tel: +44 1460 256 100 fax: +44 1460 256 101 e-mail: sales@golledge.com web: www.golledge.com
15 jun 2001 -30 to +85c -20 to +70c -10 to +60c 0 to +50c
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0 7 7 ? wide frequency range ? industry standard pin-out ? custom options available product name + variant + option codes + frequency eg: gtxo-420h/jcn 44.7360mhz 2.5ppm -10+60c gtxo-420t/fri 19.440mhz 1.0ppm 0+50c option code x (eg gtxo-420h/x) denotes a custom spec.
scale 1:1 gtxo-420h: standard drive hcmos / ttl output gtxo-420t: high drive hcmos / ttl output option codes ht variant parameters standard. optional - please specify required code(s) when ordering 3.0 kw kn kc kr 2.5 jw jn jc jr 2.0 hw hn hc hr 1.5 - gn gc gr 1.0 - fn fc fr 0.5 - - ec er the table shows option codes for the available combinations of frequency stability (in ppm) and temperature range. some combinations may not be available at certain frequencies. photo not available frequency range: 1.0 ~ 120mhz 1.0 ~ 50mhz output waveform: hcmos / ttl driving ability: 15pf hcmos / 2 ttl (<50.0mhz) 50pf hcmos / 10 ttl (<50.0mhz) 50pf hcmos / 10 ttl (>50.0mhz) logic levels: ?0? = +0.5v max, ?1? = +4.5v min ?0? = +0.4v max, ?1? = +2.4v min rise / fall time: 10ns max waveform symmetry: 40:60 max @ 2.5v 40:60 max @ 1.4v frequency stability: 3.0ppm k 2.5ppm j 2.0ppm h 1.5ppm g 1.0ppm f 0.5ppm e temperature range: 0 to +50c r -10 to +60c c -20 to +70c n -30 to +85c w storage temperature range: -40 to +85c frequency vs supply voltage: 0.1ppm / v max ageing: 1.0ppm max per year supply voltage (v dd ): +5.0v (5%) +5.0v ~ 13v (5%) specify supply current: 20ma max (<20.0mhz) 30ma max (20.0~50.0mhz) 50ma max (>50.0mhz) frequency adjustment: none n 3ppm min by internal trimmer i 5ppm, 2.5v 2.5v v 5ppm by external potentiometer p 5ppm by variable resistor r
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