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

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

Centre Frequency

fc

479.00

480.00

481.00

MHz

Insertion attenuation

480.00 MHz

α

(Reference level for the following data)

--

21.5

23.5

dB

Pass bandwidth

--

8.0

--

MHz

Relative attenuation

476.00 MHz

484.00 MHz

Lower sidelobe

410.00 ….465.00 MHz

Upper sidelobe

491.50 … 499.00 MHz

499.00 … 550.00 MHz

--

--

37.0

34.0

38.0

3.0

2.6

45.0

41.0

47.0

5.4

5.3

--

--

--

dB

dB

dB

dB

dB

Reflected wave signal suppression

0.19

μs … 2.0μs after main pulse

40.0

46.0

--

dB

Amplitude ripple (p-p)

478.00 … 482.00 MHz

Δ α

--

0.7

1.5

dB

Group delay ripple (p-p)

476.00 … 484.00 MHz

Δ

τ

--

13

18

ns

Temperature coefficient of frequency

--

-86

--

ppm/K

Issue : 1 C1

Date : SEPT 04