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RO2001

更新时间： 2024-09-26 23:33:11
品牌 Logo 应用领域
其他 - ETC 晶体谐振器模拟IC
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2页 261K
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Analog IC

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RO2001 数据手册

 浏览型号RO2001的Datasheet PDF文件第2页 
RO2001  
•
•
•
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Ideal for Baseband CATV Downconverter LOs  
True One-Port Configuration  
Quartz Stability  
567.15 MHz  
SAW  
Resonator  
Rugged, Hermetic, Low-Profile TO39 Case  
The RO2001 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  
567.15 MHz. Although it is suitable for a wide variety of oscillator applications, this resonator is designed for  
the second LO in CATV downconverters with the high IF at 612 MHz and the output at 45 MHz (baseband).  
Absolute Maximum Ratings  
Rating  
Value  
+10  
Units  
dBm  
VDC  
°C  
CW RF Power Dissipation  
DC Voltage Between Terminals  
Case Temperature  
±30  
-40 to +85  
TO39-3 Case  
Electrical Characteristics  
Characteristic  
Absolute Frequency  
Sym  
Notes  
Minimum  
Typical  
Maximum  
Units  
Center Frequency at 25 °C  
f
567.050  
576.250  
MHz  
C
2, 3, 4, 5  
Tolerance from 567.150 MHz  
Df  
±100  
7.0  
kHz  
dB  
C
Insertion Loss  
Quality Factor  
IL  
6.0  
9,600  
4,800  
71  
2, 5, 6  
5, 6, 7  
Unloaded Q  
Q
U
50 W Loaded Q  
Q
L
Temperature Stability  
Turnover Temperature  
Turnover Frequency  
T
f
56  
1.0  
0.8  
86  
°C  
O
f + 44  
6, 7, 8  
kHz  
O
c
2
Frequency Temperature Coefficient  
Absolute Value during the First Year  
FTC  
|fA|  
0.037  
ppm/°C  
Frequency Aging  
£10  
ppm/yr  
MW  
W
1
5
DC Insulation Resistance between Any Two Pins  
RF Equivalent RLC Model  
Motional Resistance  
R
L
100  
269.397  
0.292315  
1.1  
124  
1.4  
M
Motional Inductance  
µH  
5, 7, 9  
M
Motional Capacitance  
C
fF  
M
O
Pin 1 to Pin 2 Static Capacitance  
Transducer Static Capacitance  
C
5, 6, 9  
5, 6, 7, 9  
2, 7  
pF  
C
0.8  
pF  
P
Test Fixture Shunt Induc-  
Lid Symbolization  
L
72  
nH  
TEST  
RFM RO2001  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
1.  
2.  
Frequency aging is the change in fC with time and is specified at +65°C or less.  
to change without notice.  
Derived mathematically from one or more of the following directly measured  
parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.  
The turnover temperature, TO, is the temperature of maximum (or turnover) fre-  
quency, fO. The nominal center frequency at any case temperature, TC, may be  
7.  
8.  
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, fC, is measured at the minimum insertion loss point,  
ILMIN, with the resonator in the 50 W test system (VSWR £ 1.2:1). The shunt  
inductance, LTEST, is tuned for parallel resonance with CO at fC. Typically, fOS-  
CILLATOR or fTRANSMITTER is less than the resonator fC.  
calculated from: f = fO [1 - FTC (TO -TC)2].  
This equivalent RLC model approximates resonator performance near the reso-  
nant frequency and is provided for reference only. The capacitance CO is the  
9.  
3.  
4.  
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 TC = +25°C±2°C.  
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 applications  
(with ground connected to either pin 1 or pin 2 and to the case), add approxi-  
mately 0.25pF to CO.  
5.  
6.  
The design, manufacturing process, and specifications of this device are subject  
RF Monolithics, Inc.  
RFM Europe  
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  
RO2001-102199  
Page 1 of 2  
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.  
12

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