參數(shù)資料
型號(hào)： UAA2082U
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 尋呼電路
英文描述： Advanced pager receiver
中文描述： TELECOM, PAGING RECEIVER, UUC37
封裝： DIE-28
文件頁(yè)數(shù)： 6/40頁(yè)
文件大小： 457K
代理商： UAA2082U
1996 Jan 15
6
Philips Semiconductors
Product specification
Advanced pager receiver
UAA2082
Table 1
Tolerances of components shown in Figs 1 and 2 (notes 1 and 2)
Notes
1.
Recommended crystal: f
XTAL
= 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
,
f =
±
5
×
10
6
for T
amb
=
10 to +55
°
C with 25
°
C reference, calibration plus aging tolerance:
5
×
10
6
to +15
×
10
6
.
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.
2.
COMPONENT
TOLERANCE
(%)
REMARK
Inductances
L1
L2, L3, L6, L7
L4, L5
L8
L9
±
5
±
20
±
10
±
20
±
10
Q
min
= 100 at 173 MHz
Q
min
= 50 at 173 MHz; TC = (+25 to +125)
×
10
6
/K
Q
min
= 30 at 173 MHz; TC = (+25 to +125)
×
10
6
/K
Q
min
= 30 at 173 MHz; TC = (+25 to +125)
×
10
6
/K
Q
min
= 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
C3, C6, C12
C4, C5, C14, C18, C19, C20
C10, C11
C13
C16
C17
±
5
±
10
±
5
±
20
±
5
TC = (0
±
30)
×
10
6
/K; tan
δ ≤
30
×
10
4
at 1 MHz
TC =
(
750
±
300)
×
10
6
/K; tan
δ ≤
50
×
10
4
at 1 MHz
TC = (0
±
30)
×
10
6
/K; tan
δ ≤
10
×
10
4
at 1 MHz
TC = (0
±
30)
×
10
6
/K; tan
δ ≤
21
×
10
4
at 1 MHz
TC =
(
1700
±
500)
×
10
6
/K; tan
δ ≤
50
×
10
4
at 1 MHz
TC = (0
±
30)
×
10
6
/K; tan
δ ≤
26
×
10
4
at 1 MHz
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