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Quasar SDR

petrinm·QuasarSDR-Hardware·sdr/QuasarSDR.kicad_pcb

Quasar SDR PCB layout, top view — open source FPGA board by petrinm
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About the Quasar SDR PCB

Quasar SDR is an open source FPGA PCB design by petrinm, published on GitHub under the CERN-OHL-W-2.0 license. It is a 6-layer board measuring 71 × 126 mm, with 395 components from 71 distinct parts.

Its main chip is the XC7A50T-1CSG325PKG, from the FPGA family. Other key parts include the AD9361, TPSM843620, TLV74318, LP5907MFX-3.3 and SN65LVDS4. By type, the board carries 207 capacitors, 102 resistors, 27 ICs, 16 inductors, 13 diodes and 12 transformers.

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

From the project

Hardware design files are disrtributed under CERN Open Hardware Licence Version 2 - Weakly Reciprocal licence.

Main components on the Quasar SDR

AD9361TPSM843620TLV74318LP5907MFX-3.3SN65LVDS4524SADCLK944XC7A50T-1CSG325PKG74AUP1G08MX25L3233FZNTLV74310TLV74312DSC557-0374AHC595TPS7A8101

Quasar SDR bill of materials (BOM)

395 components, 71 distinct parts.

QtyPartRefs
2
AD9361
U1, U23
2
TPSM843620
U2, U3
2
TLV74318
U4, U17
3
LP5907MFX-3.3
U5, U9, U20
2
SN65LVDS4
U6, U10
2
524S
U7, U11
2
ADCLK944
U8, U12
1
XC7A50T-1CSG325PKG
U13
2
74AUP1G08
U14, U15
1
MX25L3233FZN
U16
1
TLV74310
U18
1
TLV74312
U19
1
DSC557-03
U21
1
74AHC595
U22
4
TPS7A8101
U24, U25, U26, U27
8
SSM3K35AMFV
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8
1
ECS-TXO-2520MV-400-AY
Y2
8
CON-SMA-EDGE
J1, J2, J3, J4, J8, J9, J10, J11
1
Conn_01x06
J7
12
TCM1-63AX+
T1, T2, T3, T4, T5, T6, T7, T8 +4
Show 51 more
QtyPartRefs
8
LED Red
D1, D2, D3, D5, D9, D10, D12, D15
5
LED Green
D6, D8, D11, D13, D14
2
FerriteBead
FB1, FB2
2
75ohm
FB3, FB6
4
FerriteBead
FB4, FB5, FB7, FB8
8
330n HiQ
L1, L2, L3, L4, L5, L6, L7, L8
12
1n 6.3V
C1, C2, C6, C7, C32, C34, C150, C151 +4
4
10u 6.3V
C3, C8, C152, C157
16
18p HiQ
C4, C5, C9, C10, C13, C16, C19, C20 +8
23
1u 6.3V
C11, C14, C17, C21, C23, C27, C29, C30 +15
26
10n 16V
C12, C15, C18, C22, C24, C28, C31, C36 +18
4
220n HiQ
C25, C26, C174, C175
4
10u 25V
C39, C40, C47, C48
2
100n 25V
C41, C49
2
2u2 16V
C42, C50
6
10u 16V
C43, C51, C191, C196, C201, C206
6
100u 20% 6.3V
C44, C45, C46, C52, C53, C54
10
1u 16V
C55, C56, C58, C74, C90, C99, C100, C101 +2
8
100n 16V
C59, C75, C102, C104, C188, C193, C198, C203
4
1n 16V HiQ
C60, C61, C76, C77
14
220n 6.3V
C65, C67, C69, C70, C80, C81, C83, C84 +6
2
1n 16V HiQ
C68, C82
1
10n 16V
C71
1
100u 10% 25V
C85
9
100n 16V
C91, C92, C94, C95, C97, C98, C114, C115 +1
8
4u7 6.3V
C93, C96, C129, C130, C136, C137, C143, C144
1
330u 6.3V
C105
7
47u 6.3V
C106, C107, C117, C127, C128, C135, C142
3
4u7 6.3V
C108, C118, C119
21
470n 6.3V
C109, C110, C111, C112, C113, C120, C121, C122 +13
1
100u 20% 6.3V
C125
4
4u7 16V
C189, C194, C199, C204
8
470n 16V
C190, C192, C195, C197, C200, C202, C205, C207
2
14k3 1%
R1, R83
4
1R 1%
R2, R3, R84, R85
13
330R 1%
R4, R16, R47, R62, R63, R65, R66, R67 +5
10
10k 1%
R5, R6, R9, R11, R14, R60, R89, R92 +2
2
76k8 1%
R7, R12
1
8k2 1%
R8
1
62k 1%
R10
28
4k7 1%
R13, R42, R43, R44, R45, R48, R49, R50 +20
1
2k 1%
R15
2
R
R17, R18
5
0R
R19, R21, R28, R40, R41
6
33R 1%
R20, R22, R26, R32, R36, R37
3
100R 1%
R23, R35, R46
8
200R 1%
R24, R25, R29, R30, R33, R34, R38, R39
2
75R 1%
R27, R31
4
15R 1%
R55, R56, R57, R58
6
0R
R86, R87, R90, R93, R94, R97
4
6k19 1%
R88, R91, R95, R98

Quasar SDR design files

The KiCad project lives in the petrinm/QuasarSDR-Hardware repository on GitHub; these links point at the commit this page was built from.

Quasar SDR: common questions

What microcontroller does the Quasar SDR use?

The Quasar SDR is built around the XC7A50T-1CSG325PKG, from the FPGA family.

How big is the Quasar SDR PCB?

The Quasar SDR measures 71 × 126 mm, has 6 copper layers and is 1.5584 mm thick.

How many components are on the Quasar SDR?

395 components, from 71 distinct parts. The full bill of materials is listed on this page.

Where can I download the Quasar SDR design files?

From the petrinm/QuasarSDR-Hardware repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Quasar SDR design in my own project?

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

Can I test firmware for the Quasar SDR without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug FPGA firmware against it before you order a PCB.

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