參數(shù)資料
型號： 935260966005
廠商： NXP SEMICONDUCTORS
元件分類： 尋呼電路
英文描述： TELECOM, PAGING RECEIVER, UUC28
封裝： DIE-28
文件頁數(shù)： 2/43頁
文件大?。?/td> 525K
代理商： 935260966005
1996 Jan 15
10
Philips Semiconductors
Product specication
Advanced pager receiver
UAA2082
Table 2
Tolerances of components shown in Figs 3, 4 and 5 (notes 1 and 2)
Notes
1. Recommended crystal: fXTAL = 78.325 MHz (crystal with 8 pF load), 3rd overtone, pullability >2.75 × 106/pF
(change in frequency between series resonance and resonance with 8 pF capacitor at 25
°C), dynamic resistance
R1
< 30 , f= ±5 × 106 for Tamb = 10 to +55 °C with 25 °C reference, calibration plus aging tolerance:
5 × 106 to +15 × 106.
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, L10
±5Qmin = 145 at 470 MHz
L2, L3, L6, L7
±20
Qmin = 50 at 470 MHz; TC = (+25 to +125) × 106/K
L4, L5
±10
Qmin = 40 at 470 MHz; TC = (+25 to +125) × 106/K
L8
±10
Qmin = 30 at 156 MHz; TC = (+25 to +125) × 106/K
L9
±10
Qmin = 40 at 78 MHz; TC = (+25 to +125) × 106/K
Resistors
R1 to R6
±2
TC = +50
× 106/K
Capacitors
C1, C2, C7, C8, C9
±5TC = (0 ±30) × 106/K; tan δ≤ 30 × 104 at 1 MHz
C3, C6, C12, C23
TC =
(750 ±300) × 106/K; tan δ≤ 50 × 104 at 1 MHz
C4, C5, C14, C18 to C22
±10
TC = (0
±30) × 106/K; tan δ≤ 10 × 104 at 1 MHz
C10, C11
±5TC = (0 ±30) × 106/K; tan δ≤ 21 × 104 at 1 MHz
C13
±20
C16
TC = (
1700 ±500) × 106/K; tan δ≤ 50 × 104 at 1 MHz
C17
±5TC = (0 ±30) × 106/K; tan δ≤ 26 × 104 at 1 MHz
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