1, J2, J3, J4, J5
1
HEADER_14
J6
1
L829-1J1T-43
J7
1
PJ-063BH
J8
1
HEADER_16
J10
4
mounting_hole
MH1, MH2, MH3, MH4
1
TCXO
OSC1
8
shield_clip
SC1, SC2, SC3, SC4, SC5, SC6, SC7, SC8
Show 60 more
QtyPartRefs
28
test_point
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +20
1
SMAJ9.0CA
Z1
1
LED
LED1
3
LED
LED2, LED3, LED4
9
240
FB1, FB2, FB3, FB11, FB12, FB13, FB14, FB15 +1
8
240
FB4, FB5, FB6, FB7, FB8, FB9, FB10, FB17
3
6 nH
L2, L4, L6
6
47 nH
L3, L5, L7, L12, L13, L14
1
0.47 uF
L10
1
1 uH
L11
3
56 nH
L15, L17, L19
2
0
L20, L21
18
47 nF
C1, C10, C11, C12, C13, C14, C67, C73 +10
3
10 nF
C5, C68, C103
18
100 pF
C6, C7, C8, C9, C17, C27, C69, C70 +10
3
2.2 nF
C15, C78, C113
3
33 nF
C16, C79, C114
119
0.1 uF
C18, C19, C28, C29, C30, C31, C32, C33 +111
27
1000 pF
C20, C21, C22, C23, C24, C25, C26, C83 +19
13
10 uF
C53, C142, C148, C154, C158, C162, C166, C193 +5
2
33 pF
C176, C177
2
47 uF 20V
C194, C198
1
2.2 uF
C195
1
47 uF
C196
2
0.1 uF 25V
C197, C199
1
22 uF
C200
2
NONE
C213, C237
1
220 pF
C214
1
18 nF
C215
7
10 pF
C231, C232, C233, C234, C235, C236, C255
4
NONE
C238, C239, C240, C241
3
86.6
R1, R17, R25
3
5.1k
R2, R18, R26
3
43.2
R3, R19, R27
4
820
R4, R20, R28, R88
3
390
R5, R21, R29
24
10k
R6, R22, R30, R46, R72, R73, R76, R77 +16
6
80
R7, R11, R13, R15, R23, R31
1
150
R9
3
220
R10, R51, R52
2
49.9
R33, R37
2
60.4
R34, R35
1
249
R36
4
47
R38, R39, R43, R48
16
1k
R40, R41, R86, R106, R109, R110, R113, R118 +8
4
0
R42, R131, R135, R136
3
4.7k
R44, R47, R107
5
330
R45, R49, R50, R75, R85
1
54.9k
R70
1
12.1k
R71
1
162k
R74
2
0
R87, R143
1
12.1k 1%
R95
1
470
R96
6
0
R98, R99, R126, R127, R128, R132
6
33
R100, R101, R102, R103, R104, R105
11
NONE
R108, R111, R112, R114, R115, R120, R121, R122 +3
1
10
R133
1
10
R144
1
0
R145

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