B39321-R2704-U310 [EPCOS]
2-PORT SAW RESONATOR, 315 MHz, ROHS COMPLIANT, SMD, QCC8C, 8 PIN;
| 型号： | B39321-R2704-U310 |
| 厂家： | 
EPCOS |
| 描述： | 2-PORT SAW RESONATOR, 315 MHz, ROHS COMPLIANT, SMD, QCC8C, 8 PIN 晶体 谐振器 |
| 文件： | 总4页 (文件大小：40K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Data Sheet R 2704
SAW Components
Resonator
R 2704
315,00 MHz
Data Sheet
SMD Ceramic package QCC8C
Features
■ 2-port resonator
■ nominal 180˚-phase at resonance
■ Provides reliable, fundamental mode, quartz fre-
quency stabilization i.e. in transmitters or local
oscillators
Terminals
■ Ni, gold plated
Dimensions in mm, approx. weight 0,1 g
Pin configuration
2
Input / Ouptput
6
Output / Input
7
3
4,8
Ground (Input / Output)
Ground (Output / Input)
Ground (case)
Type
Ordering code
Marking and Package
Packing
according to
according to
F61074-V8070-Z000
R2704
B39321-R2704-U310
C61157-A7-A56
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range TA
Storage temperature range Tstg
–45/+85
–45/+85
12
˚C
˚C
V
DC voltage
VDC
Ps
between any terminals
Source power
0
dBm
2
May 09, 2001
SAW Components
Resonator
R 2704
315,00 MHz
Data Sheet
Characteristics
Reference temperature:
Terminating Source impedance:
Terminating Load impedance:
TA = 25 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
max.
fc
314,900 315,000 315,100 MHz
Center frequency
(center frequency between 3 dB points)
Minimum insertion attenuation
Phase at fc
αmin
ϕ
—
—
9,4
160
11,0
—
dB
˚ el.
Loaded quality factor
Unloaded quality factor
QL
QU
5800
9200
9000
13600
—
—
—
—
±50
ppm
Ageing of fc
Equivalent circuit elements
Motional capacitance
Motional inductance
Motional resistance
C1
L1
—
—
—
—
0,196
1,302
195
—
—
—
—
fF
µH
Ω
R1
C0
Input / Output capacitance
1,3
pF
TCf
T0
—
—
–0,03
25
—
—
ppm/K2
Temperature coefficient of frequency 1)
Turnover temperature
˚C
1) Temperature dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
May 09, 2001
SAW Components
Resonator
R 2704
315,00 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW CE AE PD
P.O. Box 80 17 09, D-81617 München
EPCOS AG 2001. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
4
May 09, 2001
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1-Port Saw Resonator, 315MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-6
TDK
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