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UAA2080T Datasheet(Fiches technique) 6 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
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 6 page
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1996 Jan 15
6
Philips Semiconductors
Product specification
Advanced pager receiver
UAA2080
Table 1
Tolerances of components shown in Figs 1 and 2 (notes 1 and 2)
Notes
1. Recommended crystal: fXTAL = 57.647 MHz (crystal with 8 pF load), 3rd overtone, pullability >2.75 × 10−6/pF
(change in frequency between series resonance and resonance with 8 pF series capacitor at 25
°C), dynamic
resistance R1
< 40 Ω, ∆f= ±5 × 10−6 for Tamb = −10 to +55 °C with 25 °C reference, calibration plus aging tolerance:
−5 × 10−6 to +15 × 10−6.
2. This crystal recommendation is based on economic aspects and practical experience. Normally the spreads for R1,
pullability and calibration do not show their worst case limits simultaneously in one crystal. In such a rare event, the
tuning range will be reduced to an insufficient level.
COMPONENT
TOLERANCE
(%)
REMARK
Inductances
L1
±5Qmin = 100 at 173 MHz
L2, L3, L6, L7
±20
Qmin = 50 at 173 MHz; TC = (+25 to +125) × 10−6/K
L4, L5
±10
Qmin = 30 at 173 MHz; TC = (+25 to +125) × 10−6/K
L8
±20
Qmin = 30 at 173 MHz; TC = (+25 to +125) × 10−6/K
L9
±10
Qmin = 30 at 57 MHz; TC = (+25 to +125) × 10−6/K
Resistors
R1 to R7
±2
TC = +50
× 10−6/K
Capacitors
C1, C2, C7, C8, C9, C15
±5TC = (0 ±30) × 10−6/K; tan δ≤ 30 × 10−4 at 1 MHz
C3, C6, C12
TC =
(−750 ±300) × 10−6/K; tan δ≤ 50 × 10−4 at 1 MHz
C4, C5, C14, C18, C19
±10
TC = (0
±30) × 10−6/K; tan δ≤ 10 × 10−4 at 1 MHz
C10, C11
±5TC = (0 ±30) × 10−6/K; tan δ≤ 21 × 10−4 at 1 MHz
C13
±20
C16
TC =
(−1700 ±500) × 10−6/K; tan δ≤ 50 × 10−4 at 1 MHz
C17
±5TC = (0 ±30) × 10−6/K; tan δ≤ 26 × 10−4 at 1 MHz




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