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QF172955-3500-07V1 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Specification for crystal filter
Specification for crystal filter:
1. General
1.1. Package:
QF 172.955-3500/07V1
02 July 2009
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range:
1.5. Operable temperature range:
QF 172.955-3500/07V1
4
-20°C to +70°C
-40°C to +85°C
2. Electric values
2.1. Nominal centre frequency fo:
172.955 MHz
2.2. Pass band
2.2.1. Bandwidth between 3 dB - frequencies:
2.2.2. Ripple:
2.2.3. Group delay distortion:
2.2.4. Insertion loss:
( measured on smallest attenuation in pass band )
≥ fo ± 20 kHz
≤ 2.0 dB at fo ± 17.5 kHz
≤ 25 µs at fo ± 20 kHz
≤ 7 dB
2.3. Stop band
2.3.1. fo ± 80 kHz
2.3.2. fo ± 455 kHz
2.3.3. Alternate attenuation:
2.3.4. Spurious responses:
≥ 40 dB
≥ 55 dB
≥ 55 dB
≥ 20 dB
2.4. Terminating impedance ( input and output ):
50 Ω // 0 pF
2.5. Nominal drive level:
2.6. Maximum allowed drive level:
< 0 dBm
15 dBm
2.7 Intermodulation
frequency 1: 173.055
frequency 2: 173.155
input power: 0 dBm
IM:
> 58 dB
3. Marking on the package:
manufacturer, date code
QF 172.955-3500/07V1
4. Environment conditions:
Corresponding to Telefilter CF001
______________________________________________________________________________________
Edited by:
date: _________________
Name: __________________________