Oven Controlled Oscillators (OCXO)
Oven Controlled Oscillators (OCXO) Oven Controlled Oscillators (OCXO)
FREQUENCY CONTROL PRODUCTS DIL 14 MINIATURE OCXO TYPES DFO 14-KH (5 V) & DFO 14-LH (3.3 V) FEATURES 10 to 30 MHz Small size and tight stability APPLICATIONS Instrumentation, reference Function DFO 14 N.C. or V. control 1 GND 7 Output 8 Vcc 14 TYPE DFO 14-KH DFO 14-LH Frequency Range 10 to 30 MHz Standard frequencies 12.8, 16.384, 19.44 & 20 MHz ELECTRICAL SPECIFICATIONS supply voltage 5 V ± 5 % 3.3 V ± 5 % supply current (no load) @ 25°C ≤ 250 mA ≤ 300 mA supply current during warm up ≤ 500 mA ≤ 800 mA output load HCMOS 15 pF or 2 TTL HCMOS 15 pF or 2 TTL duty cycle @ 2.5 V 40/60...60/40 % 40/60...60/40 % rise & fall times (10 to 90%) ≤ 10 ns ≤ 10 ns high/low levels ≥ 4.5 V/≤ 0.5 V ≥ 2.7 V/≤ 0.5 V SSB phase noise (1 Hz BW) @ 10 Hz -95 dBc/Hz -95 dBc/Hz (typical @ 12.8MHz) @ 100 Hz -120 dBc/Hz -120 dBc/Hz @ 1kHz -140 dBc/Hz -140 dBc/Hz @ 10 kHz -145 dBc/Hz -145 dBc/Hz @100kHz -150 dBc/Hz -150 dBc/Hz H = 8.8 mm warm up time to reach ≤ 1 x 10E-7 ≤ 5 min @ 25°C ref @ 1 hr frequency ≤ 5 min @ 25°C ref @ 1 hr frequency FREQUENCY STABILITY detailed tolerances type temperature range model code temperature stability versus : ageing/day ageing/ 1 Calibration st year short term @ 25°C -20 to 70°C C1727 ≤ ± 1 x 10 E -7 ≤ 2 x 10 E -7 -20 to 70°C C1757 ≤ ± 1 x 10 E -7 ≤ 5 x 10 E DFO 14 -7 -20 to 70°C C2757 ≤ ± 2 x 10 E ≤ 1.5 x 10 -7 E -8 ≤ 5 x 10 E ≤ 1 x 10 -7 E -10 ≤ ± 0.5 x 10 E -6 stability versus supply voltage ≤ 1 x 10 E -8 for Vcc ± 5 % OPTIONS CODE external voltage V 2.5 V ± 2.25 V ≥ ± 2 ppm, positive slope 1.65 V ± 1.5 V ≥ ± 2 ppm, positive slope ORDERING CODE type + option code + frequency + model code + voltage value Example DFO 14-LH 20 MHz C1727 TYPE DFO 14-KH/LH REVISION 02 CHECKED NE DATE 13.12.2005 PAGE xx PIN 1 12.7±0.1 H±0.1 6.3 7.62 0.45 20.3±0.1 15.24 0.75±0.1
FREQUENCY CONTROL PRODUCTS STRATUM III & IIIE OCXO TYPES DFO 20-KH (5 V) & DFO 20-LH (3.3 V) FEATURES 10 to 25 MHz Stratum IIIE compliant over -40 to 85°C Stratum III compliant over -40 to 85°C APPLICATIONS Stratum III & Stratum IIIE Function DFO 20 Vcc 1 Output 2 GND 3 N.C. 4 N.C. 5 TYPE DFO 20-KH DFO 20-LH Frequency Range 10 to 25 MHz Standard frequencies 12.8, 16.384, 19.44 20 & 25 MHz ELECTRICAL SPECIFICATIONS supply voltage 5 V ± 5 % 3.3 V ± 5 % supply current (no load) @ 25°C ≤ 250 mA ≤ 300 mA supply current during warm up ≤ 500 mA ≤ 800 mA output load HCMOS 15 pF or 2 TTL HCMOS 15 pF or 2 TTL duty cycle @ 2.5 V 40/60...60/40 % 40/60...60/40 % rise & fall times (10 to 90%) ≤ 10 ns ≤ 10 ns high/low levels ≥ 4.5 V/≤ 0.5 V ≥ 2.7 V/≤ 0.5 V SSB phase noise (1 Hz BW) @ 1 Hz -95 dBc/Hz -95 dBc/Hz (typical @ 12.8MHz) @ 10 Hz -120 dBc/Hz -120 dBc/Hz @ 100 Hz -140 dBc/Hz -140 dBc/Hz @ 1 kHz -145 dBc/Hz -145 dBc/Hz warm up time to reach ≤ 1 x 10E-7 ≤ 5 min @ 25°C ref @ 1 hr frequency ≤ 5 min @ 25°C ref @ 1 hr frequency FREQUENCY STABILITY detailed tolerances after 30 days of operation type temperature range model code stability versus: temperature Vcc ± 5 % ageing overall stability Holdover stability 24 hrs drift calibration @ 25°C Telcordia GR-1244 CORE Stratum III/IIIE or ITU-T G.813 option 1 all types DEFINITIONS -20 to 70°C CS3 -40 to 85°C ES3 0 to 70°C BS3E -40 to 85°C ES3E ≤ ± 0.28 ppm ≤ ± 1 x 10E-8 ≤ ± 1 x 10E-8 ≤ ± 2.5 x 