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:

+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

4-2.Electronic Characteristics

Reference temperature:

Terminating source impedance:

Terminating load impedance:

Group delay aperture:

0.25MHz

Characteristics of Channel 1

Characteristic

Min.

Typ.

Max.

Units

Center Frequency

fc

478.50

479.50

480.50

MHz

Insertion attenuation

479.50 MHz

α

(Reference level for the following data)

--

22.0

24.5

dB

Pass bandwidth

--

27.0

--

MHz

Relative attenuation

466.00 MHz

493.00 MHz

Lower sidelobe

430.00 ….455.00 MHz

Upper sidelobe

504.00 … 530.00 MHz

--

--

34.0

34.0

3.2

3.5

39.0

39.0

5.0

5.0

--

--

dB

dB

dB

dB

Reflected wave signal suppression

0.135

μs … 2.0μs after main pulse

40.0

45.0

--

dB

Amplitude ripple (p-p)

471.00 … 488.00 MHz

Δ α

--

0.6

1.2

dB

Group delay ripple (p-p)

466.00 … 493.00 MHz

Δ

τ

--

10

18

ns

Temperature coefficient of frequency

--

-86

--

ppm/K

Issue : 1 C1

Date : SEPT 04