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Std Edition100v DC Booster for Tubes - UC3843B

Profile:UC3843B 100v DC Booster Circuit for Valve Tube Amplifier

License: GPL 3.0

Published Time:2020-08-14 06:00:53
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Description

UC3843B 12v to 100v DC Booster for Tube\Valve amplifiers. Consider changing the Schottky diode to a higher rated voltage version. Oscillator is running at 75KHz.

Output voltage can be increased by changing a single resistor (see note in schematic), this board can be used with nixie tubes. Oscillation frequency can be changed with timing resistor/capacitor change.

Video of it in action here: https://youtu.be/WjKtIpr8MAg

Blog: https://ratti3.blogspot.com/2020/12/designing-and-building-dc-to-dc-high.html

Files: https://github.com/Ratti3/UC3843B-100v-Booster

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100v Booster

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100v Booster

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ID Name Designator Footprint Quantity BOM_Supplier BOM_Supplier Part
1 56K R12 R0805 1 LCSC C137509
2 100nF C4 C0805 1 LCSC C342919
3 2.2 R8,R7,R5,R6 R1206 4 LCSC C137327
4 4.7nF C2 C0805 1 LCSC C193083
5 15uF E2,E1 CAP-TH_BD8.0-P3.50-D1.0-FD 2 LCSC C443246
6 2.2K R10 R0805 1 LCSC C114561
7 470uF E3 CAP-TH_BD10.0-P5.00-D1.0-FD 1 LCSC C136284
8 220uH L1 IND-SMD_L7.3-W7.3 1 LCSC C241217
9 SR1200 D1 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 1 LCSC C65041
10 100pF C3 C0805 1 LCSC C508866
11 1 R1,R2 R1206 2 LCSC C137355
12 HDR-M-2.54_1x2 12V_IN,HV_OUT HDR-M-2.54_1X2 2 LCSC C124375
13 UC3843BVD1R2G U1 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1 LCSC C231572
14 22 R4 R0805 1 LCSC C107702
15 470pF C1 C0805 1 LCSC C28256
16 FQD2N60CTM Q1 PG-TO252-3_L6.3-W6.5-P4.57-LS10.0-BR-CW 1 LCSC C5386
17 1K R9 R0805 1 LCSC C95781
18 84.5K R3 R0805 1 LCSC C229022
19 5.1K R13 R0805 1 LCSC C84375

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