TDA8260TW Datasheet, PDF (13/23 Pages) NXP Semiconductors – Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer

Philips Semiconductors
Satellite Zero-IF QPSK/8PSK
downconverter with PLL synthesizer
Product specification
TDA8260TW
68
handbook, halfpage
G
(dB)
64
MGU797
60
56
52
950
1150 1350 1550 1750 1950 2150
f (MHz)
Fig.3 Overall maximum gain as a function of
frequency.
80
handbook, halfpage
G
(dB)
60
40
20
0
0
1
MGU799
2 _{VAGC (V)} 3
Fig.4 Overall gain as a function of AGC voltage.
20
handbook, halfpage
F
(dB)
18
MGU798
16
14
12
10
950
1150 1350 1550 1750 1950 2150
f (MHz)
handboo^−k,⁷h⁰alfpage
ϕ_n
(dBc/Hz)
− 80
(1)
− 90
(2)
− 100
MGU796
− 110
950
1150 1350 1550 1750 1950 2150
f (MHz)
Fig.5 Noise figure at maximum gain as a function
of frequency.
(1) f_offset = 10 kHz; f_COMP = 1 MHz.
(2) f_offset = 100 kHz; f_COMP = 1 MHz.
Fig.6 Phase noise on I and Q baseband outputs
as a function of frequency.
2004 Sep 03
13