參數(shù)資料
型號(hào)： PBRC-8.00BR
英文描述： RESONATOR SMD 8.00MHZ
中文描述： 諧振器貼片8.00MHZ
文件頁數(shù)： 8/50頁
文件大?。?/td> 1431K
代理商： PBRC-8.00BR
7
Figure 8:
C2 Held Constant OSC Voltage Characteristics
Figure 10:
kHz Spurious Response
Figure 9:
C1 Held Constant OSC Voltage Characteristics
Figure 11:
MHz Spurious Response
MS SERIES
KBR-2.00 MS
0
MSA/MSB SERIES
KBR-3.58 MSA/MSB
VIH
VOH
VOL
VIL
O
5
0
100
200
300
C
1
(pF)
400
500
2
1
0
-1
-2
0
100
200
300
400
500
C
2
(pF)
F
C
2
– OSC. FREQ. SHIFT CHARAC. (C1: 100pF)
2
1
0
-1
-2
0
100
200
300
400
500
C
1
(pF)
F
C
1
– OSC. FREQ. SHIFT CHARAC. (C2: 100pF)
VOH
VIH
VIL
VOL
O
5
0
100
200
300
C
2
(pF)
400
500
APPLICATION AND TEST CIRCUITS continued
The design of an oscillation circuit requires an accu-
rate choice of circuit components to ensure oscillation
within the specific voltage range of the IC (Figure 6). Semi-
conductor manufacturers’ data books categorize V
H
and
V
L
for both input and output requirements. The next stage
of a design can be driven from either the IC input or
output. Special attention should be paid to V
IH
and V
IL
or
V
OH
and V
OL
depending upon where the next stage comes
from the IC.
Oscillation frequency and amplitude depend upon the
values of the external load capacitors (C
1
, C
2
). These
AVX/Kyocera Ceramic Resonators
effects are illustrated in Figures 7, 8 and 9. When the
feedback ratio and the input oscillation amplitude are de-
creased too far, the circuit becomes vulnerable to external
noise and might oscillate spuriously with the external noise.
There are some cases when a high gain IC or one
with a wide non-linear range will give abnormal oscillation
from sub-vibration of the resonator. This can be prevented
by adding a damping resistor to decrease the feedback
ratio or by increasing the load capacitance values. The
spurious characteristics of typical AVX/Kyocera kHz and
MHz resonators are shown in Figures 10 and 11.
Figure 6:
Oscillation Level
Figure 7:
Load Capacitor Effects
BK Series (KBR-455BK)
0
-10
-20
-30
-40
-50
-60
-70
-80
2500
FREQUENCY (kHz)
5000
7500
A
V
H
V
L
MIN
MIN
MAX
TIME
MAX
V
-10
-20
-30
-40
-50
-60
-70
3.0
FREQUENCY (MHz)
6.0
9.0
12.0
0
-10
-20
-30
-40
-50
-60
-70
FREQUENCY (MHz)
3.0
6.0
9.0
12.0
A
A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PBRC-9.00BR07 功能描述:諧振器 9.00MHZ 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
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