

La3600 equalizer amp
- Size
- 90.9 × 174.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 74
- Nets
- 65
- Pads
- 209
- Tracks, vias
- 683, 78
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 20 Aug 2018
- Updated
- 24 Jan 2019
Overview
La3600 equalizer amp is an open-source printed circuit board by jovan3, from the jovan3/la3600_equalizer_amp repository on GitHub. It is a 2-layer board of 90.9 × 174.8 mm with 74 parts on 65 nets, routed with 683 tracks and 78 vias.
It is built around the NE5532, BD139 and BD140. Its parts include 34 capacitors, 4 diodes, 4 transistors, 3 ICs and 3 connectors. It belongs with the audio and music boards of this library.
Main components
3NE5532
SOP-8-22V~22V 0℃~+70℃ 100dB 10nA 14mA 2 40V/us 42mA 4mV 800nA 8nV/√Hz@30Hz Built-in compensation SOP-8 Operational Amplifier ROHSSungineOperational AmplifierBD139
TO-126-65℃~+150℃ 1 NPN 1.5A 10uA 12.5W 500mV 5V 63 80V NPN TO-126 Bipolar (BJT) ROHSSTMicroelectronicsBipolar (BJT)BD140
TO-126-65℃~+150℃ 1 PNP 1.25W 1.5A 100nA 500mV 5V 63 80V PNP TO-126 Bipolar (BJT) ROHSSTMicroelectronicsBipolar (BJT)
Parts
74| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100nF | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C5, C8, C13, C16, C33, C34 |
| 6 | 1uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C2, C3, C4, C12, C30, C31 |
| 6 | 22K | Potentiometer_THT:Potentiometer_Alps_RK163_Dual_Horizontal | 22K1, 22K2, 22K3, 22K4, 22K5, 22K6 |
| 6 | 4.7K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | 4.7K1, 4.7K2, 4.7K3, 4.7K4, R1, R2 |
| 4 | 100uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C1, C20, C22, C32 |
| 4 | 10R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | 10R1, 10R2, 10R3, 10R4 |
| 4 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4 |
| 4 | 1nF | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C11, C19, C26, C29 |
| 4 | 68nF | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C6, C9, C14, C17 |
| 2 | 10K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R4 |
| 2 | 10uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | 10uF1, 10uF2 |
| 2 | 1K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | 1K1, 1K2 |
| 2 | 22nF | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C7, C15 |
| 2 | 22uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C24, C28 |
| 2 | 4.7nF | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C10, C18 |
| 2 | 6.8nF | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C23, C27 |
| 2 | 680pF | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C21, C25 |
| 2 | BD139 | Package_TO_SOT_THT:TO-126-3_Vertical | Q1, Q3 |
| 2 | BD140 | Package_TO_SOT_THT:TO-126-3_Vertical | Q2, Q4 |
| 2 | JACK_TRS_3PINS | lm386_headphones_amplifier:3.5mm_stereo_TRS_jack | J1, J2 |
| 2 | LA3600 | Package_DIP:DIP-16_W7.62mm_Socket | U1, U2 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | NE5532 | Package_DIP:DIP-8_W7.62mm_Socket | U3 |
The 70 most common of 74 parts.
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Questions
How big is the La3600 equalizer amp PCB?
It measures 90.9 × 174.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the La3600 equalizer amp use?
74 parts, built around the NE5532, BD139 and BD140. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the La3600 equalizer amp KiCad files?
From the jovan3/la3600_equalizer_amp repository on GitHub, at the commit this page was made from: the board is la3600_equalizer_amp.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the La3600 equalizer amp design in my own project?
Its repository states no licence, so its author keeps all rights: ask jovan3 before reusing the design.