2001 Nov 02 3
Philips Semiconductors Product specification
860 MHz, 17 dB gain power doubler amplifier BGD885
CHARACTERISTICS
Table 1 Bandwidth 40 to 860 MHz; V
B
= 24 V; T
mb
=35°C; Z
S
=Z
L
=75Ω
Notes
1. Decrease per octave of 1.5 dB.
2. V
p
= 59 dBmV at f
p
= 349.25 MHz;
V
q
= 59 dBmV at f
q
= 403.25 MHz;
measured at f
p
+f
q
= 752.5 MHz.
3. Measured according to DIN45004B:
f
p
= 341.25 MHz; V
p
=V
o
;
f
q
= 348.25 MHz; V
q
=V
o
−6 dB;
f
r
= 350.25 MHz; V
r
=V
o
−6 dB;
measured at f
p
+f
q
−f
r
= 339.25 MHz.
4. Measured according to DIN45004B:
f
p
= 851.25 MHz; V
p
=V
o
;
f
q
= 858.25 MHz; V
q
=V
o
−6 dB;
f
r
= 860.25 MHz; V
r
=V
o
−6 dB;
measured at f
p
+f
q
−f
r
= 849.25 MHz.
5. The module normally operates at V
B
= 24 V, but is able to withstand supply transients up to 30 V.
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
G
p
power gain f = 50 MHz 16.5 17.5 dB
SL slope cable equivalent f = 40 to 860 MHz 0.2 1.6 dB
FL flatness of frequency response f = 40 to 860 MHz −±0.5 dB
S
11
input return losses f = 40 MHz; note 1 20 − dB
f = 800 to 860 MHz 10 − dB
S
22
output return losses f = 40 MHz; note 1 20 − dB
f = 800 to 860 MHz 10 − dB
d
2
second order distortion note 2 −−53 dB
V
o
output voltage d
im
= −60 dB; note 3 64 − dBmV
d
im
= −60 dB; note 4 63 − dBmV
F noise figure f = 50 MHz − 8dB
f = 550 MHz − 8dB
f = 650 MHz − 8dB
f = 750 MHz − 8dB
f = 860 MHz − 8dB
I
tot
total current consumption (DC) note 5 − 450 mA