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UAA2080T Datasheet(Fiches technique) 22 Page - NXP Semiconductors

Numéro de pièce UAA2080T
Description  Advanced pager receiver
Télécharger  44 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo 

 22 page
background image
1996 Jan 15
22
Philips Semiconductors
Product specification
Advanced pager receiver
UAA2080
AC CHARACTERISTICS (173 MHz)
VP = 2.05 V; Tamb =25 °C; test circuit Figs 1 or 2; fi(RF) = 172.941 MHz with ±4.0 kHz deviation; 1200 baud pseudo
random bit sequence modulation (tr = 250 ±25 µs measured between 10% and 90% of voltage amplitude) and 20 kHz
channel spacing; unless otherwise specified.
Notes
1. The bit error rate BER is measured using the test facility shown in Fig.13. Note that the BER test facility contains a
digital input filter equivalent to the one used in the PCA5000A, PCF5001 and PCD5003 POCSAG decoders.
2. Capacitor C16 requires re-adjustment to compensate temperature drift.
3.
∆f is the frequency offset between the required signal and the interfering signal.
4. Turn-on time is defined as the time from pin RE going HIGH to the reception of valid data on output pin DO. Turn-on
time is measured using an external oscillator (turn-on time using the internal oscillator is dependent upon the
oscillator circuitry).
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Radio frequency input
Pi(ref)
input sensitivity (Pi(ref) is the
maximum available power at
the RF input of the test board)
BER
3100; note 1
−−126.5 −123.5 dBm
Tamb = −10 to +70 °C; note 2
−−−120.5 dBm
VP = 1.9 V
−−−117.5 dBm
Mixers to demodulator
αacs
adjacent channel selectivity
Tamb =25 °C69
72
dB
Tamb = −10 to +70 °C67
−−
dB
α
ci
IF filter channel imbalance
−−
2dB
α
c
co-channel rejection
47dB
α
sp
spurious immunity
50
60
dB
αim
intermodulation immunity
55
60
dB
α
bl
blocking immunity
∆f >±1 MHz; note 3
78
85
dB
foffset
frequency offset range
(3 dB degradation in sensitivity)
deviation f =
±4.0 kHz
±2.0
−−
kHz
deviation f =
±4.5 kHz
±2.5
−−
kHz
∆fdev
deviation range
(3 dB degradation in sensitivity)
2.5
7.0
kHz
ton
receiver turn-on time
data valid after setting RE input
HIGH; note 4
−−
5ms




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