USERS GUIDE
NR2310D-O/G
REVISION
M
DATE
071720
Page #:
6
www.novuspower.com
manufacture than a SC cut device. For applications where a stability of a few
ppm is acceptable, a TCXO can be a cost-effective alternative.
The SC cut results in a much higher Q device and achieves much lower phase
noise than the AT cut. The device is also more sensitive to pressure and
temperature variation and is therefore mounted in a temperature-controlled
hermetic chamber.
Oven-Controlled Crystal Oscillator
An OCXO device affords a reference that is almost two orders of magnitude
more stable than the TCXO. OCXO oven temperature is in the range of 90°C.
The devices heat-up and become stable within ~ 5 minutes.
OCXO Frequency Error from Cold Start
Typical OCXO
-2.00E+02
-1.50E+02
-1.00E+02
-5.00E+01
0.00E+00
5.00E+01
1
13
25
37
49
61
73
85
97
109
121
133
145
157
169
181
193
205
217
229
241
Erro
r
in
H
z
Time in seconds
Frequency Error 1 to 250 seconds