MAX2685 查看數據表（PDF） - Maxim Integrated
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MAX2685 Datasheet PDF : 10 Pages
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Low-Cost, 900MHz, Low-Noise Amplifier
and Downconverter Mixer
Table 2. Mixer Typical S-Parameters (VCC = +3V, TA = +25°C)
RF FREQUENCY
(MHz)
S11
MAG
High-Gain Mode (GAIN = VCC)
800
840
880
920
960
1000
Low-Gain Mode (GAIN = GND)
800
840
880
920
960
1000
0.355
0.352
0.351
0.349
0.352
0.353
0.275
0.268
0.262
0.255
0.254
0.245
|S11|
PHASE
(degrees)
152.7
153.7
154.5
155.8
156.2
156.9
142.8
144.1
145.5
147.7
149.0
156.9
IF FREQUENCY
(MHz)
10
40
80
110
170
240
10
40
80
110
170
240
|S22|
MAG (IFOUT+
Port Only)
S22 PHASE
(IFOUT+ Port
Only)
(degrees)
0.996
-0.4
0.994
-1.8
0.993
-3.2
0.989
-4.2
0.988
-6.2
0.983
-8.0
0.996
-0.5
0.995
-1.8
0.993
-3.2
0.989
-4.2
0.987
-6.2
0.982
-7.9
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