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ATU 0 HW

papamidas·ATU_0_HW

ATU 0 HW PCB layout, top view — open source board by papamidas
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About the ATU 0 HW PCB

ATU 0 HW is an open source PCB design by papamidas, published on GitHub. It is a 2-layer board measuring 160 × 100 mm, with 115 components from 32 distinct parts.

Other key parts include the TPIC6C596. By type, the board carries 36 capacitors, 21 resistors, 10 test points, 10 diodes, 8 inductors and 7 connectors.

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

From the project

KICAD Design Files for a Short Wave Antenna Tuner for Radio Amateurs

- LC- or CL-type antenna tuner, software selectable - 256 capacitance values: 0..2.5 nF in steps of 10 pF - 256 inductance values - 256 inductance values: 0..15 µH in steps of 60 nH - controlled by an Arduino Nano - powered by a USB power bank - low current consumption (25..45 mA) by using bistable relays - remote control via Bluetooth - simple user interface using the Android app "serial bluetooth terminal" - 10 memory buttons for recalling setups for different frequency bands - open source hardware, open source firmware

ATU 0 HW, from the project README
From the project README

Main components on the ATU 0 HW

TPIC6C596

ATU 0 HW bill of materials (BOM)

115 components, 32 distinct parts.

QtyPartRefs
5
TPIC6C596
U2, U3, U4, U5, U6
2
Screw_Terminal_01x02
J1, J4
1
HC06_Module
J2
1
Barrel_Jack_Switch
J3
1
Conn_01x15
J5
1
Conn_02x04_Odd_Even
J6
1
Conn_01x05
J7
18
HFD2-L2
RL1, RL2, RL3, RL4, RL5, RL6, RL7, RL8 +10
10
TestPoint
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +2
10
LED
D1, D2, D11, D12, D13, D14, D15, D16 +2
1
0.06uH
L1
1
0.12uH
L2
1
0.24uH
L3
1
0.48uH
L4
1
0.96uH
L5
1
1.8uH
L6
1
3.6uH
L7
1
7.2uH
L8
1
2n2
C1
1
2n7
C2
Show 12 more
QtyPartRefs
1
1n0
C3
1
1n5
C4
8
300pF
C5, C6, C7, C8, C13, C14, C15, C16
2
560pF
C9, C11
2
680pF
C10, C12
4
150pF
C17, C18, C19, C20
4
75pF
C21, C22, C23, C24
4
39p
C25, C26, C27, C28
1
10u
C29
7
100n
C30, C31, C32, C33, C34, C35, C36
10
R
R1, R3, R12, R13, R14, R15, R16, R17 +2
11
33R
R2, R4, R5, R6, R7, R8, R9, R10 +3

ATU 0 HW design files

The KiCad project lives in the papamidas/ATU_0_HW repository on GitHub; these links point at the commit this page was built from.

ATU 0 HW: common questions

How big is the ATU 0 HW PCB?

The ATU 0 HW measures 160 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ATU 0 HW?

115 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the ATU 0 HW design files?

From the papamidas/ATU_0_HW repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ATU 0 HW design in my own project?

The repository has no license, so all rights stay with papamidas. Use it as a reference, and ask the author before reusing the design.

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