RO2081A RFM [RF Monolithics, Inc], RO2081A Datasheet

RO2081A

Manufacturer Part Number

RO2081A

Description

325.05 MHz SAW Resonator

Manufacturer

RFM [RF Monolithics, Inc]

Datasheet

1.RO2081A.pdf (2 pages)

Current page: 1 of 2
Download datasheet (108Kb)

RF Monolithics, Inc.

RFM Europe

•

The RO2081A 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 oscillators and low

power AM transmitters operating at 325 MHz.

security alarms for us in Israel.

Absolute Maximum Ratings

Electrical Characteristics

CW RF Power Dissipation

DC Voltage Between Terminals (Observe ESD Precautions)

Case Temperature

Soldering Temperature (10 seconds / 5 cycles max.)

Frequency (+25 °C)

Insertion Loss

Quality Factor

Temperature Stability

Frequency Aging

DC Insulation Resistance between Any Two Terminals

RF Equivalent RLC Model

Test Fixture Shunt Inductance

Lid Symbolization (in Addition to Lot and/or Date Code)

Frequency aging is the change in f

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.

The center frequency, f

inductance, L

CILLATOR

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

4,616,197.

Typically, equipment utilizing this device requires emissions testing and govern-

ment approval, which is the responsibility of the equipment manufacturer.

Unless noted otherwise, case temperature T

The design, manufacturing process, and specifications of this device are subject

to change without notice.

Derived mathematically from one or more of the following directly measured

parameters: f

Ideal for 325 MHz Remote-Control Transmitters

Very Low Series Resistance

Quartz Stability

Surface-Mount, Ceramic Case with 21 mm

Complies with Directive 2002/95/EC (RoHS)

MIN

Notes:

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

, with the resonator in the 50

or f

TRANSMITTER

TEST

, IL, 3 dB bandwidth, f

Phone: (972) 233-2903

Phone: 44 1963 251383

, is tuned for parallel resonance with C

, is measured at the minimum insertion loss point,

is approximately equal to the resonator f

Characteristic

Rating

Nominal Frequency

Tolerance from 325.050 MHz

Unloaded Q

Turnover Temperature

Turnover Frequency

Frequency Temperature Coefficient

Absolute Value during the First Year

Motional Resistance

Motional Inductance

Motional Capacitance

Shunt Static Capacitance

with time and is specified at +65°C or less.

test system (VSWR

versus T

Loaded Q

= +25°C±2°C.

, and C

Typical applications include remote-control and wireless

at f

1.2:1). The shunt

. Typically, f

Fax: (972) 387-8148

Fax: 44 1963 251510

Footprint

OS-

Sym

FTC

|fA|

TEST

-40 to +85

Value

±30

260

Turnover temperature, T

quency, f

lated from: f = f

equal to the specified resonator T

This equivalent RLC model approximates resonator performance near the reso-

nant frequency and is provided for reference only. The capacitance C

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:

2, 3, 4, 5

5, 6, 7, 9

Notes

2, 5, 6

5, 6, 7

6, 7, 8

2, 7

- 0.05 pF.

. The nominal frequency at any case temperature, T

Units

dBm

VDC

Minimum

324.900

°C

[1 - FTC (T

1.0

2.3

, is the temperature of maximum (or turnover) fre-

-T

189

E-mail: info@rfm.com

http://www.rfm.com

RO2081A-061901

)

109.341

2.19259

Typical

14,600

2,000

0.032

]. Typically oscillator T

1.2

2.6

325.05 MHz

Resonator

RO2081A

SM-2 Case

SAW

Maximum

325.200

±150

2.2

2.9

is approximately

, may be calcu-

ppm/°C

ppm/yr

Page 1 of 2

Units

MHz

kHz

µH

°C

is the

Related parts for RO2081A

RO2081A Summary of contents

Page 1

... Surface-Mount, Ceramic Case with 21 mm • Complies with Directive 2002/95/EC (RoHS) The RO2081A 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 oscillators and low power AM transmitters operating at 325 MHz. security alarms for us in Israel. ...

Page 2

... E 0.83 1.20 0.033 F 1.16 1.53 0.046 G 0.94 1.10 0.037 H 0.43 0.59 0.017 K 0.43 0.59 0.017 M 5.08 5.33 0.200 N 0.38 0.64 0.015 P 3.05 3.30 0.120 E-mail: info@rfm.com http://www.rfm.com RO2081A-061901 + 0.05 pF *Case Parasitics -50 -100 -150 -200 0 +20 +40 +60 + ° Inches Max 0.236 0.157 0.085 0.043 0.047 0.060 0.043 0.023 0.023 0.210 ...

Related keywords

RO2081A datasheet
RO2081A data sheet
RO2081A pdf datasheet
RO2081A component
RO2081A part
RO2081A distributor
RO2081A RoHS
RO2081A datasheet download