Radiometrix Ltd

Page 6

1200buad Modem IC

NC

STATUS

RESET

VSS

NC

RSTXD

RSRXD

NC

TXE

RXD

OSC1

OSC2

VDD

M3

M2

M1

M0

RF

Vcc

GND

TXD

100nF

5V

supply

EN

2k2

10k

3.58MHz

TXD

RS232

Port

10k

10k

1k

TXD

1

5

9

Figure 4: RF Transmitter (e.g. TX1) + NBEK IC interface for RS232 data transmission

NC

STATUS

RESET

VSS

NC

RSTXD

RSRXD

NC

TXE

RXD

OSC1

OSC2

VDD

M3

M2

M1

M0

RF

Vcc

GND

RXD

100nF

5Vsupply

3.58MHz

TXD

10k

1k

RS232

Port

RXD

1

5

9

Figure 5: RF Receiver (e.g. NRX1) + NBEK IC interface for RS232 data reception

Ordering Information:

The NBEK controller IC can be ordered separately with equal number of radio modules.

NBEK-000-SS - Shrink Small Outline

NBEK-000-SO - Small Outline

NBEK-000-DIL - Plastic Dual In Package