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.

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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

15.7

17.2

18.7

dB

Relative attenuation

α

rel

Picture carrier

38.90

MHz

4.0

5.0

6.0

dB

Colour carrier

34.47

MHz

2.5

3.5

4.5

dB

Sound carrier

32.40

MHz

18.5

20.0

21.5

dB

33.40

MHz

19.5

21.0

—

dB

Adjacent picture carrier

30.90

MHz

46.0

64.0

—

dB

Adjacent sound carrier

40.40

MHz

38.0

50.0

—

dB

41.40

MHz

32.0

45.0

—

dB

Lower sidelobe

25.00 ... 30.90

MHz

33.0

43.0

—

dB

Upper sidelobe

40.40 ... 45.00

MHz

32.0

40.0

—

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)

36.50

MHz

—

–65

—

ns

34.47

MHz

—

0

—

ns

Temperature coefficient of frequency

—

–72

—

ppm/K

Issue : 1 C1

Date : SEPT 04