Upstream CATV Amplifiers
AC ELECTRICAL CHARACTERISTICS—MAX3516 (continued)
(MAX3516 EV kit; VCC = +4.75V to +5.25V, VGND = 0, PIN = +34dBmV, TXEN = SHDN = high, TA = -40°C to +85°C. Typical parame-
ters are at VCC = +5V, TA = +25°C, unless otherwise specified.) (Note 1)
PARAMETER
Transmit Enable Transient
Duration
Transmit Disable
Transient Duration
Transmit Disable/Transmit Enable
Transient Step Size
Input Impedance
SYMBOL
ZIN
CONDITIONS
TXEN input rise/fall time < 0.1µs,
TA = +25°C (Note 3)
TXEN input rise/fall time < 0.1µs,
TA = +25°C (Note 3)
D7 = 1, gain code = 119,
(AV = 28dB), TA = +25°C
D7 = 0, gain code = 94,
(AV = 0.5 dB), TA = +25°C
fIN = 5MHz to 65MHz, single-ended
(Note 3)
MIN
TYP
MAX UNITS
2
µs
2
µs
30
100
mVP-P
1
1
1.5
kΩ
Output Return Loss
fIN = 5MHz to 65MHz in 75Ω system
D7 = 1, gain code = 125,
10
dB
(AV = 31dB) (Note 4)
Output Return Loss in Transmit-
fIN = 5MHz to 65MHz in 75Ω system,
10
dB
Disable Mode
TXEN = low (Note 4)
Two-Tone Third-Order Distortion
(Note 3)
2nd-Harmonic Distortion
(Note 3)
3rd-Harmonic Distortion
AM to AM
AM to AM
AM to PM
AM to PM
IM3
HD2
HD3
AM/AM
AM/AM
AM/PM
AM/PM
Input tones at 42MHz and 42.2MHz,
both +31dBmV, VOUT = +58dBmV/tone
Input tones at 65MHz and 65.2MHz,
both +31dBmV, VOUT = +58dBmV/tone
fIN = 33MHz, VOUT = +61dBmV
fIN = 33MHz, VOUT = +64dBmV
fIN = 65MHz, VOUT = +61dBmV
fIN = 22MHz, VOUT = +61dBmV
fIN = 22MHz, VOUT = +64dBmV
fIN = 65MHz, VOUT = +61dBmV
AV = 27dB, VIN = +34dBmV to
+38dBmV, fIN = 42MHz
AV = 27dB, VIN = +34dBmV to
+38dBmV, fIN = 65MHz
AV = 27dB, VIN = +34dBmV to
+38dBmV, fIN = 42MHz
AV = 27dB, VIN = +34dBmV to
+38dBmV, fIN = 65MHz
-53.5
-48.8
-55
-55
-55
-55
-50
-55
0.1
0.1
1
1
dBc
-53
dBc
-52
-50.5
dBc
-50.5
dB
dB
degrees
degrees
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