Datasheet > RO2002

RO2002

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
页数	文件大小	规格书
2页	263K
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Analog IC

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RO2002 数据手册

RO2002

•

Ideal for Channel 2 CATV Downconverter LOs

True One-Port Configuration

Quartz Stability

668.15 MHz

SAW

Resonator

Rugged, Hermetic, Low-Profile TO39 Case

The RO2002 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

668 MHz. Although it is suitable for a wide variety of oscillator applications, this resonator is designed spceif-

ically for the second LO in CATV downconverters with the high IF at 612 MHz and the output at 57 MHz

(channel 2).

Absolute Maximum Ratings

Rating

Value

Units

dBm

VDC

°C

CW RF Power Dissipation (See: Typical Test Circuit)

DC Voltage Between Any Two Pins (Observe ESD Precautions)

Case Temperature

±30

-40 to +85

TO39-3 Case

Electrical Characteristics

Characteristic

Sym

Notes

Minimum

Typical

Maximum

Units

Center Frequency (+25 °C)

Absolute Frequency

668.050

668.250

MHz

2, 3, 4, 5

Tolerance from 668.150 MHz

±100

7.0

kHz

Insertion Loss

Quality Factor

2, 5, 6

5, 6, 7

6.0

9,380

4,800

Unloaded Q

50 W Loaded Q

Temperature Stability

Turnover Temperature

Turnover Frequency

1.0

0.7

°C

f + 29

6, 7, 8

kHz

Frequency Temperature Coefficient

Absolute Value during the First Year

FTC

|fA|

0.037

ppm/°C

Frequency Aging

£10

ppm/yr

DC Insulation Resistance between Any Two Pins

RF Equivalent RLC Model

Motional Resistance

100

223.434

0.253947

1.0

124

1.3

Motional Inductance

5, 7, 9

µH

Motional Capacitance

Pin 1 to Pin 2 Static Capacitance

Transducer Static Capacitance

5, 6, 9

5, 6, 7, 9

2, 7

0.7

Test Fixture Shunt Induc-

Lid Symbolization

TEST

RFM RO2002

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

Notes:

1. Frequency aging is the change in f_Cwith time and is specified at +65°C or less.

7. Derived mathematically from one or more of the following directly measured

parameters: f_C, IL, 3 dB bandwidth, f_Cversus T_C, and C_O.

8. 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_Ois 20°C less than

the specified resonator T_O.

9. This equivalent RLC model approximates resonator performance near the reso-

nant frequency and is provided for reference only. The capacitance C_Ois the

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.

2. The center frequency, f_C, is measured at the minimum insertion loss point, IL_MIN

with the resonator in the 50 W test system (VSWR £ 1.2:1). The shunt induc-

tance, L_TEST, is tuned for parallel resonance with C_Oat f_C. Typically, f_OSCILLA-

_TORor f_TRANSMITTERis less than the resonator f_C.

3. One or more of the following United States patents apply: 4,454,488 and

4,616,197 and others pending.

4. Typically, equipment designs utilizing this device require emissions testing and

government 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.

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.

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

RO2002-102199

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RO2003	ETC	获取价格	Analog IC
RO200BF2A102	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 1000 ohm, ROHS COMPLIANT
RO200BF3B102	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 1000 ohm, ROHS COMPLIANT
RO200BF5A202	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 2000 ohm, ROHS COMPLIANT
RO200BF5B102	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 1000 ohm, ROHS COMPLIANT
RO200BF5B103	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 10000 ohm, ROHS COMPLIANT
RO200BF5E102	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 1000 ohm, ROHS COMPLIANT
RO200BF6B202	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 2000 ohm, ROHS COMPLIANT
RO200BF6C102	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 1000 ohm, ROHS COMPLIANT
RO200BF6E103	VISHAY	获取价格	RESISTOR, POTENTIOMETER, CONDUCTIVE PLASTIC, 1 TURN(S), 1.2 W, 10000 ohm, ROHS COMPLIANT

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