|
Model |
HCD660SC |
|
Frequency |
5 & 10MHz, other frequencies
in range 4-16MHz by request |
|
Output |
Sine, 0.5V RMS (+7dBm ±1) into
50Ù |
|
Frequency Ageing Rate per
day, at despatch
|
2x10-10 |
|
Option of
1x10-10 for 5MHz |
|
Projected Ageing Rate per year |
<7.5x10
|
|
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 (HCD660SC) |
|
Short Term Stability (1 sec) |
5MHz:
5x10-12 10MHz: 1x10-11 |
| 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 8mins max. at +25oC
|
|
Fast
warm-up version available, HCD665SC |
|
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 |
5W 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 |
|
|
| Fast
warm-up version available, see model HCD665SC |
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