Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
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03 Mar 2000
12V OCXO Fast Warm Up
HCD665SC & HCD666SC
25.00
(max)
1.00
51.00 (max)
41.00
(max)
3
2
1
4
5
PIN
1
2
3
4
5
CONNECTION
Ground
Freq adjustment
Ref voltage out
Supply
RF output
21.00
21.00
32.00
VOLTAGE CONTROL
3
2
1
10k multi-turn
1k
BOTTOM VIEW
5.00
Features
Fast warm up
Standard European pin-out
High performance
SC cut overtone crystal
Custom options available
Product name + option codes (if any) + frequency
eg: HCD665SC 10.0MHz
HCD666SC 5.0MHz
Option code X (eg HCD665SC/X) denotes a custom spec.
Ordering Information
Scale 1:1
Option
Codes
665SC
666SC
Product
Parameters
Standard.
Optional - Please specify required code(s) when ordering
Specifications
HCD665SC: Sine wave output
HCD666SC: HCMOS / TTL output
Frequency range:
4.0 ~ 16.0MHz
(5.0 & 10.0MHz are standard)
Frequency stability:
2x10
-10
/ day at despatch
2x10
-8
/ year max
1x10
-9
per 10% change in V
DD
5x10
-10
per 10% change in load
Short term stability (1 sec):
5x10
-12
(5.0MHz)
1x10
-11
(10.0MHz)
Temperature stability:
3x10
-9
over -20 to +70C
Operating temperature range:
-20 to +70C
Other options from -40C
specify
Storage temperature range:
-40 to +90C
Output waveform:
Sine wave, 7dBm (1dBm) into 50
Other options to +13dBm into 50
specify
HCMOS / TTL compatible
Frequency adjustment:
5x10
-7
typ, +0.5 to +7.0V
(sufficient for 10 years ageing min)
Stabilised +7.0V supply provided
Supply voltage (V
DD
):
+12.0V (0.5V)
Other options from 12~30V
specify
Power consumption:
10.0W max at switch on
1.3W typ when stabilised at 25C
Warm up:
1x10
-8
after 4.5mins at -20C
1x10
-8
after 2.25mins at +25C
Phase noise (@ 10.0MHz):
< -130dBc/Hz @ 10Hz
< -145dBc/Hz @ 100Hz
< -155dBc/Hz @ 1kHz
< -158dBc/Hz @ 10kHz
< -160dBc/Hz @ 50kHz
Shock:
IEC 68-2-27 Test Ea
50G for 11ms
Vibration:
IEC 68-2-06 Test Fc
10-55Hz, 1.5mm. 55-500Hz, 10G
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