HFA3600 Просмотр технического описания (PDF) - Intersil
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HFA3600 Datasheet PDF : 16 Pages
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HFA3600
Test Circuits (Continued)
4.7µF
DUPLEXER
LNA IN
1
0.01µF
2
3
1000pF
4
FROM TRANSMITTER
5
1000pF
6
LO IN
7
1000pF
2 x 0.01µF
14
10µH
13
12
11
1000pF
10
9
1000pF
8
PD(TTL)
1kΩ
1nF
VCC IF FILTER (50Ω)
390nH
IF OUT
3-10pF
IF AMPLIFIER
IMAGE FILTER (50Ω)
FIGURE 2. TYPICAL APPLICATION CIRCUIT
TABLE 1. TYPICAL CELLULAR FRONT-END CASCADED PERFORMANCE
DUPLEXER
LNA
IMAGE
FILTER
MIXER
IF FILTER
IF AMP
UNITS
Noise Figure
3.0
2.3
3.0
12.1
8.0
3.0
dB
Gain
-3.0
12.8
-3.0
7.0
-8.0
20.0
dB
OUTPUT IP3
100.0
12.8
100.0
3.2
Not Applicable (Note)
dBm
Cascaded Noise Figure = 8.55dB
Cascaded Gain = 25.8dB
Input IP3 = -10.8dBm
NOTE: Cascaded results are using 100.0dBm for IP3.
Supply Characteristics
12.0
11.0
TICC
10.0
9.0
350
300
TICC OFF
250
200
4.5
4.7
4.9
5.1
5.3
5.5
SUPPLY VOLTAGE
FIGURE 3. TOTAL ICC vs SUPPLY VOLTAGE
11.9
11.7
11.5
11.3
TICC
11.1
- 40
- 20
400
350
300
T ICC OFF
250
200
0
20
40
60
TEMPERATURE (oC)
150
80
FIGURE 4. TOTAL ICC vs TEMPERATURE
4
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