Random Jazz Generator

telec16·modular-synth·RJG/Random Jazz Generator.kicad_pcb

Random Jazz Generator PCB layout, top view — open source board by telec16

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About the Random Jazz Generator PCB

Random Jazz Generator is an open source PCB design by telec16, published on GitHub. It is a 2-layer board measuring 167.8 × 200.6 mm, with 126 components from 45 distinct parts.

Other key parts include the L7805, 74HCT4520, TL082, 74HCT04 and 74ACHT595. By type, the board carries 40 resistors, 26 capacitors, 18 diodes, 15 ICs, 9 connectors and 6 transistors.

It belongs with the audio designs in this gallery.

From the project

~~Little side project, don't expect much updates.~~

~~Little side project, don't expect much updates.~~

VCO - 3340 - Schmitt inverter - Opamp V1 - Opamp V2 LFO - Hex Inverter Sequencer - µC - random jazz generator Random generator - zener - µC ADSR - Opamp VCA - LM13700 - Vactrol Quantizer (CV correction) - µC VCF - ? Drum kit - ??? Frequency multiplier/divider - CD4046 PLL V1 - CD4046 PLL V2 Wavefolder - Bipolar - Opamp CV Glider - RC circuit * Scope - µC

Main components on the Random Jazz Generator

L7805 74HCT4520 TL082 74HCT04 74ACHT595 74HCT4051 74HCT40105 74HCT157 74HCT74 74HCT85 SST39SF010 74HCT173

Random Jazz Generator bill of materials (BOM)

126 components, 45 distinct parts.

Qty	Part	Footprint	Refs
1	L7805	TO-220-3_Horizontal_TabDown	U101
2	74HCT4520	DIP-16_W7.62mm_LongPads	U102, U401
1	TL082	DIP-8_W7.62mm_LongPads	U103
1	74HCT04	DIP-14_W7.62mm_LongPads	U201
1	74ACHT595	DIP-16_W7.62mm_LongPads	U202
1	74HCT4051	DIP-16_W7.62mm_LongPads	U301
1	74HCT40105	DIP-16_W7.62mm_LongPads	U302
3	74HCT157	DIP-16_W7.62mm_LongPads	U303, U304, U404
1	74HCT74	DIP-14_W7.62mm_LongPads	U402
1	74HCT85	DIP-16_W7.62mm_LongPads	U403
1	SST39SF010	PLCC-32_THT-Socket	U405
1	74HCT173	DIP-16_W7.62mm_LongPads	U406
1	BC557	TO-92_Inline_Wide	Q101
5	BC547	TO-92_Inline_Wide	Q102, Q201, Q202, Q401, Q402
1	EuroPower	EuroPower	J101
1	CV	JackHole	J102
1	RND	JackHole	J103
1	Gate	JackHole	J104
1	Trig1	JackHole	J105
1	Trig2	JackHole	J106

Show 25 more

Qty	Part	Footprint	Refs
1	Clock	JackHole	J107
1	Trig3	JackHole	J108
1	Trig4	JackHole	J109
8	100k	Potentiometer_Alps_RK09K_Single_Vertical	RV301, RV302, RV303, RV304, RV305, RV306, RV307, RV308
1	Reset	SW_PUSH_6mm	SW101
2	Reload	SW_PUSH_6mm	SW301, SW402
1	Duration Length	PinHeader_1x03_P2.54mm_Vertical	SW401
11	LED	LED_1206_3216Metric_ReverseMount_Hole1.8x2.4mm	D101, D301, D302, D303, D304, D305, D403, D501 +3
4	LED	LED_1206_3216Metric_Castellated	D102, D103, D104, D105
3	1N4148	D_DO-35_SOD27_P7.62mm_Horizontal	D106, D401, D402
1	10u	CP_Radial_D8.0mm_P3.80mm	C101
1	1u	CP_Radial_D8.0mm_P3.80mm	C102
18	100n	C_Disc_D7.0mm_W2.5mm_P5.00mm	C103, C104, C106, C107, C201, C202, C203, C204 +10
5	10n	C_Disc_D7.0mm_W2.5mm_P5.00mm	C105, C501, C502, C503, C504
1	220n	C_Disc_D7.0mm_W2.5mm_P5.00mm	C205
15	1k	R_1206_3216Metric_Pad1.42x1.75mm_HandSolder	R101, R102, R103, R104, R113, R302, R303, R304 +7
3	1k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R105, R106, R107
4	10k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R108, R109, R111, R112
8	100k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R110, R301, R404, R408, R501, R502, R503, R504
2	2k7	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R201, R202
1	15k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R203
1	68k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R204
1	33k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R205
2	100k	R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical	R401, R403
3	10k	R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical	R402, R405, R407

Random Jazz Generator design files

The KiCad project lives in the telec16/modular-synth repository on GitHub; these links point at the commit this page was built from.

LayoutRJG/Random Jazz Generator.kicad_pcb

Random Jazz Generator: common questions

How big is the Random Jazz Generator PCB?

The Random Jazz Generator measures 167.8 × 200.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Random Jazz Generator?

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

Where can I download the Random Jazz Generator design files?

From the telec16/modular-synth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Random Jazz Generator design in my own project?

The repository has no license, so all rights stay with telec16. Use it as a reference, and ask the author before reusing the design.

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