NXP Semiconductors CGD944C Manuel d'utilisateur télécharger pdf (Page 3)

Product data sheet Rev. 01 — 6 June 2007 3 of 7

NXP Semiconductors

CGD944C

870 MHz, 25 dB gain power doubler ampliﬁer

5. Characteristics

[1] G

at 870 MHz minus G

at 40 MHz.

[2] ﬂatness straight line (peak to valley).

[3] 79 NTSC channels: 55.25 MHz to 547.25 MHz, 48 dBmV output level; + 53 NTSC channels 553.25 MHz to 997.25 MHz, 38 dBmV

output level.

[4] V

= 48 dBmV

[5] Direct Current (DC)

Table 5. Characteristics

Bandwidth to 870 MHz; V

= 24 V (DC); T

=35

C; unless otherwise speciﬁed.

Symbol Parameter Conditions Min Typ Max Unit

power gain f = 870 MHz 24 25 26 dB

slope straight line f = 40 MHz to 870 MHz

[1]

1- 2dB

FL ﬂatness of frequency response f = 40 MHz to 870 MHz

[2]

- 0.5 - dB

CTB composite triple beat 79 + 53 ﬂat NTSC channels

[3]

- −68 −66 dB

98 ﬂat PAL channels

[4]

- −66 - dB

CSO composite second-order distortion 79 + 53 ﬂat NTSC channels

[3]

- −70 −67 dB

98 ﬂat PAL channels

[4]

- −66 - dB

Xmod cross modulation 79 + 53 ﬂat NTSC channels

[3]

- −66 −58 dB

input return loss f = 40 MHz to 80 MHz 20 - - dB

f = 80 MHz to 160 MHz 19 - - dB

f = 160 MHz to 320 MHz 18 - - dB

f = 320 MHz to 640 MHz 18 - - dB

f = 640 MHz to 870 MHz 18 - - dB

out

output return loss f = 40 MHz to 80 MHz 20 - - dB

f = 80 MHz to 160 MHz 19 - - dB

f = 160 MHz to 320 MHz 18 - - dB

f = 320 MHz to 640 MHz 18 - - dB

f = 640 MHz to 870 MHz 18 - - dB

NF noise ﬁgure f = 50 MHz - 3.5 5.0 dB

f = 870 MHz - 3.5 5.0 dB

tot

total current V

=24V

[5]

- 450 - mA

1 2 3 4 5 6 7

Commentaires sur ces manuels

Pas de commentaire

NXP Semiconductors CGD944C Manuel d'utilisateur Page 3

Commentaires sur ces manuels