Upstream CATV Amplifiers
AC ELECTRICAL CHARACTERISTICS—MAX3517 (continued)
(MAX3517 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
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Transmit Disable
Transient Duration
TXEN input rise/fall time < 0.1µs,
TA = +25°C
2
µs
Transmit Disable/Transmit Enable
Transient Step Size
D7 = 1, gain code = 125,
(AV = 27dB), TA = +25°C
D7 = 0, gain code = 100,
(AV = 0.2 dB), TA = +25°C
30
100
mVp-p
1
Input Impedance
ZIN
fIN = 5MHz to 65MHz, single ended;
Note 3
1
1.5
kΩ
Output Return Loss
Output Return Loss in Transmit-
Disable Mode
Two-Tone Third-Order Distortion
(Note 2)
2nd-Harmonic Distortion
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
fIN = 5MHz to 65MHz in 75Ω system
D7 = 1, gain code = 125,
(AV = 27dB); Note 4
fIN = 42MHz, in 75Ω system
TXEN = low; Note 4
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 = 65MHz, VOUT = +61dBmV
fIN = 22MHz, VOUT = +61dBmV
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
8.3
10.5
-49.5
-46.3
-55
-55
-55
-55
0.1
0.1
1
1
dB
dB
dBc
dBc
dBc
dB
dB
degrees
degrees
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