Tel

:

+44 118 979 1238

Fax :

+44 118 979 1283

Email: info@actcrystals.com

In keeping with our ongoing policy of product evolvement and improvement, the above specification is subject to change without notice.

ISO9001: 2000 Registered

-

Registration number 6830/2

For quotations or further information please contact us at:

3 The Business Centre, Molly Millars Lane, Wokingham, Berks, RG41 2EY, UK

http://www.actcrystals.com

2 OF 3

5.Typical Frequency Response

6.Temperature Characteristics

7.Performance

7-1.Maximum Ratings

Rating

Value

Units

CW RF Power Dissipation

0

dBm

DC Voltage Between Terminals

±30V

VDC

Case Temperature

-40 to +85

°C

Soldering Temperature

+250

°C

7-2.Electronic Characteristics

Characteristic

Sym

Minimum

Typical

Maximum

Units

Absolute Frequency

317.925

318.075

MHz

Centre Frequency

(+25

°C)

Tolerance from 318.000 MHz

∆f

C

±75

kHz

Insertion Loss

IL

1.5

2.2

dB

Unloaded Q

13,780

Quality Factor

50

Ω Loaded Q

2,200

Turnover Temperature

25

55

°C

Turnover Frequency

kHz

Temperature

Stability

Frequency Temperature Coefficient

FTC

0.03

ppm/

Frequency Aging

Absolute Value during the First Year

|fA|

≤10

ppm/yr

DC Insulation Resistance Between Any Two Terminals

1.0

M

Ω

Motional Resistance

19

29

Ω

Motional Inductance

131.0940

µH

Motional Capacitance

1.9127

fF

RF Equivalent

RLC Model

Shunt Static Capacitance

2.20

2.45

2.70

pF

Issue : 1 C1

Date : SEPT 04