RK-900-FDTC Radiotronix, RK-900-FDTC Datasheet
RK-900-FDTC
Specifications of RK-900-FDTC
Related parts for RK-900-FDTC
RK-900-FDTC Summary of contents
Page 1
Designed for Voice and Data Applications 1000 foot operating range is possible -109 dBm Sensitivity (12dB SINAD) 19.2K Baud Data Rate 56 Channels Full-Duplex Operation The EWM-900-FDTC is ideal for unlicensed voice and data applica- tions. The transceiver module requires ...
Page 2
EWM-900-FDTC Absolute Maximum Ratings Rating Power Supply and All Input Pins Storage Temperature Soldering Temperature (10 sec) Electrical Characteristics ...
Page 3
Notes: 1). 12dB SINAD, 1kHz modulation tone, 25kHz p-p frequency deviation -5 2). 19.2kBit/second, 10 BER, 25kHz p-p deviation 3). -85dBm input level, 1kHz tone, 25 kHz p-p deviation 4). 50 ohm load Pin Description ...
Page 4
EWM-900-FDTC 4 Rev Date 7/25/01 Preliminary ...
Page 5
General Description The EWM-900-FDTC is a complete, fully-integrated FM/FSK transceiver module capable of full-duplex transmission and reception of voice and data. The transceiver operates on one of 56 channels in the 902- 928MHz unlicensed band. No external RF components (except ...
Page 6
... The receive frequency is determined by the values of the A, F, and M counters. The trim bits are used to adjust the tuning range of the receive VCO. The trim value is determined at the factory and is provided with each module clearly marked on the top of the module in indelible ...
Page 7
Table 3: Receive/Transmit Channel Programming Table ...
Page 8
... VCO. The trim 8 value is determined at the factory and is provided with each module clearly marked on the top of the module in indelible ink. The actual transmit frequency can be calculated using same formula as for the receive register. See the receive register description for more information on calculating the M, A, and F values ...
Page 9
Figure 5: Evaluation Board Schematic Diagram Preliminary EWM-900-FDTC Rev Date 7/25/01 9 ...
Page 10
EWM-900-FDTC Applications Information Figure 5 shows the schematic diagram of our evaluation board. All of the transceiver parameters in the specification sheet were determined on this board. Power Supply The transceiver is designed to operate from power ...
Page 11
Receiver Audio Output The receiver audio output is the analog signal directly from the FM demodulator filtered by a 3rd order LPF with a cut-off frequency of 15kHz. The audio signal is 600mV typically. The receiver sensitivity can ...
Page 12
... Support tab. Our second preferred method of providing technical support is through e-mail. You can e-mail us your question at support@radiotronix.com. Our least preferred method of technical support is by phone. Supporting RF products such as ours requires our support engineers to spend time in the lab tracking down problems and answers to customer questions ...
Page 13
NOTES: Preliminary EWM-900-FDTC Rev Date 7/25/01 13 ...