參數(shù)資料
型號(hào)： PBRC-20.00BR
英文描述： RESONATOR SMD 20.00MHZ
中文描述： 諧振器貼片20.00MHZ
文件頁(yè)數(shù)： 6/50頁(yè)
文件大?。?/td> 1431K
代理商： PBRC-20.00BR
5
Table III: Equivalent Circuit Equations
Table IV: Typical Parameters of the Equivalent Circuit
KBR-4.00MSA/MSB
KBR-455(BK)
R
0
8
6
L
0
318
μ
H
3.2mH
C
0
5.4pF
43pF
C
1
42pF
360pF
Q
M
970
1600
AVX/Kyocera Ceramic Resonators
The mechanical vibration of a ceramic resonator can
be represented by an equivalent electrical circuit consisting
of L, C, and R’s (Figure 4). The impedance and phase
curves of a ceramic resonator are shown in Figure 5.
Between the resonant frequency (
r
) and the anti-
resonant frequency (
a
), the ceramic resonator acts like an
inductor with performance identical to a coil and a resistor
(Figure 4-B). At other frequencies, it has capacitive
characteristics (Figure 4-A).
The equivalent circuit parameters can be determined
from the resonant and anti-resonant frequencies. These
equations are shown in Table III with the equivalent circuit
parameters of typical AVX/Kyocera resonators shown in Table
IV.
Ceramic resonators have much lower Q
m
and higher
equivalent capacitances than crystal oscillators. Oscillation
circuits of various I.C.’s can be either low (inverter) or high
(Schmidt) gain.
Figure 4:
Electrical Equivalent Circuit
Figure 5:
Impedance and Phase Charts
C
1
Le
Re
L
0
C
0
C
1
R
0
a
A
B
GENERAL DESCRIPTION continued
430
450
470
Frequency (kHz)
P
(
90
0
-90
430
450
470
10
100
1K
10K
100K
KBR-455BK
fa
fr
Frequency (kHz)
I
)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PBRC-3.00AR 功能描述:諧振器 3.00MHZ RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel
PBRC-3.18BR 功能描述:諧振器 3.18MHZ RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel
PBRC-3.20BR 功能描述:諧振器 3.20MHZ RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel
PBRC-3.24AR 功能描述:諧振器 3.24MHZ RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel
PBRC-3.38BR 功能描述:諧振器 3.38MHZ RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel
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