1999 Jan 22 10
Philips Semiconductors Product specification
Frequency Shift Keying (FSK)/Amplitude
Shift Keying (ASK) receiver
UAA3220TS
AC CHARACTERISTICS
V
CC
= 2.7 V; T
amb
=25°C; for application diagram see Figs 9 and 10; f
i(RF)
= 433.92 MHz (see Table 4) and
f
i(RF)
= 868.35 MHz (see Table 5); f
mod
= 1 kHz square wave; unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
System performance
f
i(RF)
RF input frequency 250 − 920 MHz
f
IF
IF frequency 10.56 10.7 10.84 MHz
P
i(max)
maximum input power −−3 dBm
ASK mode; BER ≤ 3%;
notes 1 and 2
−22 −16 −10 dBm
FSK mode; BER ≤ 3%;
notes 2 and 3
−6 0 +1 dBm
P
SPUR
spurious radiation note 4 −−−57 dBm
f
DATA
data frequency note 5 − 1 − kHz
t
on(RX)
receiver turn-on time notes 6 and 7
f
i(RF)
= 433.92 MHz − 610ms
f
i(RF)
= 868.35 MHz − 37ms
V
RSSI
RSSI voltage 1.1 − 1.6 V
ASK mode
Φ
i(ASK)
input sensitivity directly into pin MIXIN BER ≤ 3%; notes 1 and 2
f
i(RF)
= 433.92 MHz −−119 −113 dBm
f
i(RF)
= 868.35 MHz −−116 −110 dBm
FSK mode
Φ
i(FSK)
input sensitivity directly into pin MIXIN BER ≤ 3%; notes 2 and 3 −−103 −100 dBm
∆f frequency deviation (peak value) 4 10 75 kHz
∆Φ
(FSK)(max)
maximum sensitivity degradation ∆f=4kHz −−3dB
G
dem
demodulator gain note 8 0.75 1.0 1.25
Mixer and post mixer amplifier
Z
i
input impedance of mixer f
i(RF)
= 433.92 MHz − 600 −Ω
f
i(RF)
= 868.35 MHz − 300 −Ω
IP3
PMA
interception point (mixer + PMA) −38 −30 − dBm
G
PMA
gain (mixer + PMA) note 9 40 42 50 dB
Z
o(IF)
output impedance of IF amplifier 280 330 380 Ω
mV
kHz
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