Gclass amplifier

nachocarballeda·gclass_amplifier·pcb/amplificador.kicad_pcb

Gclass amplifier PCB layout, top view — open source board by nachocarballeda

About the Gclass amplifier PCB

Gclass amplifier is an open source PCB design by nachocarballeda, published on GitHub. It is a 2-layer board measuring 174.8 × 124.5 mm, with 92 components from 45 distinct parts.

Other key parts include the MMPQ2222A, MMPQ2907A, LM7809CT and LM7909CT. By type, the board carries 34 resistors, 18 transistors, 8 diodes, 7 capacitors, 6 transformers and 5 jumpers.

It belongs with the audio designs in this gallery.

From the project

Diseño de un amplificador clase G para la materia Circuitos Electronicos 2. FIUBA

Main components on the Gclass amplifier

MMPQ2222AMMPQ2907ALM7809CTLM7909CT

Gclass amplifier bill of materials (BOM)

92 components, 45 distinct parts.

Qty	Part	Footprint	Refs
1	MMPQ2222A	SOIC-16	U1
1	MMPQ2907A	SOIC-16	U2
1	LM7809CT	TO-220	U3
1	LM7909CT	TO-220	U4
3	2SC3281	DT-25-B01W-03	Q1, Q4, Q11
3	MJE340	SOT126_SOT32_Housing_Vertical	Q2, Q3, Q5
3	MJE350	SOT126_SOT32_Housing_Vertical	Q6, Q8, Q17
3	2SA1302	DT-25-B01W-03	Q7, Q12, Q20
2	MPSA42	TO-92_Inline_Narrow_Oval	Q9, Q10
2	MPSA92	TO-92_Inline_Narrow_Oval	Q13, Q14
1	MJE340	Bornera_Chica	Q15
1	MJE350	Bornera_Chica	Q16
2	40p	CP5	C_comp_1, C_comp_2
1	4p	C_Rect_L7_W3.5_P5	C_comp_3
1	20n	CP5	C_mvbe_comp1
1	100n	C_Rect_L7_W3.5_P5	Czobel1
5	JUMPER	Pin_Header_Straight_1x02	JP1, JP2, JP3, JP4, JP5
1	JUMPER	Pin_Header_Straight_1x02	JPE1
1	5u	CP4	L_RL1
1	POT	Potentiometer_Bourns_3296W_3-8Zoll_Inline_ScrewUp	RV2

Show 25 more

Qty	Part	Footprint	Refs
6	TORNILLO	TORNILLO	T3, T4, T5, T6, T7, T8
2	LED	LED-5MM	D_1, D_2
1	MBR1645	Diode_DO-41_SOD81_Horizontal_RM10	D1
4	D1N4148	Diode_DO-35_SOD27_Horizontal_RM10	D2, D5, D6, D7
2	D1N746	Diode_DO-35_SOD27_Horizontal_RM10	D3, D4
1	D	Diode_DO-41_SOD81_Horizontal_RM10	D13
1	1m	C_Rect_L7_W3.5_P5	C1
1	47u	C_Rect_L7_W3.5_P5	C2
1	10n	C_Rect_L7_W3.5_P5	C3
4	220u	CP5	C4, C5, C6, C7
6	100R	Resistor_Horizontal_RM10mm	R1, R3, R5, R6, R7, R9
2	0R25	Resistor_Ceramic_Horizontal_L36mm-W11mm-H10mm-p45mm	R2, R4
2	33R	Resistor_Horizontal_RM10mm	R8, R13
1	366R	Resistor_Horizontal_RM10mm	R10
2	10k	Resistor_Horizontal_RM10mm	R11, R12
4	0R1	Resistor_Ceramic_Horizontal_L36mm-W11mm-H10mm-p45mm	R14, R15, R16, R17
2	150R	Resistor_Horizontal_RM10mm	R18, R19
2	1K	Resistor_Horizontal_RM10mm	R20, R21
1	68R	Resistor_Horizontal_RM10mm	R30
3	51R	Resistor_Horizontal_RM10mm	R31, R34, R35
2	2.4k	Resistor_Horizontal_RM10mm	RC1, RC2
2	10R	Resistor_Horizontal_RM10mm	R_RL1, Rzobel1
2	820R	Resistor_Horizontal_RM10mm	R_curr1, R_curr2
2	6.8k	Resistor_Horizontal_RM10mm	R_led1, R_led2
1	270R	Resistor_Horizontal_RM10mm	Rmvbe1

Gclass amplifier design files

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

Layoutpcb/amplificador.kicad_pcb

Gclass amplifier: common questions

How big is the Gclass amplifier PCB?

The Gclass amplifier measures 174.8 × 124.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Gclass amplifier?

92 components, from 45 distinct parts. The full bill of materials is listed on this page.

Where can I download the Gclass amplifier design files?

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

Can I use the Gclass amplifier design in my own project?

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

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