
MT1110 75
B
ROADBAND
A
MPLIFIER
A
DVANCE
D
ATA
S
HEET
CATV D
ISTRIBUTION
A
PPLICATIONS
DS-00019
Rev 1.1 — September 2001
Page 3 of 9
P
6
AC ELECTRICAL CHARACTERISTICS
The AC electrical characteristics listed in Table 3 are valid for the following
conditions unless otherwise noted. Typical parameters are at T
A
= +25
°
C.
Device current = 70 mA
V
Bias
= 4.3 V
Zo = 75
T
A
= -40
°
C to +85
°
C
Table 3
AC Electrical Characteristics
P
ARAMETER
S
YMBOL
C
ONDITIONS
M
IN
T
YP
M
AX
U
NIT
Power gain
S21
45 MHz to 870 MHz
15
dB
3 dB Gain bandwidth
Lower frequency determined by external
components
1
2000
MHz
Noise figure
NF
45 MHz to 870 MHz
3
3.5
dB
79 Channels, output = 25 dBmV per tone
-72
dBc
112 Channels, output = 25 dBmV per tone
-71
dBc
Composite triple beat
CTB
132 Channels, output = 25 dBmV per tone
-70
dBc
79 Channels, output = 25 dBmV per tone
-61
dBc
112 Channels, output = 25 dBmV per tone
-58
dBc
Composite second order
(sum)
CSO
132
Channels, output
= 25 dBmV per tone
-53
dBc
79 Channels, output = 25 dBmV per tone
-54
dBc
112 Channels, output = 25 dBmV per tone
-53
dBc
Composite second order
(difference)
CSO
132 Channels, output = 25 dBmV per tone
-52
dBc
79 Channels, output = 25 dBmV per tone
-68
dBc
112 Channels, output = 25 dBmV per tone
-65
dBc
Cross modulation
Xmod
132 Channels, output = 25 dBmV per tone
-63
dBc
F1 = 54.25 MHz, F2 = 60.25 MHz,
Output = 55 dBmV per tone
83
dBmV
F1 = 403.25 MHz, F2 = 409.25 MHz,
Output = 55 dBmV per tone
82
dBmV
Third order intercept point
OIP3
F1 = 853.25 MHz, F2 = 859.25 MHz,
Output = 55 dBmV per tone
80
dBmV
Second order intercept
point
OIP2
F = 403.25 MHz
F= 409.25 MHz
105
dBmV
Output power 1 dB
compression point
P1dB
F = 859.25 MHz
66
dBmV
Slope straight line
SL
45 MHz to 870 MHz
0.5
dB
Flatness straight line
FL
45 MHz to 870 MHz
-0.5
0.5
dB
Flatness narrow band
FLnb
In each 6 MHz segment
±
0.2
dB
Reverse isolation
S12
50 MHz to 850 MHz
18
dB
Input Return Loss
S11
18
20
dB
Output Return Loss
S22
10
16
dB