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Altium DesignerAltium Designer
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ZX Nuvo +3
This is a ZX Specrum Clone base on Harlequin by Chris Smith (http://www.zxdesign.info/harlequin.shtml). PCB is the same size as original ZX Spectrum, can be fit in 48K or 48K+ case.
PCB current version is 4A, support 48K, 128K, 128K +2A/+3/+3E ROM
Support ALL RAM mode, you can run CP/M with this board when using with floppy disk interface
Floppy Disk Interface on board
Flash ROM 29F040/39SF040 (upto 8 banks of 64K, select by dip switch)
Video signal is ZX Spectrum 128K timing
AY-3-8912 sound chip
Kempston Joystick port
Header for WiFi Module
Composite amd RGB PAL output
Use standard ZX Spectrum Adapter, 9V with center pin negative (-) 
ZX Nuvo +3
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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