SAW Components
Data Sheet R 2710
2May 09, 2001
SAW Components R 2710
311,063 MHzResonator
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 Ground (Input / Output)
3 Ground (Output / Input)
4,8 Ground (case)
Electrostatic Sensitive Device (ESD)
Type Ordering code Marking and Package
according to
Packing
according to
R 2710 B39311-R2710-U310 C61157-A7-A56 F61074-V8070-Z000
Maximum ratings
Operable temperature range
T
A–45/+85 ˚C
Storage temperature range
T
stg –45/+85 ˚C
DC voltage
V
DC 12 V between any terminals
Source power
P
s0 dBm
3May 09, 2001
SAW Components R 2710
311,063 MHzResonator
Data Sheet
Characteristics
Reference temperature:
T
A= 25 ˚C
Terminating Source impedance:
Z
S= 50 Ω
Terminating Load impedance:
Z
L= 50 Ω
1) Temperature dependence of
f
c:
f
c(
T
A) =
f
c(
T
0)(1 +
TC
f(
T
A –
T
0)2)
min. typ. max.
Center frequency
f
c310,988 311,063 311,138 MHz
(center frequency between 3 dB points)
Minimum insertion attenuation αmin — 8,7 10,7 dB
Phase at fcϕ— 158 — ˚ el.
Loaded quality factor QL4200 7000 —
Unloaded quality factor QU6000 10800 —
Ageing of fc——±50 ppm
Equivalent circuit elements
Motional capacitance C1— 0,284 — fF
Motional inductance L1— 922 — µH
Motional resistance R1— 160 — Ω
Input / Output capacitance C0— 1,8 — pF
Temperature coefficient of frequency 1)
TC
f— –0,03 — ppm/K2
Turnover temperature T010 — 40 ˚C
4May 09, 2001
SAW Components R 2710
311,063 MHzResonator
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.
A
s 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.
T
he information describes the type of component and shall not be considered as assured
characteristics.
T
erms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
t
he international representatives.
Due to technical requirements components may contain dangerous substances. For information on
t
he type in question please also contact one of our sales offices.
