Radio Transmitter telecontrolli RTFQ1-XXX FSK Radio Transmitter with Crystal Oscillator and External Antenna General description The RTFQ1-XXX is an hybrid circuit that allows to realize a complete radio transmitter adding a coding circuit. It shows stable electric characteristics thanks to the "Thick film hybrid" technology. XXX : working frequency ( 315, 433.92, 868.35 MHz) Features Applications • • • • • • High Reliability DIL Package Wireless security systems Car Alarm systems Remote gate controls Sensor reporting BLOCK DIAGRAM IN XTAL EN XTAL Oscillator PLL Synthesizer Power AMP OUT Electrical Characteristics Ta = 25°C unless otherwise specified CHARACTERISTICS VCC Supply Voltage IS Operating Supply Current ISTANDBY Standby Supply Current (IN = EN = Low) FW Working Frequency PO MIN TYP MAX UNIT 2.2 3.3 4 VDC 7 8 mA 100 nA 433.9/868.35 Initial Frequency Accuracy -25 0 +25 KHz FM Deviation (+/-) 25 30 35 KHz RF Output Power into 50Ω (Vcc = 3.3V) Harmonic Spurious Emission Input High Voltage VIH MHz +5 / +1 dBm -40 dBc 1.5 Max Data Rate VCC V 9.6 Kbps 1 msec +80 °C Power-Up Time (EN → full RF) TOP Operating Temperature Range EN IN STATE L L Power Down Mode H L PLL Enable Mode H H Transmit Mode -25 Mechanical Dimensions 20.32 mm 6 1 5.08 mm Pin Description TOP VIEW 2 1 EN Enable 4 VCC Supply Voltage 2 3 IN GND Data In Ground 5 6 GND EA Ground External Antenna 5 4 3 TYPICAL APPLICATION + EN 3.3V 2 3 4 5 6 7 8 telecontrolli Vcc 16 1 M C 1 4 5 0 2 6 15 In RTFQ1 14 GND 13 12 11 10 9 HEAD OFFICE & PLANT Via Naz. delle Puglie 177 80026 Casoria (NA), Italy Tel: +39 081 7599033 Fax: +39 081 7596494 EA 11.43 mm