Q-tech QT812 Square Wave Manual de usuario descargar pdf (Pagina 3)

Q-TECH Corporation

10150 W. Jefferson Blvd.

Culver City, CA 90232

SIZE

CAGE NO.

51774

QT811 and QT812 Square-Wave

24 pin DDIP

REV.

Sheet 3 of 10

3.1.1 Electrical Characteristics

PARAMETER SYMBOL CONDITIONS VALUE UNIT

Frequency Nom. fo - 3. to 90 MHz

Supply voltage, Nom. Vs Vs±5%

See part number

generation table

Input Current, max. Is

Vs, nom. / Ta=+25°C

50 mA

Freq. stability vs. Operating

temperature

Δf/fc (Ta)

Contact factory for other options

available

See part number

generation table

ppm

Electrical Frequency

Adjustment Min.

(when specified)

Δf/fo

(ΔVcc)

±5 PPM Two options:

1) via an external select-at-test

resistor connected from Pin 1

to Ground

2) Via External tuning voltage

±5.0 ppm

Freq. stability vs. ±5 %

Input Voltage Variation

Δf/fc (Vs) Ta=+25°C

±1.2 ppm

Freq. stability vs. ±5 %

Load Variation

Δf/fc

(Load)

Vs, nom. / Ta=+25°C 0.3 ppm

Aging Max

Δf/fo

over 10 year (first year ≤ 1 ppm) ±5.0 ppm

Freq. stability vs. Vacuum

Δf/fo

Met by design, not tested

±0.2

ppm

Short term stability

Δf/fc(Δt) Δt=1sec. (Allan Deviation)

0.001 ppm

RF Output

Contact factory for other options

available

30 to 70

3rd

70.1 to

MHz

Output VOH / VOL load=15pF, Vcc=nom.

0.9•Vcc / 0.1•Vcc

Duty cycle DC

load=15pF/ @50%Vcc, Ta=+25°C

See part number

generation table

Rise- / fall time tr / tf 20%~80% Vout, 80%~20% Vout .5…7 (see note A) nSec

Load 15 pF

Phase noise @ freq. offset

£ (Δf)

Δf=10Hz

Δf=100Hz

Δf=1kHz

Δf=10kHz

Δf=100kHz

-70

-100

-130

-140

70.1 to 90

MHZ

Contact

factory for

other

options

available

dBc/Hz

Supply Current, rise & fall time are frequency dependent

3.2 Absolute Maximum Rating

Notes: 1 – Without irreversible damages

CHARACTERISTICS MAXIMUM RATINGS REMARKS

Supply Voltage 0 to +6.0 VDC

Note 1

DC Input Current 50 mA maximum

Note 1

Storage Temperature range -55°C to +125°C

Note 1

Lead Temperature (Soldering, 10 seconds) 300°C

Note 1

ITAR-CONTROLLED Q-TECH PROPRIETARY DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH APPROVAL

24 PIN Flat-Pack

1 2 3 4 5 6 7 8 9 10

Comentarios a estos manuales

Sin comentarios

Q-tech QT812 Square Wave Manual de usuario Pagina 3

Comentarios a estos manuales

Relacionado con productos y manuales para Accesorios para eléctrica Q-tech QT812 Square Wave