Q-tech QT62T Manual de usuario descargar pdf (Pagina 3)

MIL-PRF-55310/20F

TABLE I. Dash numbers and operating characteristics.

1/ Maximum input current for no load condition. Actual configuration of TTL loads must be added to determine

power supply requirements.

2/ A TTL unit load is defined as: 1.6 mA sink, 0.04 mA source, and 2pF capacitance.

Frequency-voltage tolerance: ±4 ppm maximum for a ±10 percent change in supply voltage. Measurements taken

at reference temperature and operating temperature range end points.

Frequency aging: Measurements shall be taken at +70°C ±0.2°C at intervals of not more than every 72 hours for

30 days minimum (see table I).

±10 ppm per year, maximum

±1.5 ppm per 30 days.

±3 ppm per 90 days.

Frequency-environmental tolerance: Not applicable.

Vibration, sinusoidal: In accordance with MIL-PRF-55310 and method 204 of MIL-STD-202.

Nonoperating: Test condition G.

Operating: Not required.

Ambient pressure:

Nonoperating: In accordance with MIL-PRF-55310.

Operating: Method 105 of MIL-STD-202, test condition C.

Reflow soldering: Reflow soldering of the unit at +230°C ±10°C for 15 seconds shall not degrade the performance.

Dash

num-

Output

frequency

Input

current

Pulse characteristics

Initial

accuracy

Frequency

aging

Frequency-temperature

tolerance (ppm)

ber

range

(max) at

5.25 V

±1%

Rise

and

fall

times

Duty

cycle at

1.4 V

Load

(max)

ppm

+23°C

±1°C

ppm/year

after

30 days

-55°C

+125°C

-55°C

+105°C

-20°C

+70°C

(max)

percent

40 kHz

14.0 MHz

40 to 60

10 TTL

±15

±25

±10

±50

±100

±200

±40

±80

±150

±25

±50

±100

14.0 MHz

30.0 MHz

40 to 60

10 TTL

±15

±25

±10

±50

±100

±200

±40

±80

±150

±25

±50

±100

30.0 MHz

60.0 MHz

40 to 60

10 TTL

±15

±25

±10

±50

±100

±200

±40

±80

±150

±25

±50

±100

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Q-tech QT62T Manual de usuario Pagina 3

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