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4-way switch for Bi-directional beverages manual

This is two port antenna switch - middle box between pair of Bi-directional antennas with single coax output. It allows you to control ALL 4 directions over one coax cable. Directions are controlled by the voltage over the coax (0, +12V, -12V and AC).



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Applications
Schematic
PCB
KIT Assembling
Part list


Applications

- Bi-Dir beverages array with four directions over one coax
- Two po
rt switch controlled by the negative voltage over coax

example with Bias tee and Bi-dir antennas

4way rx antenna switch system configuration qro.cz hamparts.shop



example of antenna configuration - 4-way beverage system

4way rx antenna switch system configuration qro.cz hamparts.shop



version with PL SO-239 connectors

4way rx antenna switch assembled pl connector qro.cz hamparts.shop



version with F connectors

4way rx antenna switch assembled f connector qro.cz hamparts.shop



version with N connectors

4way rx antenna switch assembled n connector qro.cz hamparts.shop




Schematic

schematic 4way rx switch qro.cz hamparts.shop

IMPORTANT NOTE: This switch is controlled by NEGATIVE VOLTAGE -12V


PCB

pcb 4way rx switch qro.cz hamparts.shop



KIT Assembling

version with PL SO-239 connectors

4way rx antenna switch kit pl so-239 qro.cz hamparts.shop


version with F connectors

4way rx antenna switch f connector kit qro.cz hamparts.shop

- Use right resistor (for 50 Ohm coax line use 100R/2W and for 75 Ohm coax line use 150R/2W

- Place LED diode in right polarity (longer leg is + and is connected to GND on PCB)
- You can use Glue gun to fix F connector



pcb after assembling all the parts

4way switch by qro.cz hamparts.shop


Part list

NAMEPARTVALUE
GL1, GL2 neon lamp lamp 65V AC
D1, D2 diode 1N4007
C1 capacitor 100uF 100V
C2 capacitor 100nF 100V
LED1 led diode 3mm LED
R1, R2 resistor THT 100R or 150R
R3 resistor THT 1K
RE1, RE2 relay G5V-12
L1 inductor 100uH
VAR1 varistor 14VDC
core qro.cz CMCC core
CON connector PL S0-239, F or N



CMCC construction

- common-mode current choke construction
- wind 4 turns on one side then cross to another side of the cores and wind rest turns.

common-mode current choke cmcc qro.cz hamparts.shop



common-mode current choke cmcc qro.cz hamparts.shop



common-mode current choke cmcc qro.cz hamparts.shop

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A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.
A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.
A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.
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