Datasheet > EX-240-DHF-508F-10.000

EX-240-DHF-508F-10.000

更新时间： 2024-09-30 10:17:23

品牌	Logo	应用领域
VECTRON		振荡器晶体振荡器石英晶振恒温晶体振荡器
页数	文件大小	规格书
2页	42K
描述
Oven Controlled Crystal Oscillators (OCXO’s)

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EX-240-DHF-508F-10.000 数据手册

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Oven Controlled Crystal Oscillators (OCXO’s)

Description:

The EX-240 Series offers a ruggedized hybrid thick film construction in a low

EX-240 (EMXO™)

profile, hermetically sealed 16 pin DDIL package, which can withstand severe

environmental conditions. This product series utilizes VI’s EMXO^TMtechnology

resulting in excellent stability performance and fast warm-up with low power

consumption.

Features:

-8

* Temperature Stability: to ±1 x 10 over 0°C to +50°C

-9

* Acceleration Sensitivity: < 1 x 10 / g Total Gamma

* Low power consumption: < 0.7 W @ +25°C

* Shock: 1,000g’s peak, 0.5 ms

* Vibration: 20g peak to 2 kHz (Sine), 30 Grms overall to 2 kHz (Random)

Performance Characteristics

Parameter

Characteristics

Frequency Range:

10 to 20.48 MHz

Package Size:

Supply Voltage:

See next page for drawings and dimensions (reduced height option is available)

Supply Current (Steady State):

<140 mA @ +25°C , <220 mA @ -40°C with +5V supply

<210 mA @ +25°C , <330 mA @ -40°C with +3.3V supply

(reduced current option is available)

Turn-on Current:

Output Type:

<500 mA with +5Vdc supply, <600 mA with +3.3 Vdc supply

(A) HCMOS

Level "0" and "1":

Rise/Fall Time (10-90%):

Symmetry (Duty Cycle):

Output Type:

<0.4 Volts, >0.9 Vdd

<7 ns

50/50 ±10% (at 50% Vdd)

(H) +3 dBm minimum into 50 ohms

- 20 dBc

Harmonics:

Spurious:

- 60 dBc

Temperature Stability:

B-108 = ± 10 ppb over 0°C to +50°C

C-208 = ± 20 ppb over 0°C to +70°C

(Note: Tighter stabilities and wider temperature D-308 = ± 30 ppb over -20°C to +70°C

ranges are available, please consult factory.)

F-508 = ± 50 ppb over -40°C to +85°C

-9

Aging (10MHz Typical):

<1x10 /day average, <1x10^-7/ year average, <1x10^-6/10 years

Short-Term Stability (Allan Deviation):

<1x10^-10, 0.1 seconds to 10 seconds

Phase Noise:

(typical at 10 MHz, Static Condition)

Offset

10 Hz

100 Hz

1 kHz

10 kHz

100 kHz

Phase Noise

-100 dBc/Hz

-130 dBc/Hz

-140 dBc/Hz

-145 dBc/Hz

-150 dBc/Hz

Frequency vs. Supply:

<2.5x10^-9per percent change

Warm-up (Restabilization):

(frequency relative to that 1 hour after turn-on,

following 24 hours off time, at +25°C)

Standard

60 seconds

120 seconds

Optional (consult factory)

45 seconds

90 seconds

<±1x10^-6

<±1x10

-7

Electrical Frequency Adjust:

>± 1ppm range with 0 to Vdd input voltage

Acceleration Sensitivity:

(10 MHz)

1x10^-9/g Total Gamma, standard

5x10^-10/g available at 10 MHz (consult factory)

Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com

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