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| 型號： | RO2065 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 259K |
| 代理商： | RO2065 |
RF Monolithics, Inc.
RFM Europe
1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-9148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
RO2065-102599
Page 1 of 2
Electrical Characteristics
Characteristic
Nominal Frequency
Tolerance from 423.270 MHz
Sym
f
C
f
C
IL
Q
U
Q
L
T
O
f
O
FTC
|fA|
Notes
Minimum
423.170
Typical
Maximum
423.370
±100
7.0
Units
MHz
kHz
dB
Frequency (+25 °C)
2, 3, 4, 5
Insertion Loss
Quality Factor
2, 5, 6
2.8
Unloaded Q
50
Loaded Q
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
Absolute Value during the First Year
5, 6, 7
11,700
3,200
42
f
C
+4.5
0.037
10
Temperature Stability
6, 7, 8
27
57
°C
kHz
ppm/°C
2
ppm/yr
M
μH
fF
pF
pF
nH
Frequency Aging
DC Insulation Resistance between Any Two Pins
RF Equivalent RLC Model
1, 6
5
1.0
Motional Resistance
Motional Inductance
Motional Capacitance
Pin 1 to Pin 2 Static Capacitance
Transducer Static Capacitance
R
M
L
M
C
M
C
O
C
P
L
TEST
5, 6, 7, 9
38
124
167.175
.845734
2.2
2.0
64
5, 6, 9
5, 6, 7, 9
2, 7
1.9
2.5
Test Fixture Shunt Inductance
Lid Symbolization (in addition to Lot and/or Date Codes)
RFM RO2065
TO39-3 Case
Designed for 433.92 MHz Superhet Receiver LOs
Low Series Resistance
Quartz Stability
Rugged, Hermetic, Low-Profile TO39 Case
The RO2065 is a true one-port, surface-acoustic-wave (SAW) resonator in a low-profile TO39 case. It pro-
vides reliable fundamental-mode quartz frequency stabilization, of fixed frequency oscillators operating at
433.92 MHz. The RO2065 is designed specifically for local oscillator in superhet receivers operating at
433.92 MHz for use in Germany under FTZ 17 TR2100. However, it is suitable for a variety of oscillator appli-
cations.
Absolute Maximum Ratings
Rating
Value
+5
±30
-40 to +85
Units
dBm
VDC
°C
CW RF Power Dissipation
DC Voltage Between Terminals (Observe ESD Precautions)
Case Temperature
423.270 MHz
SAW
Resonator
RO2065
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
Frequency aging is the change in f
C
with time and is specified at +65°C or less.
Aging may exceed the specification for prolonged temperatures above +65°C.
Typically, aging is greatest the first year after manufacture, decreasing signifi-
cantly in subsequent years.
The center frequency, f
C
, is measured at the minimum insertion loss point, IL
MIN
,
with the resonator in the 50
test system (VSWR
≤
1.2:1). The shunt induc-
tance, L
TEST
, is tuned for parallel resonance with C
O
at f
C
. Typically, f
OSCILLA-
TOR
or f
TRANSMITTER
is less than the resonator f
C
.
One or more of the following United States patents apply: 4,454,488 and
4,616,197 and others pending.
Typically, equipment designs utilizing this device require emissions testing and
government approval, which is the responsibility of the equipment manufacturer.
Unless noted otherwise, case temperature T
C
= +25°C±2°C.
The design, manufacturing process, and specifications of this device are subject
to change without notice.
2.
3.
4.
5.
6.
7.
Derived mathematically from one or more of the following directly measured
parameters: f
C
, IL, 3 dB bandwidth, f
C
versus T
C
, and C
O
.
Turnover temperature, T
O
, is the temperature of maximum (or turnover) fre-
quency, f
O
. The nominal frequency at any case temperature, T
C
, may be calcu-
lated from: f = f
O
[1 - FTC (T
O
-T
C
)
2
]. Typically,
oscillator
T
O
is 20°C less than
the specified
resonator
T
O
.
This equivalent RLC model approximates resonator performance near the reso-
nant frequency and is provided for reference only. The capacitance C
O
is the
static (nonmotional) capacitance between pin1 and pin 2 measured at low fre-
quency (10 MHz) with a capacitance meter. The measurement includes case
parasitic capacitance with a floating case. For usual grounded case applica-
tions (with ground connected to either pin 1 or pin 2 and to the case), add
approximately 0.25 pF to C
O
.
8.
9.
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