CTA28 RADIOMETRIX [Radiometrix Ltd], CTA28 Datasheet - Page 2

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

Channels connected on the CTA chip are zero and four (for compatibility with rx mode 100, and serial
operation)
Common features:
TX Application board
Radiometrix Ltd
Interfaces
Input/output
Power
CTA88 mode
CTA88 address
Radio channel
Radio setup
RF
Indicators
CTA88
Size
Operating temperature
Inputs
Supply
Radio modules
transmit current
idle current:
2 x 3.81mm pitch 3 pin "Phoenix" two part connectors
2.1mm connector and 2 pin "Phoenix" (these inputs are diode "or'ed"
together).
On/off slide switch on pcb
3 position jumpers
8 position DIP switch
4 position DIP switch (optional)
2 pin 0.1" pitch "Molex" serial connection
SMA(or optional screw terminal)
Power on LED
send/receiver LED
2 x I/O pin state LEDs
Clock
Data rate 1kbit/sec Biphase coded burst
Part:
87 x 70 x 16mm (excluding connectors)
(four 3.3mm diameter mounting holes are provided)
-20 to +70 degrees centigrade (some radios may be limited to -10/+55)
(Storage
2.5 to 50v (5mA) opto isolated inputs with manual "test" pushbuttons
LED indicators on all channels
Link selectable DC supply (5v aux, 5v main, or unregulated Vin) on each
channel
(fit one link only on jumpers JP10)
Link selecting low power / normal mode (JP12)
6 –15V
4mA
3uA
(depends upon radio module fitted)
50mA with LMT2-433-5 fitted
any LMT version
transmitter versions of NiM2, BiM1, BiM1H, BiM2A, BiM3A/B RDL2 (tx).
(Fit R32. Idle current increases by 10mA)
(standard mode)
(low power mode)
Leaded 28 pin, in socket
3.58MHz (ceramic resonator)
CTA28 Demo board
-30 to +70 degrees)
(optional)
page 2