HFA3726 データシートの表示（PDF） - Intersil
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HFA3726 Datasheet PDF : 21 Pages
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HFA3726
Typical Performance Curves, Demodulator (Figure 22 Test Diagram)
10mA/DIV.
90
85o
25o
-40o
50mV/DIV.
400
10
2.5
4.0
5.5
VCC
FIGURE 1. DEMODULATOR SUPPLY CURRENT vs VCC AND
TEMPERATURE
40mV/DIV.
700
85o
25o
-40o
500
100
VCC = 3V
-100
-80
-60
-40
-20
0
INPUT POWER (dBm INTO 50Ω)
FIGURE 2. DEMODULATOR I/Q OUTPUT SWING vs INPUT
POWER
1dBm/DIV.
-80
85o
-85
25o
-40o
300
2.5
4.0
5.5
VCC
FIGURE 3. DEMOD I/Q OUTPUT SWING vs VCC AND
TEMPERATURE
0.2o/DIV.
+1o
-90
2.5
4.0
5.5
VCC
FIGURE 4. CASCADED LIMITER -3dB INPUT SENSITIVITY
RESPONSE vs VCC AND TEMPERATURE
0.1dB/DIV.
+0.4dB
0o
EXPECTED VARIATION
WINDOW vs VCC
-1o
2.5
4.0
5.5
VCC
FIGURE 5. DEMOD I/Q PHASE BALANCE VARIATION vs VCC
9
0.0dB
EXPECTED VARIATION
WINDOW vs VCC
-0.4dB
2.5
4.0
5.5
VCC
FIGURE 6. DEMOD I/Q AMPLITUDE BALANCE VARIATION vs
VCC
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