Philips BGD904L - Manual (Page 5)

2001 Nov 01 5
Philips Semiconductors Product specification
860 MHz, 20 dB gain power doubler amplifier BGD904L
Fig.2 Composite triple beat as a function of
frequency under tilted conditions.
Z
S
= Z
L
= 75
Ω
; V
B
= 24 V; 110 chs; tilt = 9 dB (50 to 550 MHz);
tilt = 3.5 dB at − 6 dB offset (550 to 750 MHz).
handbook, halfpage
0
Vo
(dBmV)
f (MHz)
CTB
(dB)
200
−
50
− 60
−
80
− 90
− 70
52
48
40
36
44
400 600 800
MGS452
(1)
(1)
(2)
(3)
(4) (2)
(3)
(4)
(1) V
o
.
(2) Typ. +3
σ
.
(3) Typ.
(4) Typ.
−
3
σ
.
Fig.3 Cross modulation as a function of frequency
under tilted conditions.
Z
S
= Z
L
= 75
Ω
; V
B
= 24 V; 110 chs; tilt = 9 dB (50 to 550 MHz);
tilt = 3.5 dB at − 6 dB offset (550 to 750 MHz).
handbook, halfpage
0
Vo
(dBmV)
f (MHz)
Xmod
(dB)
200
−
50
− 60
−
80
− 90
− 70
52
48
40
36
44
400 600 800
MGS453
(1)
(1)
(2)
(3)
(4)
(1) V
o
.
(2) Typ. +3
σ
.
(3) Typ.
(4) Typ.
−
3
σ
.
Fig.4 Composite second order distortion as a
function of frequency under tilted
conditions.
Z
S
= Z
L
= 75 Ω ; V
B
= 24 V; 110 chs; tilt = 9 dB (50 to 550 MHz);
tilt = 3.5 dB at − 6 dB offset (550 to 750 MHz).
handbook, halfpage
0
Vo
(dBmV)
f (MHz)
CSO
(dB)
200
−
50
− 60
−
80
− 90
− 70
52
48
40
36
44
400 600 800
MGS454
(1)
(1)
(2)
(2)
(3)
(4)
(4)
(3)
(1) V
o
.
(2) Typ. +3 σ .
(3) Typ.
(4) Typ. − 3 σ .