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參數資料
| 型號： | MT1530 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | UPSTREAM AMPLIFIER |
| 中文描述： | 上游放大器 |
| 文件頁數： | 3/14頁 |
| 文件大?。?/td> | 427K |
| 代理商： | MT1530 |
MT1530 U
PSTREAM
A
MPLIFIER
A
DVANCE
D
ATA
S
HEET
CATV A
PPLICATIONS
DS-00010
Rev 1.2 — December 2000
Page 3 of 14
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.
V
CC
= +4.75V to +5.25V
TXEN =
SHDN
= high
D7 = 1
V
IN
= 33 dBmV differential
Output impedance = 75
through a 4:1 impedance transformer
T
A
= -40
°
C to +85°C
Table 3
AC Electrical Characteristics of the MT1530
P
ARAMETER
S
YMBOL
C
ONDITIONS
M
IN
T
YP
M
AX
U
NIT
Gain control word = 0
-33.6
-32.4
-31.1
dB
Voltage gain
A
V
F
IN
= 5 MHz to
42 MHz
Gain control word = 63
28.1
30.8
32.1
dB
V
OUT
= 59 dBmV, F
IN
= 42 MHz
V
OUT
= 59 dBmV, F
IN
= 65 MHz
1
-0.25
-0.5
dB
Gain rolloff
1
-0.9
-1.5
dB
1 dB Compression
point
Output step size
P
1dB
A
V
= 29 dB, 42 MHz
2
65
67
dBmV
F
IN
= 5 MHz to 42 MHz
A
V
= 26 dB
A
V
= -26 dB
TXEN = low, A
V
= 26 dB, F
IN
= 5 MHz to
65 MHz
TXEN = low, gain control word = 63,
F
IN
= 65 MHz
0.7
1
1.3
dB
2
131
150
nV /
√
Hz
Transmit mode
noise
2
8.5
10.1
nV /
√
Hz
Transmit-disable
mode noise
810
pV /
√
Hz
Isolation in transmit-
disable mode
69
dB
TXEN Transient
duration
TXEN rise/fall time < 0.1
μ
s
1.5
μ
s
Gain setting = 63
2
4
16
mVp-p
TXEN Transient step
size
Gain setting = 51 or lower
2
F
IN
= 5 MHz to 65 MHz, single-ended
2
2
8
mVp-p
Input impedance
Z
IN
1.35
1.85
k
Output impedance
Z
OUT
R
L
75
Output return loss
F
IN
= 5 MHz to 65 MHz
Input tones at 65 MHz and 66 MHz,
V
IN
= 28 dBmV/tone, V
OUT
= 53 dBmV/tone
2
F
IN
= 33 MHz, V
OUT
= +59 dBmV
F
IN
= 65 MHz, V
OUT
= +59 dBmV
F
IN
= 22 MHz, V
OUT
= +59 dBmV
2
10.7
15
dB
Third-order output
intercept
OIP3
80
84
dBmV
-72
-66
dBc
2
distortion
nd
Harmonic
HD2
-70
-64
dBc
-59
-55
dBc
3
distortion
rd
Harmonic
HD3
F
IN
= 65 MHz, V
OUT
= +59 dBmV
-55
-51
dBc
1
Referenced to 10 MHz.
Guaranteed by design.
2
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