Circular3 HMC799

aewallin·One-Inch-Photodetector·HMC799/circular3_HMC799.kicad_pcb

Circular3 HMC799 PCB layout, top view — open source board by aewallin

About the Circular3 HMC799 PCB

Circular3 HMC799 is an open source PCB design by aewallin, published on GitHub. It is a 2-layer board measuring 25 × 25 mm, with 31 components from 17 distinct parts.

Other key parts include the LT3042xMSE, HMC799LP3E and BUF602xDBV. By type, the board carries 19 capacitors, 4 resistors, 3 ICs, 2 connectors, 2 diodes and 1 inductor.

It belongs with the audio designs in this gallery.

From the project

Photodiode transimpedance amplifier, on a one inch diameter circular PCB

NOTE: not a recommended design!! ================================

HMC799 seems difficult to work with - board showed self-oscillations and other problems..

Main components on the Circular3 HMC799

LT3042xMSEHMC799LP3EBUF602xDBV

Circular3 HMC799 bill of materials (BOM)

31 components, 17 distinct parts.

Qty	Part	Footprint	Refs
1	LT3042xMSE	MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mm	U101
1	HMC799LP3E	QFN-16-1EP_3x3mm_P0.5mm_EP1.75x1.75mm_ThermalVias9	U103
1	BUF602xDBV	SOT-23-5	U104
1	Conn_Coaxial	MMCX_Molex_73415-1471_Vertical	J101
1	Conn_01x02	PinHeader_1x02_P2.54mm_Vertical	J102
1	D	D_SOD-323F	D101
1	S5973	TO-18-3	D102
1	L	L_0805_2012Metric	L101
8	4u7	C_0603_1608Metric	C101, C102, C103, C107, C109, C110, C115, C118
1	10n	C_0603_1608Metric	C104
3	22n	C_0402_1005Metric	C105, C112, C113
1	10u	C_0603_1608Metric	C106
6	100n	C_0603_1608Metric	C108, C111, C114, C116, C117, C120
1	51k	R_0603_1608Metric	R101
1	10k	R_0603_1608Metric	R102
1	2k	R_0603_1608Metric	R103
1	49R9	R_0603_1608Metric	R106

Circular3 HMC799 design files

The KiCad project lives in the aewallin/One-Inch-Photodetector repository on GitHub; these links point at the commit this page was built from.

LayoutHMC799/circular3_HMC799.kicad_pcb

Circular3 HMC799: common questions

How big is the Circular3 HMC799 PCB?

The Circular3 HMC799 measures 25 × 25 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Circular3 HMC799?

31 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the Circular3 HMC799 design files?

From the aewallin/One-Inch-Photodetector repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Circular3 HMC799 design in my own project?

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

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