|
Model |
HCD351AT |
|
Frequency |
5 & 10MHz standard
frequencies, other frequencies in range 4-20MHz by request |
|
Output |
HCMOS, 50pF load, duty cycle 45
to 55% |
|
Frequency Ageing Rate per
day, at despatch
|
<±1x10-9 |
|
Projected Ageing Rate per year |
<±1x10-7 |
|
Operating Temperature Range |
Standard -20oC to +70oC,
(options possible from -40oC)
|
|
Temperature Stability |
<±2x10-8 over -20oC
to +70oC |
|
Stability With Supply Voltage |
<5x10-9 for 5%
change |
| Short Term Stability
(1 sec) |
<5x10-11 |
| Phase Noise |
Offset |
Typical values |
| (data for 10MHz
quoted) |
10Hz |
<-110dBc/Hz |
|
100Hz |
<-130dBc/Hz |
|
1kHz |
<-145dBc/Hz |
|
50kHz |
<-150dBc/Hz |
|
10kHz |
<-153dBc/Hz |
|
Warm-Up Error |
±2x10-8 of final
frequency after <8 minutes at 20oC |
|
Frequency Adjustment,
(electrical only), +0.5 to 4.0V, stabilised output provided |
Suitable for 10+ years life, 15
years typical |
|
±1.0ppm
minimum, positive slope |
|
Power Supply |
+5V DC ±0.25V
|
|
Power Consumption |
5W max. at switch on
|
|
Typically
1.2W when stabilised at +25oC |
|
Dimensions (max) |
36.1mm
long
|
|
27.2mm
wide |
|
19.4mm
high |
|
Shock |
European Standard IEC 679-3,
CO-08 |
|
IEC
68-2-27 Test Ea, 50g for 11ms |
|
Vibration |
IEC 68-2-06 Test Fc, 10-55Hz,
1.5mm
|
|
55-500Hz,
10g |
|
Storage Temperature |
-45 to +90oC |
|
Humidity |
>90% non-condensing, solder
sealed package |
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