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| 型號： | RO2102A-1 |
| 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： | RO2102A-1 |
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
RO2101-102599
Page 1 of 2
Electrical Characteristics
Characteristic
Absolute Frequency
Tolerance from 433.920 MHz
Sym
f
C
f
C
IL
Q
U
Q
L
T
O
f
O
FTC
|f
A
|
Notes
Minimum
433.845
Typical
Maximum
433.995
±75
2.0
Units
MHz
kHz
Center Frequency (+25 °C)
2, 3, 4, 5
Insertion Loss
Quality Factor
2, 5, 6
1.5
dB
Unloaded Q
50
Loaded Q
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
Absolute Value during the First Year
5, 6, 7
12,800
2,000
39
f
c
+ 2.7
0.037
≤
10
Temperature Stability
6, 7, 8
24
54
°C
kHz
ppm/°C
2
ppm/yr
M
μH
Frequency Aging
DC Insulation Resistance between Any Two Pins
RF Equivalent RLC Model
1
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, 7, 9
18
26
86.0075
1.56417
2.0
1.7
78
fF
pF
pF
5, 6, 9
5, 6, 7, 9
2, 7
1.7
2.3
Test Fixture Shunt Inductance
Lid Symbolization (in Addition to Lot and/or Date Codes)
nH
RFM RO2101
TO39-3 Case
Ideal for 433.92 MHz Transmitters
Very Low Series Resistance
Quartz Stability
Rugged, Hermetic, Low-Profile TO39 Case
The RO2101 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 transmitters operating at
433.92 MHz. The RO2101 is designed specifically for remote-control and wireless security transmitters oper-
ating in Europe under ETSI I-ETS 300 220 and in Germany under FTZ 17 TR 2100.
Absolute Maximum Ratings
Rating
Value
+0
±30
-40 to +85
Units
dBm
VDC
°C
CW RF Power Dissipation
DC Voltage Between Any Two Pins
Case Temperature
433.92 MHz
SAW
Resonator
RO2101
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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