CTA28 RADIOMETRIX [Radiometrix Ltd], CTA28 Datasheet - Page 3

• Manufacturer Part Number: CTA28
• Description: CTA88 chip based 2-channel I/O Application Boards
• Manufacturer: RADIOMETRIX [Radiometrix Ltd]

TX application board jumpers and DIP switches
The TX encoder board has 4 jumpers and 2 DIP switches. The jumpers are used to select the number of
operating modes featured in the board while the 4 way and 8 way DIP switches are used for frequency
channels selection and address selection respectively.
TX Jumpers
Assumed the board is held "long side horizontal" with the RF connector and DIP switches at the top
Radiometrix Ltd
Figure 2: CTA28 TX application board PCB (top view)
Jumper.
JP10
Name
SUPPLY
Function
Selects which power supply is fed to
the user inputs busbar
(Only EVER fit one jumper on this
header)
CTA28 Demo board
Position
Top
Middle
Bottom
Mode
Low current / always
present +5v (100mA
max, total) (default)
Main +5v (250mA).
In low power mode this
rail is only
Present during
actuation
Unregulated Vin, via
switch and 1A schottky
diode
page 3