ACTOCXO20

FEATURES

APPLICATIONS

■

Stability to ±0.02PPM

■

PCS / Cellular Base Stations

■

Low Aging

■

Digital Switching

■

Voltage Controlled Frequency Adjustment

■

Synthesizer

■

Measurement Equipment

■

SC Cut OXCO Please Enquire

SPECIFICATIONS

Frequency Range

1.0 ~ 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

Frequency Stability vs Voltage

±0.02PPM vs ±5% voltage change

Supply Consumption

3.6W (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)

AT Cut ±7.0PPM, Control Voltage Range

0~5V

Slope

Positive

Linearity

±10%

Phase Noise (10MHz SC-Cut)

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 & 3v3 stabilities will be lower –Please enquire)

Frequency Stability vs Temperature

Temperature Range

±0.020PPM (AT Cut)

0 - +50

° C

±0.050PPM (AT Cut)

-20 - +70

° C

±0.100PPM (AT Cut)

-40 - +75

° C

OUTPUT TYPE AND LOAD CHARACTERISTICS – 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: <+0.5VDC

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: >+4.3 VDC; “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 – Power Supply

PIN2 – Output

PIN3 – GND

PIN4 – Control Voltage

PIN5 – Reference Voltage/NC

(Unit: mm)

Tel: 0044 (0) 118 979 1238

Fax: 0044 (0) 118 979 1283

Email: info@actcrystals.com

Issue: 4 S8

Date: 14/09/06

SC Cut OXCO Please Enquire