BGY787 datasheet(7/11 Pages) PHILIPS

7 / 11 page

9397 750 14773

Product data sheet

Rev. 08 — 1 April 2005

7 of 11

Philips Semiconductors

BGY787

750 MHz, 21.5 dB gain push-pull ampliﬁer

[1]

fp = 55.25 MHz; Vp = 46 dBmV; fq = 391.25 MHz; Vq = 46 dBmV; measured at fp +fq = 446.5 MHz.

[2]

Measure according to DIN45004B;

fp = 440.25 MHz; Vp =Vo; fq = 447.25 MHz; Vq =Vo − 6 dB; fr = 449.25 MHz; Vr =Vo − 6 dB; measured at fp +fq − fr = 438.25 MHz.

[3]

The module normally operates at VB = 24 V, but is able to withstand supply transients up to 30 V.

Table 9:

Characteristics at bandwidth 40 MHz to 450 MHz

VB = 24 V; Tcase =30 °C; ZS =ZL =75 Ω.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

power gain

f = 50 MHz

21.5

f = 450 MHz

21.5 -

slope cable equivalent

f = 40 MHz to 450 MHz

1.5

ﬂatness of frequency response f = 40 MHz to 450 MHz

±0.3 dB

s11

input return losses

f = 40 MHz to 80 MHz

f = 80 MHz to 160 MHz

18.5 30

f = 160 MHz to 320 MHz

f = 320 MHz to 450 MHz

22.5

s22

output return losses

f = 40 MHz to 80 MHz

28.5

f = 80 MHz to 160 MHz

18.5 27.5

f = 160 MHz to 320 MHz

f = 320 MHz to 450 MHz

ϕS21

phase response

f = 50 MHz

−45 -

+45

deg

CTB

composite triple beat

60 channels ﬂat; Vo = 46 dBmV; measured at

445.25 MHz

−59

Xmod

cross modulation

60 channels ﬂat; Vo = 46 dBmV; measured at

55.25 MHz

−54

CSO

composite second order

distortion

60 channels ﬂat; Vo = 46 dBmV; measured at

446.5 MHz

−60

second order distortion

[1] --

−73

output voltage

dim = −60 dB

[2] 64

dBmV

noise ﬁgure

see Table 5

Itot

total current consumption (DC)

[3] -

220

240

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