HardLabs

V4.0

tomojitakasu·PocketSDR·FE_8CH/HW/v4.0/v4.0.kicad_pcb

V4.0 PCB layout, top view — open source board by tomojitakasu

About the V4.0 PCB

V4.0 is an open source PCB design by tomojitakasu, published on GitHub under the BSD-3-Clause license. It is a 4-layer board measuring 70 × 92.8 mm, with 238 components from 39 distinct parts.

Other key parts include the MAX2771, AT24CM01-XHM, CYUSB3014-BZXC, 74AVC9112DCH and SPX3819M5-L-1-2/TR. By type, the board carries 140 capacitors, 27 resistors, 16 ICs, 16 inductors, 13 connectors and 8 fuses.

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

From the project

Pocket SDR FE 8H is an open-source GNSS SDR RF frontend device for Pocket SDR. The device consists of 8 CH Maxim MAX2771 ([1]) GNSS RF front-end ICs (LNA, mixer, filter, ADC, frequency synthesizer) and a Cypress EZ-USB FX3 USB 3.0 controller ([2], [3], [4]) to connect to host PCs

Pocket SDR FE 8H is an open-source GNSS SDR RF frontend device for Pocket SDR. The device consists of 8 CH Maxim MAX2771 ([1]) GNSS RF front-end ICs (LNA, mixer, filter, ADC, frequency synthesizer) and a Cypress EZ-USB FX3 USB 3.0 controller ([2], [3], [4]) to connect to host PCs. All the RF CHs are able to be configured for GNSS L1 band (1525 - 1610 MHz), or GNSS L2/L5/L6 band (1160 - 1290 MHz). The frequency of the reference oscillator (TCXO) is 24.000 MHz, and the ADC sampling rate can be configured up to 48 Msps.

Main components on the V4.0

MAX2771AT24CM01-XHMCYUSB3014-BZXC74AVC9112DCHSPX3819M5-L-1-2/TRSPX3819M5-L-3-3/TR74FCT3807APYGPI3USB302-AZBEX

V4.0 bill of materials (BOM)

238 components, 39 distinct parts.

QtyPartRefs
8
MAX2771
U1, U2, U3, U4, U5, U6, U7, U8
1
AT24CM01-XHM
U9
1
CYUSB3014-BZXC
U10
2
74AVC9112DCH
U11, U12
1
SPX3819M5-L-1-2/TR
U13
1
SPX3819M5-L-3-3/TR
U14
1
74FCT3807APYG
U15
1
PI3USB302-AZBEX
U16
8
SMA-ANG
J1, J2, J3, J4, J6, J7, J8, J9
2
PINH_2MM_2P
J10, J14
1
USB4080-03-A
J11
2
~
J12, J13
1
1K x 4
AR1
2
10K x 4
AR2, AR3
8
FEMTOSMDC010F-2
F1, F2, F3, F4, F5, F6, F7, F8
4
CPAD_3.2MM
PAD1, PAD2, PAD3, PAD4
1
TG2520SMN 24.0000M-MCGNNM3
TCXO1
5
~
TP1, TP2, TP3, TP4, TP5
1
CS05400-19.2M
XTAL1
4
LED1608
LED1, LED2, LED3, LED4
Show 19 more
QtyPartRefs
8
68nH
L1, L2, L3, L4, L9, L10, L11, L12
8
5.6nH
L5, L6, L7, L8, L13, L14, L15, L16
16
100pF
C1, C2, C3, C4, C33, C34, C35, C36 +8
64
0.1uF
C5, C6, C7, C8, C37, C38, C39, C40 +56
16
470pF
C9, C10, C11, C12, C17, C18, C19, C20 +8
8
1.7pF
C13, C14, C15, C16, C45, C46, C47, C48
8
750pF
C21, C22, C23, C24, C53, C54, C55, C56
8
15pF
C25, C26, C27, C28, C57, C58, C59, C60
9
0.01uF
C29, C30, C31, C32, C61, C62, C63, C64 +1
8
22uF
C67, C68, C69, C93, C94, C98, C99, C102
1
1uF
C81
2
13pF
C84, C85
8
15K
R1, R2, R3, R4, R9, R10, R11, R12
10
10K
R5, R6, R7, R8, R13, R14, R15, R16 +2
2
2.2K
R18, R19
3
100K
R20, R21, R24
1
6.04K 1%
R22
1
200 1%
R23
2
5.1K
R26, R27

V4.0 design files

The KiCad project lives in the tomojitakasu/PocketSDR repository on GitHub; these links point at the commit this page was built from.

V4.0: common questions

How big is the V4.0 PCB?

The V4.0 measures 70 × 92.8 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the V4.0?

238 components, from 39 distinct parts. The full bill of materials is listed on this page.

Where can I download the V4.0 design files?

From the tomojitakasu/PocketSDR repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the V4.0 design in my own project?

Yes, under the terms of its BSD-3-Clause license, which tomojitakasu chose for the repository.

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