17 September 1997

Specification for monolithic crystal filter:

M Q F 2 1 . 4 - 4 6 0 0 / 0 3

1. General

1.1. Package:

1.2.

Type name:

MQF 21.4-4600/03

1.3.

Number of poles:

6

1.4.

Operating temperature range:

-20°C to +70°C

1.5.

Storage temperature range:

-55°C to +85°C

2.

Electric values

2.1.

Nominal centre frequency fo:

21.4 MHz

2.2.

Pass band

2.2.1. Centre frequency fc:

21.4 MHz  650 Hz

2.2.2. Bandwidth between 3 dB - frequencies:

 fc  23 kHz

2.2.3. Ripple:

 2.0 dB at fc  18.0 kHz

2.2.4. Insertion loss:

 3.0 dB

( measured on smallest attenuation in pass band )

2.3.

Stop band

2.3.1. fo  120 kHz....... 300 kHz

 70 dB

2.3.2. fo  300 kHz....... 20 MHz

 80 dB

2.3.3. Spurious responses:

 55 dB

2.4.

Terminating impedance ( input and output ):

2700  // -0.5 pF

3.

Marking:

manufacturer, date code

21.4-4600/03

4.

Environment conditions:

Corresponding to Vectron standard CF001

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Edited by:

date: _____________________________ name: ______________________________