+14dBm to +20dBm LO Buffers/Splitters
with ±1dB Variation
AC ELECTRICAL CHARACTERISTICS—MAX9988
(Typical Application Circuit, V CC = 4.75V to 5.25V, 50 ? environment, +6dBm < P IN < +12dBm, 1500MHz < f IN < 2200MHz, and
T A = -40°C to +85°C, unless otherwise noted. Typical specifications are for V CC = 5.0V, P IN = +9dBm, f IN = 1800MHz, and
T A = +25°C unless otherwise noted.) (Note 1)
PARAMETER
Operating Frequency
SYMBOL
f
CONDITIONS
MIN
1500
TYP
MAX
2200
UNITS
MHz
Low power setting, P IN = +6dBm
(see Table 1 for resistor values)
Nominal power setting,
14.2
Output Power
(Main Drivers)
P OUTLO
+6dBm < P IN < +12dBm, 4.75V < V CC <
5.25V, -40°C < T A < +85°C
17.3
±0.8
dBm
(R 1 , R 2 , R 4 , and R 5 not installed)
High power setting, P IN = +12dBm
(see Table 1 for resistor values)
19.5
Output Power
(PLL Driver)
Input VSWR
Output VSWR
P OUTPLL
VSWR IN
VSWR OUT
3.6
1.5:1
1.4:1
dBm
Output-Noise Power Density
OUT1 to OUT2 Isolation
OUT2 to OUT1 Isolation
OUT1 to RFIN Isolation
OUT2 to RFIN Isolation
P NOISE
S23
S32
S12
S13
V CC = 5.0V, ±100MHz offset
V CC = 5.0V, nominal power setting
(R 1 , R 2 , R 4 , and R 5 not installed)
V CC = 5.0V, nominal power setting
(R 1 , R 2 , R 4 , and R 5 not installed)
V CC = 5.0V, nominal power setting
(R 1 , R 2 , R 4 , and R 5 not installed)
V CC = 5.0V, nominal power setting
(R 1 , R 2 , R 4 , and R 5 not installed)
-152
33
44
49
47
dBm/Hz
dB
dB
dB
dB
Note 1: Devices are 100% DC screened and AC production tested for functionality. Data sheet typical specifications are derived
from the average of 30 units from a typical lot, and are tested under the conditions specified for the typical specifications.
4
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