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參數資料
| 型號： | RO2156E-1 |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | Ideal for European 868.95 MHz Transmitters |
| 中文描述： | 非常適合歐洲868.95兆赫發射機 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 97K |
| 代理商： | RO2156E-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) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
RO2156E_RO2156E-1_RO2156E-2_122105
Page 1 of 2
Operating Temperature Range
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
868.800
868.850
868.875
Typical
Maximum
869.100
869.050
869.025
±150
±100
±75
2.0
Units
Frequency (+25 °C) Nominal Frequency RO2156E
f
C
2,3,4,5
MHz
RO2156E-1
RO2156E-2
Tolerance from 868.950 MHz RO2156E
f
C
kHz
RO2156E-1
RO2156E-2
Insertion Loss
Quality Factor
IL
Q
U
Q
L
T
O
f
O
FTC
|fA|
2,5,6
5,6,7
1.20
800
6500
25
f
C
0.032
<±10
dB
Unloaded Q
50
Loaded Q
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
Absolute Value during the First Year
Temperature Stability
6,7,8
15
35
°C
kHz
ppm/°C
2
ppm/yr
M
μH
fF
pF
nH
Frequency Aging
DC Insulation Resistance between Any Two Terminals
RF Equivalent RLC Model
1
5
1.0
Motional Resistance
Motional Inductance
Motional Capacitance
Shunt Static Capacitance
R
M
L
M
C
M
C
O
L
TEST
5, 6, 7, 9
13.41
16.12
2.08
2.10
15.98
5, 6, 9
2, 7
Test Fixture Shunt Inductance
Lid Symbolization (in addition to Lot and/or Date Codes)
Standard Reel Quantity Reel Size 7 Inch
Reel Size 13 Inch
562 / YWWS
10
500 Pieces / Reel
3000 Pieces / Reel
Ideal for European 868.95 MHz Transmitters
Very Low Series Resistance
Quartz Stability
Complies with Directive 2002/95/EC (RoHS)
The RO2156E is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount ceramic case.
It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmitters operat-
ing at 868.95 MHz. This SAW is designed specifically for remote-control and wireless security transmitters
operating under ETSI-ETS 300 220 in Europe and under FTZ 17 TR 2100 in Germany.
Absolute Maximum Ratings
Rating
Value
0
12
-40 to +125
-40 to +125
Units
dBm
VDC
°C
°C
Input Power Level
DC Voltage
Storage Temperature
868.950 MHz
SAW
Resonator
RO2156E
RO2156E-1
RO2156E-2
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 in subse-
quent years.
2.
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
inductance, L
TEST
, is tuned for parallel resonance with C
O
at f
C
. Typically, f
OS-
CILLATOR
or f
TRANSMITTER
is approximately equal to the resonator f
C
.
3.
One or more of the following United States patents apply: 4,454,488 and
4,616,197.
4.
Typically, equipment utilizing this device requires emissions testing and govern-
ment approval, which is the responsibility of the equipment manufacturer.
5.
Unless noted otherwise, case temperature T
C
= +25°C±2°C.
6.
The design, manufacturing process, and specifications of this device are subject
to change without notice.
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 approximately
equal to 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 the two terminals measured at low
frequency (10 MHz) with a capacitance meter. The measurement includes para-
sitic capacitance with "NC” pads unconnected. Case parasitic capacitance is
approximately 0.05 pF. Transducer parallel capacitance can by calculated as:
C
P
≈
C
O
- 0.05 pF.
Tape and Reel Standard for ANSI / EIA 481.
8.
9.
10.
SM3030-6 Case
3.0 X 3.0
Pb
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相關代理商/技術參數 |
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|---|---|
| RO2156E-2 | 制造商:RFM 制造商全稱:RF Monolithics, Inc 功能描述:Ideal for European 868.95 MHz Transmitters |
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| RO2164A-1 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:868.35 MHz SAW Resonator |
| RO2164A-2 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:868.35 MHz SAW Resonator |
| RO2164D | 制造商:RFM 制造商全稱:RF Monolithics, Inc 功能描述:868.35 MHz SAW Resonator |
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