|
Model |
HCD666SC |
|
Frequency |
5MHz
and 10MHz, other frequencies in range 4-16MHz by request |
|
Output |
HCMOS |
|
Frequency Ageing Rate per
day, at despatch
|
2x10-10,
5MHz and 10MHz, 1x10-10 option for 5MHz |
|
Projected Ageing Rate per year |
<1.0x10-8 |
|
Operating Temperature Range |
Standard -20 to +70oC,
options down to -40oC possible |
|
Temperature Stability |
<3x10-9 over range
-20 to +70oC |
|
Stability With Supply Voltage |
<2x10-9 for 10%
change |
|
Stability With Load Change |
<5x10-10
for 10% change from 50ohms |
|
Short Term Stability (1 sec)
|
5x10-12,
5MHz, 1x10-11, 10MHz |
| Phase Noise |
Offset |
Typical values |
| (data for 10MHz
quoted) |
10Hz |
-130dBc/Hz |
|
100Hz |
-145 |
|
1kHz |
-155 |
|
50kHz |
-158 |
|
10kHz |
-160 |
| Warm-Up Error |
± 1x10-8
of final frequency after <4.5mins at -20oC |
|
|
± 1x10-8
of final frequency after <2.25mins at +25oC |
|
Frequency Adjustment,
(electrical only), +0.5 to 7.0V, stabilised output provided |
Sufficient for
minimum of 10 years ageing |
|
Positive
slope |
|
Power Supply |
12 and 24V
standard options, |
|
(other
options from 12-30V possible) |
|
Power Consumption |
10W maximum at
switch on |
|
Typically 1.3W
when stabilised at +25oC |
| Harmonics |
<-30dB
wrt carrier |
|
Dimensions (max) |
51mm
long
|
|
41mm wide |
|
25mm 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 |
|
|
| Sine
Wave (HCD660SC and HCD660AT) and HCMOS
(HCD661SC and HCD661AT) versions available with standard warm-up |
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