10E-9 ≤ ± 3.5 ppm/ 15 years ≤ ± 3.5 ppm/ 15 years ≤ ± 4.6 ppm/ 15 years ≤ ± 4.6 ppm/ 15 years ≤ ± 0.37 ppm ≤ ± 12 x 10E-9 ≤ ± 4 x 10E-8 ≤ ± 1 x 10E-9 ≤ ± 5 x 10E-7 ≤ ± 5 x 10E-7 24 hours drift GR-1244-CORE 24 hours holdover mode Over full temperature range and Vcc ± 1 % (CS3 & ES3), and Vcc ± 0.25 % (BS3E) ORDERING CODE type + option code + frequency + model code + voltage value Example DFO 20-LH 12.8 MHz BS3E TYPE DFO 20 SIII REVISION 03 CHECKED NE DATE .18.10.2007 PAGE xx 20.3±0.1 H 5.1 15.24 0.45 1 2 5 20.3±0.1 7.62 7.62 3 4 0.4±0.1 H = 11mm
- Page 1 and 2: OCXO's Oven Controlled Oscillators
- Page 3 and 4: FREQUENCY CONTROL PRODUCTS FEMTO BA
- Page 5: FEATURES 10 MHz Standard package Ve
FREQUENCY CONTROL PRODUCTS<br />
STRATUM III & IIIE <strong>OCXO</strong><br />
TYPES DFO 20-KH (5 V) & DFO 20-LH (3.3 V)<br />
FEATURES<br />
10 to 25 MHz<br />
Stratum IIIE compliant over -40 to 85°C<br />
Stratum III compliant over -40 to 85°C<br />
APPLICATIONS<br />
Stratum III & Stratum IIIE<br />
Function DFO 20<br />
Vcc 1<br />
Output 2<br />
GND 3<br />
N.C. 4<br />
N.C. 5<br />
TYPE DFO 20-KH DFO 20-LH<br />
Frequency Range 10 to 25 MHz<br />
Standard frequencies 12.8, 16.384, 19.44 20 & 25 MHz<br />
ELECTRICAL SPECIFICATIONS<br />
supply voltage 5 V ± 5 % 3.3 V ± 5 %<br />
supply current (no load) @ 25°C ≤ 250 mA ≤ 300 mA<br />
supply current during warm up ≤ 500 mA ≤ 800 mA<br />
output load HCMOS 15 pF or 2 TTL HCMOS 15 pF or 2 TTL<br />
duty cycle @ 2.5 V 40/60...60/40 % 40/60...60/40 %<br />
rise & fall times (10 to 90%) ≤ 10 ns ≤ 10 ns<br />
high/low levels ≥ 4.5 V/≤ 0.5 V ≥ 2.7 V/≤ 0.5 V<br />
SSB phase noise (1 Hz BW) @ 1 Hz -95 dBc/Hz -95 dBc/Hz<br />
(typical @ 12.8MHz) @ 10 Hz -120 dBc/Hz -120 dBc/Hz<br />
@ 100 Hz -140 dBc/Hz -140 dBc/Hz<br />
@ 1 kHz -145 dBc/Hz -145 dBc/Hz<br />
warm up time to reach ≤ 1 x 10E-7 ≤ 5 min @ 25°C ref @ 1 hr frequency ≤ 5 min @ 25°C ref @ 1 hr frequency<br />
FREQUENCY STABILITY detailed tolerances after 30 days of operation<br />
type<br />
temperature<br />
range<br />
model<br />
code<br />
stability versus:<br />
temperature Vcc ± 5 % ageing<br />
overall<br />
stability<br />
Holdover<br />
stability<br />
24 hrs<br />
drift<br />
calibration<br />
@ 25°C<br />
Telcordia GR-1244 CORE Stratum III/IIIE or ITU-T G.813 option 1<br />
all types<br />
DEFINITIONS<br />
-20 to 70°C CS3<br />
-40 to 85°C ES3<br />
0 to 70°C BS3E<br />
-40 to 85°C ES3E<br />
≤ ± 0.28<br />
ppm<br />
≤ ± 1 x<br />
10E-8<br />
≤ ± 1 x<br />
10E-8<br />
≤ ± 2.5 x<br />
10E-9<br />
≤ ± 3.5<br />
ppm/<br />
15 years<br />
≤ ± 3.5<br />
ppm/<br />
15 years<br />
≤ ± 4.6<br />
ppm/<br />
15 years<br />
≤ ± 4.6<br />
ppm/<br />
15 years<br />
≤ ± 0.37<br />
ppm<br />
≤ ± 12 x<br />
10E-9<br />
≤ ± 4 x<br />
10E-8<br />
≤ ± 1 x<br />
10E-9<br />
≤ ± 5 x<br />
10E-7<br />
≤ ± 5 x<br />
10E-7<br />
24 hours drift GR-1244-CORE<br />
24 hours holdover mode Over full temperature range and Vcc ± 1 % (CS3 & ES3), and Vcc ± 0.25 % (BS3E)<br />
ORDERING CODE type + option code + frequency + model code + voltage value<br />
Example DFO 20-LH 12.8 MHz BS3E<br />
TYPE DFO 20 SIII REVISION 03 CHECKED NE DATE .18.10.2007 PAGE xx<br />
20.3±0.1<br />
H<br />
5.1<br />
15.24<br />
0.45<br />
1 2<br />
5<br />
20.3±0.1<br />
7.62 7.62<br />
3<br />
4<br />
0.4±0.1<br />
H = 11mm
Change language