fsk radio transmitter with crystal oscillator and external antenna telecontrolli rtfq1-xxx 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) general description features applications block diagram high reliability dil package wireless security systems car alarm systems remote gate controls sensor reporting radio transmitter in en xtal pll synthesizer out amp power oscillator xtal
telecontrolli characteristics min typ max unit electrical characteristics v cc v cc i s i standby f w mechanical dimensions pin description 20.32 mm 11.43 mm 1 3 2 5 6 4 1 en enable 4 v supply voltage 2 in data in 5 gnd ground 3 gnd ground 6 ea external antenna cc supply voltage working frequency initial frequency accuracy fm deviation (+/-) operating supply current standby supply current (in = en = low) t op p o v ih max data rate harmonic spurious emission input high voltage top view power-up time (en full rf) ? operating temperature range rf output power into 50 w (vcc = 3.3v) 2.2 1.5 4 3.3 8 433.9/868.35 vdc v 7 100 +5 / +1 30 35 25 0 ma na dbm dbc -40 9.6 1 kbps mhz khz khz -25 -25 +25 +80 msec c ta = 25c unless otherwise specified 5.08 mm head office & plant via naz. delle puglie 177 80026 casoria (na), italy tel: +39 081 7599033 fax: +39 081 7596494 typical application 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 m c 1 4 5 0 2 6 rtfq1 in vcc en gnd ea 3.3v + en in state power down mode l l h hh l pll enable mode transmit mode
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