|
Model |
HCD180 |
|
Frequency |
4 to 20MHz |
|
Output |
HCMOS, TTL compatible |
|
Frequency Ageing Rate per
day, at despatch
|
5x10-9 |
|
Projected Ageing Rate per year |
<5x10-7 |
|
Operating Temperature Range |
Standard -20 to +60oC |
|
Temperature Stability |
±5x10-8 over -20oC
to +60oC |
|
Stability With Supply Voltage |
<1x10-7 for 5%
change in oven supply or 1% change in oscillator supply, 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 typical,
sufficient for minimum of 10 years ageing |
|
Power Supply |
Oven supply: 12 & 24V DC
standard, other options from
|
|
9-30V
possible. Oscillator supply: 4.5 to 5.5V DC |
|
Power Consumption |
4.5W maximum at switch on,
typically 1.0W when stabilised at |
|
+25oC.
Oscillator 40mA max |
|
Dimensions (max) |
45.5mm long
|
|
36.2mm
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 |
|
|
| Version
of HCD180 available with only single power supply (9-30V range), HCD190. |
| Sine
output version of HCD180 available as HCD170 using single power supply. |
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