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參數資料
| 型號： | 303R0066-FREQ |
| 廠商： | NIHON DEMPA KOGYO CO LTD |
| 元件分類： | SAW諧振器 |
| 英文描述： | 2-PORT SAW RESONATOR, 250 MHz - 700 MHz |
| 文件頁數： | 1/1頁 |
| 文件大小： | 81K |
| 代理商： | 303R0066-FREQ |
217
S
3.56
±
0.2
0.45
±
0.05
GND
2-0.45
±
0.05
1.2
max
m
3
±
0
8
9
1
m
m
303R0066
303.875
±800
5000
15
8(±10MHz max)
180
3(5)
–30~+80
D-521E
Characteristics
Model
Load Q
(min)
Nominal Frequency
(MHz)
Frequency Tolerance(25C)
( f
0
×
10
)
Spurious
(dB)
Insertion Loss
(dB)
Maximum
Input
mW max (dBm)
Operating
Temp. Range
(°C)
Type
Phase Shift
(°)
Nominal Frequency
(MHz)
Type
Operating
Temp. Range
(°C)
0~+70
Characteristics
Model
155R0040A
Q value
(min)
Shunt
Capacitance
(pF)
3±1
Frequency Tolerance (25C)
( f
0
×
10
)
Equivalent
Resistance
(
)
80
Maximum
Input
mW max (dBm)
1(0)
Measuring
Circuit
155.520
±800
10000
π
network
D-516A
SAW resonators have found applications as communica-
tions equipment have adopted high-frequency systems.
They not only can be directly driven for oscillation using
high frequencies, but also have a high Q factor to pro-
vide more advanced communications equipment, and
thus are in wide use as resonators for RF modulation in
VTRs, video disk players, personal computers and TV
game machines.
These SAW resonators allow the manufacturer to pro-
duce equipment with fewer parts that crystal oscillators.
These models come with one-port and two-port res-
onators.
I
Features
8
Direct oscillation in fundamental mode
8
No spurious waves
8
Stability due to the use of crystal substrates
SAW RESONATORS
I
1 Port Resonator (Frequency Range: 60~320 MHz)
0.5
±
0.03GND
3-0.5
±
0.03
9
3
15.85 max
5.0
±
0.2 2.52.5
±
0.2
±
0.2
±
0
1
9
m
D-516A
(mm)
I
2 Port Resonator (Frequency Range: Over 250~700 MHz)
–100–80–60–40–20 0 +20+40+60+80+100
303.875MHz
Frequency
(kHz)
A
P
Phase
Attenuation
0
1
2
3
4
5
6
7
8
180
°
140
°
100
°
60
°
20
°
0
°
(dB)
Model : 303R0066
–2.5
–2
–1.5
–1
–0.5
0
+0.5
+1
+1.5
+2
+2.5
303.875MHz
Frequency
50
40
30
20
10
(MHz)
A
Model : 303R0066
D-521E
(mm)
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