258.94 €
(tax incl.)
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High Power 4-to-1 antenna switch - four outputs to one input.
BCD to DEC TTL converter
Simply but powerful converter/decoder from BCD data in TTl logic to one of eight. You can use it everywhere you have less wires than you need.
68.97 €
(tax incl.)
68.97 €
57.00 € (without tax)
57.00 € (without tax)
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This converter/decoder BCD to DEC TTL version is a simply but very powerful device. It decode from BCD data in TTL logic to one of eight. You can use it everywhere you have less wires than you need and also with BCD (TTL) output devices (like microHAM). You need only 4 wires and control up to 8 outputs. There is universal output driver. You can drive outputs by switching to GND or + Vcc voltage. BCD inputs include RF and high voltage protection.
Using
- Universal converter/decoder BCD to DEC
- Compatible with Ameritron switches
- When you miss wires to your tower :)
- Remote control expander
- Compatible with OM Power OM2000+A etc.
Main functions
- BCD to DEC matrix table
- Outputs 0 to 7 or 1 to 8 (jumper)
- Universal OUTPUT: + or GND
- BCD input HIGH with 2.6 to 9 V - designed for TTL logic
- TBD and ULN drivers are included
- RF and high voltage protections
- ASSEMBLED and TESTED VERSION
Parameters
- Output current max. 500 mA
- Voltage drop for TBD driver typ. 0.2V for +12V input and 0.6V for BCD wires power input
- Voltage drop for ULN driver typ. 0.8V for +12V input and 1.3V for BCD wires power input
- Input voltage > 13V is recommended for 12V relays
- Control voltage for BCD input is TTL (2.6 to 9 V for active HIGH)
- Low loss in switching driver
- Universal output switching: to GND or + Vcc
- Output 0 for 0000 BCD or 8 for 0001 - easy select by jumper
- Compatible with microHAM ACC
- PCB size 90x52 mm
Available as
ASSEMBLED: ready to use
RECOMMENDATIONS TO BUY:Included in package
BCD assembled and tested
ULN and TBD drivers - image
Manual
If you want to know more please check our wiki with BCD to DEC TTL converter manual.
Matrix table for inputs and outputs
 |
Connection of control cables and power supply
- with external power voltage wire
- one more wire
- BCD wires can use smaller voltage 2.6 to 9 V
- for longer distance
Output 0 to 8
- compatible with MFJ antenna switch
- easy to set by jumper
Output driver
- universal outputs - switching to GND or + voltage
- easy to set by jumper
- easy to replace driver ULN (- out) / TBD (+ out)
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)
Example with 4-to-1
- need four (three) wires between controller and BCD to DEC converter
- GND, (+12V) and three control wires
- output must be with TBD driver (+ out)
Example with microHAM devices
- need four (three) wires between controller and BCD to DEC converter
- GND, (+12V) and three control wires
- output must be with TBD driver (+ out)
Example with 6-to-2 microHAM devices
- need four (three) wires between controller and BCD to DEC converter
- GND, (+12V) and three control wires
- output must be with TBD driver (+ out)
This is a specially designed board to protect up to 8 DC control wires. The connection between the control box and the equipment outside (on the mast) can be dangerous - due to storms a potential difference can easily occur or voltage can be induced on the control wires. This phenomenon is dangerous and it is necessary to safely discharge this voltage to a common earth potential.
Data sheet
- type
- ASSEMBLED
- design
- pcb module
- usage
- RX + TX
- front-end protection
- input and output
- PCB dimensions
- 90x52 mm
- product weight (brutto)
- 0.07 kg
- package dimensions
- 12x10.5x4.5 cm
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