ACTOCXO25

FEATURES

APPLICATIONS

■

Stabilities to ±0.01PPM ( AT Cut )

■

PCS /Cellular Base Station

■

Low Aging

■

Digital Switching

■

Voltage Controlled Frequency Adjustment

■

Synthesizer

■

Measurement Equipment

■

SC Cut OCXO please enquire

SPECIFICATIONS

Frequency Range

1~160MHz

Frequency Accuracy ( Adjustment 25

°C)

±0.5PPM (Centre control voltage)

Frequency Stability vs Temperature

See Table 1

Aging (AT Cut)

±0.002PPM/day, first year ±0.3PPM, 10 years ±2PPM

(SC Cut)

±0.001PPM/day, first year ±0.1PPM, 10 years ±0.5PPM

Output Type and Load Characteristics

See Table 2

Frequency Stability vs Load

±0.02PPM vs ±10% load change

Supply Voltage

+3.3VDC, +5.0VDC, +12.0VDC

Frequency Stability vs Voltage

±0.02PPM vs ±5% voltage change

Supply Consumption

3.0W (max.) warm-up; 1.2W (max.) static

Warm-up Time (AT Cut)

±0.1PPM, <1 min.

(SC Cut)

±0.03PPM, <1 min.

Adjustable Frequency Range (AT Cut)

±7.0PPM

(SC Cut)

±1.0PPM

Control Voltage Range

0~5V

Slope

Positive

Linearity

±10%

Phase Noise (10MHz)

1Hz, -80dBc/Hz

10Hz, -120dBc/Hz

100Hz, -140dBc/Hz

1kHz, -145dBc/Hz

10kHz, -150dBc/Hz

Storage Temperature Range

-40~+100

°C

FREQUENCY STABILITY vs TEMPERATURE – TABLE 1

( Applies to frequencies < 20MHz & to 5v0 supply. For frequencies > 20MHZ & 12v0 & 3v3 stabilities will be lower –Please enquire )

Frequency Stability vs Temperature

Temperature Range

±0.01PPM (AT Cut)

0 - +50

°C

±0.03PPM (AT Cut)

-20 - +70

°C

±0.05PPM (AT Cut)

40 - +75

°C

OUTPUT TYPE AND LOAD CHARACTERISTIC – TABLE 2

Output

Waveform

Frequency Range

Oscillation State

Output Characteristics

Clipped Sine

Wave

8MHz - 30MHz

10MHz - 100MHz

F: Fundamental

O: Overtone

Load: 10kΩ/10pF

Output level: >1Vp-p

TTL

1MHz - 30MHz

10MHz - 100MHz

F: Fundamental

O: Overtone

Load: Max. 10 low power consumption TTL gates

“1” level: >+2.4VDC; “0” level: <+0.2VDC

Duty cycle: 45/55

Rise/fall time: <6ns

HCMOS

1MHz - 30MHz

10MHz - 100MHz

F: Fundamental

O: Overtone

Load: Max. 10 low power consumption TTL/HCMOS

“1” level: >+4.3VDC; “0” level: <+0.2VDC

Duty cycle: 45/55

Rise/fall time: <6ns

ACMOS

1MHz - 30MHz

10MHz - 100MHz

F: Fundamental

O: Overtone

Load: Max. 10 low power consumption TTL/ACMOS

“1” level: >+4.3VDC; “0” level: <+0.5VDC

Duty cycle: 45/55

Rise/fall time: <6ns

Please note that all parameters cannot necessarily be specified in one device.

Customer to specify : Frequency, Output, Voltage, Stability, and Operating Temperature

In line with our ongoing policy of product improvement and evolvement the above specification may be subject to change without notice

IS9001:2000 Registered –

For quotations or further information, please contact us at :

3 The Business Centre, Molly Millars Lane, Wokingham, Berkshire, RG41 2EY UK

http:/www.actcrystals.com

PIN FUNCTION:

PIN1 – Output

PIN2 – GND

PIN3 – Control Voltage/NC

PIN4 – Reference Voltage/NC

PIN5 – Power Supply

(Unit: mm)

Tel : 0044 (0) 118 979 1238

Fax: 0044 (0) 118 979 1283

Email : info@actcrystals.com

Issue : 3 S8

Date: 14/09/06