1998 Mar 19 10
Philips Semiconductors
Wideband Hybrid Amplifier Modules Selection guide
NOTES IN SELECTION GUIDE
Table 1 Miscellaneous notes.
NOTE IN
MAIN TABLE
1.1 provisional data/advance information
1.2 module has a monomode optical input
for wavelengths from
1290 to 1600 nm;
PIN diode current-monitoring terminal;
1 meter SM pigtail, 9/125 µm
spectral sensitivity:
>0.85 A/W at 1310 nm,
>0.9 A/W at 1550 nm.
1.4 the MI type has ‘mirror image’ pinning
for simplified board layout when put in
parallel with the standard type.
1.5 cascade
1.6 as BO but with the pigtail terminated by
an FC/APC optical connector
1.7 frequency range 40 to 870 MHz
1.8 frequency range 40 to 400 MHz
1.9 as BO but with the pigtail terminated by
an SC/APC optical connector
Table 2 Return loss notes.
NOTE IN
MAIN TABLE RETURN LOSS
2.1 value listed is output return loss.
Optical input return loss: >40 dB
2.2 >20 dB from 40 to 80 MHz
>19 dB from 80 to 160 MHz
>18 dB from 160 to 450 MHz, 550 MHz
or 600 MHz as appropriate
2.3 >20 dB from 40 to 80 MHz
>18.5 dB from 80 to 160 MHz
>17 dB from 160 to 320 MHz
>15.5 dB from 320 to 640 MHz
>14 dB from 640 to 750 MHz, 860 MHz
or 900 MHz as appropriate
2.4 >20 dB from 40 to 80 MHz
>19 dB from 80 to 160 MHz
>18 dB from 160 to 320 MHz
>17 dB from 320 to 640 MHz
>16 dB from 640 to 750 MHz
2.5 measured at 40 MHz, max. decrease
1.5 dB/octave up to 800 MHz;
from 800 to 860 MHz,
return loss is >10 dB
2.6 >14 dB from 40 to 450 MHz
>10 dB from 450 to 860 MHz
2.7 measured at 40 MHz,
max. decrease 1.5 dB/octave
2.8 value listed is output return loss.
Optical input return loss: >45 dB
Table 3 Measuring conditions for composite triple beat.
NOTE IN
MAIN TABLE MEASURED AT
(MHz) VO
(dBmV)
3.1 25 50
3.2 67.25 48
3.3 175.25 (channel 7) 50
3.4 445.25 (channel H22) 46
3.5 433.25 (channel H20) 46; 36
channels
3.6 547.25 (channel 27) 44
3.7 595.25 (channel 35) 44
3.8 745.25 44
3.9 859.25 44
3.10 1st value;
745.25 MHz 44
2nd value;
985.25 MHz 40