NXP Semiconductors CGD942C - Manual (Page 3)

CGD942C All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 3 — 29 September 2010 3 of 8
NXP Semiconductors
CGD942C
870 MHz, 23 dB gain power doubler amplifier
5. Characteristics
[1] G
p
at 870 MHz minus G
p
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
o
= 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
G
p
power gain f = 870 MHz 22 23 24 dB
SL
sl
slope straight line f = 40 MHz to 870 MHz [1] 1 - 2 dB
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
dBc
98 flat PAL channels [4] -
−66
- dBc
CSO composite second-order distortion 79 + 53 flat NTSC channels [3] -
−70 −67
dBc
98 flat PAL channels [4] -
−66
- dBc
Xmod cross modulation 79 + 53 flat NTSC channels [3] -
−66 −58
dB
RL
in
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
RL
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
I
tot
total current V
B
= 24 V [5] - 450 - mA