Space TCXO – Temperature Compensated Crystal Oscillator

General Specification (rev1)

December 5th, 2007

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Performance Characteristics

Electrical Parameters

Unit

Minimum

Typical

Maximum

Frequency output (SMA Connector)

Nominal frequency range

MHz

10

40

150

Output level (50 Ω

Ω

Ω

Ω load)

dBm

0

5

Harmonics level

dBc

– 35

Spurious (offset > 50 Hz)

dBc

– 80

Phase noise in static conditions @ 100 MHz

@ 1 Hz offset

dBc/Hz

–50

@ 10 Hz offset

dBc/Hz

–80

@ 100 Hz offset

dBc/Hz

– 115

@ 1 kHz offset

dBc/Hz

– 135

@ 10 kHz offset or greater

dBc/Hz

– 150

Free running mode (Vctrl pin NC)

Initial setting

ppm

0.5

Stability vs. temperature (range 1)

ppm

±0.5

±1.0

Stability vs. temperature (range 2)

ppm

±1.0

±2.0

Stability vs. 5 % supply voltage variation

ppm

±0.05

Stability vs. 10 % load variation

ppm

±0.2

Aging over first year

ppm

1

Aging over 15 years

ppm

7.5

Supply voltage (Vcc pin)

Voltage range

4.75

5

12.6

Supply power @ 25 °C under vacuum

W

0.25