Parvus Power Amplifier

nradulovic·hw_parvus·parvus_amp/parvus_amp.kicad_pcb

Parvus Power Amplifier PCB layout, top view — open source board by nradulovic

About the Parvus Power Amplifier PCB

Parvus Power Amplifier is an open source PCB design by nradulovic, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 70 × 66 mm, with 43 components from 30 distinct parts.

Other key parts include the TDA7293. By type, the board carries 16 capacitors, 14 resistors, 5 connectors, 5 diodes, 1 IC and 1 transistor.

It belongs with the audio designs in this gallery.

From the project

TDA7293 based audio power amplifier

.. contents:: Table of Contents :depth: 3

This document shall describe rationales used to design and build audio power amplifier using TDA7293 integrated circuit.

The amplifier architecture consists of the following sections:

The amplifier consists of the following section: - Amplifier (AMP) board (left and right channels) - Input/output filtering and Interface (IOI) board - Power supply and control (PSC) board

Main components on the Parvus Power Amplifier

Parvus Power Amplifier bill of materials (BOM)

43 components, 30 distinct parts.

Qty	Part	Footprint	Refs
1	TDA7293	TO-220-15_P2.54x2.54mm_StaggerOdd_Lead4.58mm_Vertical	U1
1	BC556B	TO-92L_Inline_Wide	Q1
1	sgi	PhoenixContact_MCV_1,5_3-G-3.5_1x03_P3.50mm_Vertical	J1
1	psi	PhoenixContact_MCV_1,5_3-G-3.81_1x03_P3.81mm_Vertical	J2
1	spo	PhoenixContact_MCV_1,5_2-G-3.81_1x02_P3.81mm_Vertical	J3
1	cms_override	PinHeader_1x03_P2.54mm_Vertical	J4
1	cms	Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical	J5
2	1N5404	D_DO-201AD_P12.70mm_Horizontal	D1, D2
2	1N4148	D_DO-35_SOD27_P7.62mm_Horizontal	D3, D4
1	1N5246B	D_DO-35_SOD27_P7.62mm_Horizontal	D5
1	4u	L_Axial_L20.3mm_D12.7mm_P7.62mm_Vertical_Vishay_IHA-201	L1
2	2m2	CP_Radial_D16.0mm_P7.50mm	C1, C2
2	220p	C_Disc_D3.8mm_W2.6mm_P2.50mm	C3, C4
2	220n	C_Rect_L4.6mm_W3.0mm_P2.50mm_MKS02_FKP02	C5, C6
1	22u	CP_Radial_D5.0mm_P2.00mm	C7
1	470u	CP_Radial_D8.0mm_P3.50mm	C8
2	22n	C_Rect_L4.6mm_W3.0mm_P2.50mm_MKS02_FKP02	C9, C10
1	3p3	C_Disc_D3.8mm_W2.6mm_P2.50mm	C11
1	47u	CP_Radial_D6.3mm_P2.50mm	C12
2	10u	CP_Radial_D5.0mm_P2.00mm	C13, C15

Show 10 more

Qty	Part	Footprint	Refs
1	100n	C_Rect_L4.6mm_W3.0mm_P2.50mm_MKS02_FKP02	C14
1	100n	C_Disc_D5.1mm_W3.2mm_P5.00mm	C16
3	12k	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R1, R5, R7
2	10	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R2, R11
2	100	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R3, R4
1	499	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R6
2	3.9	R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R8, R10
2	10k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R9, R14
1	30k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R12
1	20k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R13

Parvus Power Amplifier design files

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

Layoutparvus_amp/parvus_amp.kicad_pcb

Parvus Power Amplifier: common questions

How big is the Parvus Power Amplifier PCB?

The Parvus Power Amplifier measures 70 × 66 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Parvus Power Amplifier?

43 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the Parvus Power Amplifier design files?

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

Can I use the Parvus Power Amplifier design in my own project?

Yes, under the terms of its GPL-3.0 license, which nradulovic chose for the repository.

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