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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)： | 40/43頁 |
| 文件大?。?/td> | 525K |
| 代理商： | 935260966005 |
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1996 Jan 15
6
Philips Semiconductors
Product specication
Advanced pager receiver
UAA2082
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 × 106/pF
(change in frequency between series resonance and resonance with 8 pF series capacitor at 25
°C), dynamic
resistance R1
< 40 , 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
±5Qmin = 100 at 173 MHz
L2, L3, L6, L7
±20
Qmin = 50 at 173 MHz; TC = (+25 to +125) × 106/K
L4, L5
±10
Qmin = 30 at 173 MHz; TC = (+25 to +125) × 106/K
L8
±20
Qmin = 30 at 173 MHz; TC = (+25 to +125) × 106/K
L9
±10
Qmin = 30 at 57 MHz; TC = (+25 to +125) × 106/K
Resistors
R1 to R7
±2
TC = +50
× 106/K
Capacitors
C1, C2, C7, C8, C9, C15
±5TC = (0 ±30) × 106/K; tan δ≤ 30 × 104 at 1 MHz
C3, C6, C12
TC =
(750 ±300) × 106/K; tan δ≤ 50 × 104 at 1 MHz
C4, C5, C14, C18, C19, C20
±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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