Jensx1000

icnagy·jensx1000

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About the Jensx1000 PCB

Jensx1000 is an open source PCB design by icnagy, published on GitHub under the CERN-OHL-S-2.0 license. It is a board, with 74 components from 49 distinct parts.

Other key parts include the 4013, 74LS221, LF353, LM301 and LM741. By type, the board carries 35 resistors, 12 capacitors, 6 ICs, 4 transistors, 2 connectors and 2 switches.

It belongs with the audio designs in this gallery.

From the project

Jen SX 1000 Clone

Jen SX-1000 Clone By Csaba Nagy, 2026 SPDX-License-Identifier: CERN-OHL-S-2.0

STATUS: UNVERIFIED These schematics and PCB layouts have been recreated from original hardware but have NOT yet been built or tested. Discrepancies found between available schematics and PCBs noted in schematic. Component values might be incorrect. Use at your own risk. Corrections and build reports welcome.

Main components on the Jensx1000

Jensx1000 bill of materials (BOM)

74 components, 49 distinct parts.

QtyPartRefs
1
4013
U10
1
74LS221
U14
1
LF353
U16
2
LM301
U21, U22
1
LM741
U26
1
PN2222A
Q5
2
BC309
Q6, Q7
1
BC239
Q8
1
Conn_01x09_Pin
J4
1
Conn_01x11_Pin
J7
1
22uF
CP27
3
10K
RT20, RT21, RT27
1
4K7
RT26
1
100K
RT28
2
10KA
RV19, RV30
2
100KA
RV22, RV29
1
100KB
RV24
1
SW_Rotary_1x3_MP
SW2
1
2P4T
SW40
2
1N4148
D9, D10
Show 29 more
QtyPartRefs
2
10uF
C4, C5
2
22pF
C24, C25
1
0.01uF
C26
1
100pF
C30
1
220pF
C31
1
330pF
C32
1
0.047pF
C33
1
0.001uF
C35
1
0.1uF
C36
1
33pF
C37
1
560R
R65
5
22K
R66, R79, R97, R98, R99
4
47K
R67, R68, R78, R80
3
100K
R69, R81, R91
1
10K
R70
1
4K7
R71
1
5K6
R72
1
4K7
R76
1
15K
R77
2
1K2
R82, R92
1
1M
R83
1
680R
R88
1
1K5
R89
2
10K
R90, R101
1
220R
R93
1
3K3
R94
6
10K
R95, R96, R100, R102, R103, R104
1
100K
R105
1
47k
R110

Jensx1000 design files

The KiCad project lives in the icnagy/jensx1000 repository on GitHub; these links point at the commit this page was built from.

Jensx1000: common questions

How many components are on the Jensx1000?

74 components, from 49 distinct parts. The full bill of materials is listed on this page.

Where can I download the Jensx1000 design files?

From the icnagy/jensx1000 repository on GitHub, which has the schematic; the links under Design files point to each one.

Can I use the Jensx1000 design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which icnagy chose for the repository.

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