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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.

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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

Electronic Characteristics

Reference temperature:

Terminating source impedance:

Terminating load impedance:

Item

min.

typ.

max.

Unit

Insertion attenuation

IL

Reference level for

the following data

37.40

MHz

16.5

18.0

19.5

dB

Relative attenuation

α

rel

Picture carrier

38.90

MHz

6.5

7.5

8.5

dB

Colour carrier

34.47

MHz

1.0

2.0

3.0

dB

Sound carrier

32.40

MHz

15.5

17.0

18.5

dB

33.40

MHz

16.7

18.2

—

dB

Adjacent picture carrier

30.90

MHz

46.0

58.0

—

dB

31.90

MHz

25.0

35.0

—

dB

Adjacent sound carrier

40.40

MHz

28.0

38.0

—

dB

41.40

MHz

40.0

50.0

—

dB

Lower sidelobe

25.00 ... 30.90

MHz

32.0

40.0

—

dB

Upper sidelobe

40.40 ... 45.00

MHz

28.0

36.0

—

dB

Reflected wave signal suppression

1.2

μs ... 6.0 μs after main pulse

(test pulse 250 ns,

carrier frequency 37.40 MHz)

42.0

54.0

—

dB

Feed-through signal suppression

1.2

μs ... 1.1 μs before main pulse

(test pulse 250 ns,

carrier frequency 37.40 MHz)

50.0

56.0

—

dB

Group delay pre-distortion

Δ

τ

(reference frequency 38.90 MHz)

36.90

MHz

—

–55

—

ns

34.47

MHz

—

45

—

ns

Temperature coefficient of frequency

—

–72

—

ppm/K

Issue : 1 C1

Date : SEPT 04