
Polykit x voice card
polykit/polykit-x-voice-card
Schematics and PCB layout for a voice card with multimode filter for a polyphonic synthesizer

The CD4051BE is an analog Switches, Multiplexer made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 125Ω 20MHz 3V~20V 450ns 8 8:1 PDIP-16 Analog Switches, Multiplexers ROHS.
PCBKit's library has its KiCad symbol (4xxx:4051, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. 416 are in stock at JLCPCB (part C5200). 78 open-source boards in 70 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | X4 | Passive |
| 2 | X6 | Passive |
| 3 | X | Passive |
| 4 | X7 | Passive |
| 5 | X5 | Passive |
| 6 | Inh | Input |
| 7 | VEE | Power in |
| 8 | VSS | Power in |
| 9 | C | Input |
| 10 | B | Input |
| 11 | A | Input |
| 12 | X3 | Passive |
| 13 | X0 | Passive |
| 14 | X1 | Passive |
| 15 | X2 | Passive |
| 16 | VDD | Power in |

polykit/polykit-x-voice-card
Schematics and PCB layout for a voice card with multimode filter for a polyphonic synthesizer


polykit/polykit-x-mainboard
Schematics and PCB layout for a mainboard for an 8 voice polyphonic synthesizer



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<iframe src="https://pcbkit.io/embed/parts/ti/CD4051BE" title="CD4051BE in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/CD4051BE.jpg" alt="CD4051BE" width="1200" height="900">[](https://pcbkit.io/parts/ti/CD4051BE)Yes. The symbol is 4xxx:4051 and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C5200, with 416 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD74HC4051E by Texas Instruments, the CD4052BE by HGSEMI, the CD4052BE by Texas Instruments and the CD4053BE by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
78 boards in 70 repositories on GitHub; the most starred are listed on this page, with their KiCad files.