Instruction Manual

GEYER ELECTRONIC Lochhamer Schlag 5 82166 Gräfelfing/München
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24.08.2005
VCXO
Voltage Controlled Crystal Oscillator SMD-version
model
KXO-75
frequency range 1,544 ~ 77,760 MHz
frequency stability
at -10° ~ +60°C
at -20° ~ +70°C
at -40° ~ +85°C
±10 ~ ±50 ppm
±20 ~ ±50 ppm
±30 ~ ±50 ppm
storage temp.range
-40°C ∼ +85°C
operating temp.range
-10°C ∼ +60°C
-40°C ∼ +85°C
symmetry at ½ Vdd level 50% ± 5%
rise and fall time (max.)
20% ~ 80% Vdd level
5 ns
start up time (max.) 10 ms
output level
VOH : 90% of Vdd min.
VOL: 10% of Vdd max.
input voltage (Vdd) 3,3V ± 5%
input current (max.)
no load
1,544 ~ 20,0 MHz = 10mA
20,1 ~ 40,0 MHz = 15mA
40,1 ~ 77,760 MHz = 25mA
output load CMOS 15 pF
control voltage* (Vc) 0 V ~ 3,3 V
pulling range ±10 ~ ±150 ppm min.
frequency linearity max. ± 15%
period jitter: absolut ±100ps max.
period jitter: one sigma ± 10ps max.
lead-free since production start
order no. 12.96700 ~ 12.96799
* Vc should be kept ground level or left open when the VCXO is powered on.
soldering condition
test circuit