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BCD to DEC converter manual

This converter/decoder BCD to DEC is a simply but very powerful device. It decode from BCD data to one of eight. You can use it everywhere you have less wires than you need. You need only 4 wires and control up to 8 outputs. You can supply external relays over the BCD data wires. There is universal output driver. You can drive outputs by switching to GND or + Vcc voltage. BCD inputs include RF and high voltage protection.



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Applications
Open collector device
BCD to DEC
Schematic
PCB
Product details


Applications

Matrix table for inputs and outputs

bcd to dec converter matrix table


Connection example 1

- without external power voltage wire
- less wires
- for fat wires or smaller distance

BCD to DEC converter connection example by qro.cz hamparts.shop

Connection example 2

- with external power voltage wire
- one more wire
- BCD wires can use smaller voltage > 9 V
- for longer distance

BCD to DEC converter connection example by qro.cz hamparts.shop

Output 0 to 8

- compatible with MFJ antenna switch
- easy to set by jumper

BCD to DEC converter switch example by qro.cz hamparts.shop

Output driver

- universal outputs - switching to GND or + voltage
- easy to se by jumper
- easy to replace driver ULN (- out) / TBD (+ out)

BCD to DEC converter switch example by qro.cz hamparts.shop

Example with 6-to-1

- need four (five) wires between controller and BCD to DEC converter
- GND, (+12V) and three control wires
- output must be with TBD driver (+ out)

BCD to DEC converter with 6 to 1 antenna switch by qro.cz hamparts.shop

Example with 4-to-1

- need three (four) wires between controller and BCD to DEC converter
- GND, (+12V) and three control wires
- output must be with TBD driver (+ out)

BCD to DEC converter with 4 to 1 antenna switch by qro.cz hamparts.shop


Open collector device

- devices with the open collector (like B26-PA RF2K-S) needs external pull up resistors

Open collector device BCD control by qro.cz hamparts.shop


BCD to DEC

BCD to DEC decoder converter by qro.cz hamparts.shop


Schematic

BCD to DEC converter schematic v0.1




PCB

BCD to DEC converter pcb v0.1



Product details

Included in package

BCD assembled and tested
ULN and TBD drivers - image

PCB dimensions (mm) 90x52 mm
Weight brutto (kg) 0.07 kg

Manufacturer:

Ing. Jan Šustr
ID 05476356, VAT CZ8407024780
Palachova 1777/7, 591 01 Žďár nad Sázavou, Czech republic, Europe

General instructions:

Please also read general instructions before handling the product.

European Union Declaration of Conformity

Manufacturer Ing. Jan Šustr (QRO.cz):

ID 05476356, VAT CZ8407024780
Palachova 1777/7, 591 01 Žďár nad Sázavou, Czech republic, Europe

declares that the assembled product:

BCD TO DEC

is compatible with the relevant Union harmonisation legislation directives:
EMC Directive 2014/30/EU
ČSN EN 61000-6-3 ed. 2
ČSN EN 61000-6-1 ed. 2 (333432)

On behalf of Ing. Jan Šustr (QRO.cz)
Ing. Jan Šustr, CEO
1st January 2023

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