This is the user manual for TC690
The document serves as a user manual for the HBC-radiomatic TC690 transceiver module. It details operational descriptions, including power requirements, pin connections, SPI interface logic levels, and data transmission protocols.
Technical specifications are provided for both standard (TC690) and high-frequency variants (TC690H), covering supply voltage ranges, temperature limits, frequency bands, RF data rates, sensitivity, output power, and spurious emission limits.
| Supply voltage | +3.3~+4.7VDC |
|---|---|
| Temperature range | -25~+70 °C |
| Frequency range (TC690) | 902.125~917.875MHz |
| Frequency accuracy | ±10kHz |
| RF data rate | 15000bps |
| Frequency deviation | 40~50kHz |
| Channel separation | 250kHz |
| Receive sensitivity | <-95dBm @BER=10 -2 |
| Output power (conducted) | +13dBm peak, -6dBm average |
The module operates with a supply voltage between +3.3V and +4.7VDC.
The standard TC690 operates in the frequency range of 902.125MHz to 917.875MHz.
The module is switched on by driving pin 9 (DTR) to a low level.