PDF《VECTRON》

C5310A1-0187 VCXO VECTRON INTERNATIONAL www.

vectron.com 49-07268-801-281 fax 49-07268-801-0 tel Germany D-74924 Neckarbischofsheim Landstrasse Vectron International GmbH & Co. KG modified 2007-07-03 Index :

12 printed 2008-08-20 ? page

1 of

5 Vectron International ? Product Specifications Nominal frequency (f0) 245.76 MHz Frequency stabilities Parameter Frequency stability Operating temp. range vs. operating temp. range (df/f@25 °C) -30 to

30 ppm -40 ...

85 °C -20 to

20 ppm

0 ...

70 °C Parameter Value Condition initial tolerance (df/f0) -10 to

10 ppm @Vc = 1.65 V;

25 °C vs. supply voltage change (df/f) -1 to

1 ppm static;

3.3 V ±5 % vs. load change (df/f) -1 to

1 ppm static;

Load ±

10 % vs. aging /

20 years (df/f) ±20ppm incl.:

20 years aging, temp. stab.0..70°C, load, supply and initial tolerance Frequency tuning Parameter Value Condition Electrical frequency control (EFC) (df/f0) -200 to -85 ppm ext. tuning voltage @

0 V

85 to

200 ppm ext. tuning voltage @ 3.3 V Linearity <

10 % Frequency control input impedance >

50 kOhm Modulation bandwidth >

10000 Hz @ -3 dB RF output Parameter Value Condition Signal LVPECL Load

50 Ohm ±10 % Rise Time < 0.6 ns @

20 to

80 %Vout Fall Time < 0.6 ns @

80 to

20 %Vout Duty cycle

45 /

55 % @

2 V V Low 1.355 < x < 1.68 V V High 2.155 < x < 2.42 V Sub Harmonics