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Q-tech, High stability digital tcxo – Q-Tech MILITARY TCXO User Manual

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Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com

Q-TECH

CORPORATION

QPDS-0009 (Revision F, April 2013 ) (ECO# 10834)

HIGH STABILITY DIGITAL TCXO

SURFACE MOUNT CRYSTAL OSCILLATORS

3.3 to 5Vdc - 1MHz to 125MHz

2 of 7

Parameters

QT3103 or QT3105

Output Freq. Range (Fo)

1MHz 125MHz

Supply Voltage (Vdd)

+3.3Vdc ± 5% or +5Vdc ± 5%

Maximum Applied Voltage (Vdd max.)

+5.5Vdc

Nominal Tolerance

±0.3ppm

Frequency Stability (∆F/∆T)

See Option codes

Frequency Stability vs. Load Variation

±0.2ppm

Frequency Stability vs.

Voltage Supply Variation

±0.2ppm

Operating Temp. (Topr)

See Option codes

Storage Temp. (Tsto)

-62ºC to + 125ºC

Operating Supply Current (Idd)

8mA (No Load) at 3.3Vdc (10MHz)

14mA (No Load) at 5.0Vdc (10MHz)

Output Amplitude or Power

+3.3Vdc

High (min.): Vcc -10%

Low (max.): Gnd +10%

+5Vdc

High (min.): 3.3V-10%

Low (max.): Gnd+10%

Output Load

10k//15pF

Start-up Time

10ms max.

Phase Noise at 25ºC (typ.)

at 10MHz

(See Note 4)

10Hz

-90dBc/Hz

100Hz

-120dBc/Hz

1kHz

-135dBc/Hz

10kHz

-150dBc/Hz

100kHz

-155dBc/Hz

Integrated Phase Jitter RMS

(12kHz to 20MHz) typ.

(See Note 4)

1ps

Aging (at 70ºC)

± 5ppm max. 10 years

• Supply voltage +3.3Vdc to +5Vdc

• Phase Noise and Jitter built to specification

including static and vibration.

• Low supply current

• QCI tests

• Tight frequency stability versus temperature,

supply voltage, and load variations

• Low g-sensitivity and low phase noise

• Low spurious (see note 3)

• Low frequency aging, Allan Variance

• High-shock resistant

Notes:
1. The output level is determined by the supply

voltage, load, and package size.

2. Typical amplitude stability over temperature is

±10% or less.

3. Typical spurious level is better than -100dBc

over the spectrum of 100kHz to 1GHz.

4. Guaranteed by design, can be tested by customer

request.

5. TCXO with frequencies higher than 50MHz,

have amplitude more sensitive to load and it may

be lower than standard.

Other Design and Test Options

Electrical Characteristics

Standard Frequencies Below Available With Faster Delivery

Part Number

Frequency

Voltage

Temperature

Stability

MCM5273 27.480MHz

27.480MHz

3.3V

40ºC to +85ºC

±0.3ppm

MCM5281 1 10.000MHz

10.000MHz

3.3V

40ºC to +85ºC

±0.3ppm

QT3103CT 10.001355MHz

10.001355MHz

3.3V

40ºC to +85ºC

±1ppm

QT3103CT 15.050MHz

15.050MH

3.3V

40ºC to +85ºC

±1ppm

QT3103CT 40.000MHz

40.000MHz

3.3V

40ºC to +85ºC

±1ppm

QT3103CT 80.000MHz

80.000MHz

3.3V

40ºC to +85ºC

±1ppm

QT3103CT 100.000MHz

10.000MHz

3.3V

40ºC to +85ºC

±1ppm

QT3103CU 25.000MHz

25.000MHz

3.3V

40ºC to +85ºC

±0.3ppm

QT3103CU 30.000MHz

30.000MHz

3.3V

40ºC to +85ºC

±0.3ppm

QT3103CV 16.384MHz

16.384MHz

3.3V

55ºC to +125ºC

±1ppm

QT3105CV 16.000MHz

16.000MHz

5.0V

55ºC to +125ºC

±1ppm

QT3105CV 20.000MHz

20.000MHz

5.0V

55ºC to +125ºC

±1ppm

QT3105CV 32.000MHz

32.000MHz

5.0V

55ºC to +125ºC

±1ppm

Note: Custom frequencies are available but require an NRE and a longer lead time.