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| 型號： | RS1207 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 15K |
| 代理商： | RS1207 |
433.92 MHz
SAW
Resonator
RS1207
ELECTRICAL CHARACTERISTICS
Characteristic
Sym
f
c
f
c
IL
Q
U
Q
L
T
o
f
o
FTC
Notes
1
Minimum
433.845
47
1.0
1.4
Typical
8.2
12,700
7,700
62
f
c
+ 22
0.037
< ±
10
157
728068
0.184778
1.7
Maximum
433.995
±
75
10.0
77
217
2.0
Units
MHz
kHz
dB
Center Frequency (+25
°
C)
Absolute Frequency
Relative to 433.920 MHz
Insertion Loss
Quality Factor
1
2
Unloaded Q
50
Loaded Q
Turnover Temperature
Turnover Frequency
Freq. Temp. Coefficient
Temperature Stability
2, 3
°
C
kHz
ppm/
°
C
2
ppm/yr
M
μ
H
fF
pF
Frequency Aging
DC Insulation Resistance between any 2 pins
RF Equivalent RLC Model
4
2, 5
Motional Resistance
Motional Inductance
Motional Capacitance
Shunt Static Capacitance
R
m
L
m
C
m
C
o
5
Lid Symbolization
RFM S1207
Notes: (Unless noted otherwise, case temperature, T
c
= +25
°
C
±
2
°
C.)
1.
f
c
is the frequency of minimum IL with the resonator in a 50
test system with VSWR
≤
1.2:1. (Typically, f
OSCILLATOR <
f
c
)
2.
Derived mathematically from one or more of the following directly measured parameters: f
c
, IL, 3 dB bandwidth, f
c
vs. T
c
, and C
o
.
3.
Turnover temperature, T
o
, is the temperature of maximum (or turnover) frequency, f
o
. The nominal frequency at any case temperature, T
c
,
may be calculated from: f = f
o
[ 1 - FTC ( T
o
- T
c
)
]. (Note that oscillatorT
o
is typically 20
°
C less than specified resonatorT
o
.)
4.
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 tempera-
tures above +65
°
C. Typically, aging is greatest the first year after manufacture, decreasing in subsequent years.
5.
This equivalent RLC model approximates resonator performance near the resonant frequency and is provided for reference only. C
o
is the
measured static (nonmotional) capacitance between pin 1 and ground or pin 2 and ground and includes case parasitic capacitance.
6.
The design, manufacturing process, and specifications of this device are subject to change without notice.
7.
One or more of the following U. S. Patents apply: 4,454,488 and 4,616,197. RFM is a registered trademark of RF Monolithics, Inc..
8.
Equipment utilitizing this device typically requires emissions testing and government approval, which is the responsibility of the equipment
manufacturer.
9.
CAUTION: ELECTROSTATIC SENSITIVE DEVICE. Observe precautions for handling.
ABSOLUTE MAXIMUM RATINGS
Rating
Value
+10
±
30
-40 to +85
Units
dBm
VDC
°
C
CW RF Power Dissipation
DC Voltage between any 2 pins (See note 9)
Case Temperature (See note 4)
Designed for 433.92 MHz Transmitters
0
°
Nominal Insertion Phase at Resonance
Rugged, Hermetic, Low Profile TO-39 Case
The RS1207 is a 2-port surface acoustic wave (SAW) resonator that provides
reliable quartz frequency stabilization of low-power AM and FSK transmitters at
433.92 MHz for use in Europe. Applications include remote control and wireless
security devices. This resonator is designed specifically as a pin-for-pin replacement
in pre-existing transmitter circuits designed around a 2-port, 0
°
SAW resonator.
TO39-3 Case
RS1270.CHP-B-01-121894AC
RSBACK.CHP
1994
RF Monolithics, Inc.
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