|
Model |
HCD311 |
|
Frequency |
4 to 50MHz |
|
Output |
HCMOS, max. 50pF load |
|
Frequency Ageing Rate per
day, at despatch
|
±5x10-9 |
| Frequency Ageing Rate
per month |
±8x10-8
after 30 days continuous operation, 10MHz |
|
Projected Ageing Rate per year |
<5x10-7 |
|
Operating Temperature Range |
Standard -20 to +60oC,
options from -40oC up to +70oC |
|
Temperature Stability |
±5x10-8 over -20oC
to +60oC |
|
Stability With Supply Voltage |
<1x10-7 for 5%
change, frequency control voltage constant |
| Phase Noise |
Offset |
Typical values |
| (data for 10MHz
quoted) |
10Hz |
-110dBc/Hz |
|
100Hz |
-130 |
|
1kHz |
-145 |
|
50kHz |
-150 |
|
10kHz |
-150 |
|
Warm-Up Error |
±5x10-8 of final
frequency after 10mins at +25oC |
|
Frequency Adjustment,
(electrical only), +0.5 to 6.0V, stabilised output provided |
2x10-5 total span
(fundamental crystal), reduced tuning span with overtone crystal. |
|
Sufficient
for minimum of 10 years ageing |
|
Power Supply |
12 and 24V standard options,
other options from 12-30V possible
|
|
Power Consumption |
4.5W maximum at switch on |
|
Typically
<1.0W when stabilised at +25oC |
|
Dimensions (max) |
36.1mm long
|
|
27.2mm
wide |
|
15.0mm
high |
|
Shock |
IEC 68-2-27 Test Ea. 50G for
11mS |
|
Vibration |
IEC 68-2-06 Test Fc. 10-55 Hz,
1.5mm
|
|
55-500Hz,
10G |
|
Storage Temperature |
-40 to +90oC |
|
Humidity |
>90% non-condensing, sealed
package |
|
|
| 5V
supply version of HCD311 available, see model HCD301 |
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