NXP Semiconductors CGD944C 5. Characteristics

CGD944C_1 © NXP B.V. 2007. All rights reserved.
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] Gp at 870 MHz minus Gp 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] Vo= 48 dBmV
[5] Direct Current (DC)
Table 5. Characteristics
Bandwidth to 870 MHz; V
B
= 24 V (DC); T
mb
=35 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Gppower gain f = 870 MHz 24 25 26 dB
SLsl 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
RLin 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
RLout 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
Itot total current VB=24V [5] - 450 - mA