參數(shù)資料
型號(hào)： HFA3624
廠商： HARRIS SEMICONDUCTOR
元件分類： 衰減器
英文描述： 2.4GHz Up/Down Converter
中文描述： 2400 MHz - 2483.5 MHz RF/MICROWAVE UP/DOWN CONVERTER, 18 dBm OUTPUT POWER-MAX
文件頁(yè)數(shù)： 18/19頁(yè)
文件大?。?/td> 186K
代理商： HFA3624
2-44
FIGURE 50. RECEIVE MIXER SSB NOISE FIGURE vs LO DRIVE
NOTE: Transmit mixer measured with Impedance Transform Net-
work 250
at device to 50
at the source. Refer to Figure 5, pin 19.
FIGURE 51. TRANSMIT MIXER GAIN vs LO DRIVE
NOTE: Transmit mixer measured with Impedance Transform Net-
work 250
at device to 50
at the source. Refer to Figure 5, pin 19.
FIGURE 52. TRANSMIT MIXER OUTPUT 1dB COMPRESSION
vs LO DRIVE
NOTE: TXM_IF input matching network modified for each IF fre-
quency as described in Table 1.
FIGURE 53. TRANSMIT MIXER GAIN vs IF FREQUENCY
TABLE 1. TXM_IF INPUT 50
TO 250
IMPEDANCE TRANSFORM CIRCUIT
COMPONENT VALUES
IF FREQ
LO CAPACITORS
C20, C28
IF BYPASS
C24, C21
0.1
μ
F
0.022
μ
F
0.012
μ
F
0.0068mF
IF SHUNT C
C25
IF SERIES L
L4
1.2
μ
H
680nH
10MHz
5pF
150pF
20MHz
5pF
68pF
40MHz
5pF
33pF
330nH
70MHz
5pF
18pF
180nH
100MHz
7pF
0.0033mF
12pF
120nH
200MHz
7pF
1000pF
3.9pF
68nH
280MHz
10pF
470pF
1.5pF
47nH
400MHz
10pF
330pF
0
33nH
NOTE: Refer to Figure 5, pin 19.
Typical Performance Curves
(Continued)
-6
-5
-4
-3
-2
-1
0
1
2
3
13.5
14
14.5
15
15.5
16
16.5
LO DRIVE (dBm)
N
T
A
= 25
o
C, IF = 280MHz
LO = 2.17GHz
-6
-5
-4
-3
-2
-1
0
1
2
3
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
LO DRIVE (dBm)
G
T
A
= 25
o
C, RF = 2.45GHz
IF = 280MHz (NOTE)
-6
-5
-4
-3
-2
-1
0
1
2
3
-10.0
-9.9
-9.8
-9.7
-9.6
-9.5
-9.4
-9.3
-9.2
LO DRIVE (dBm)
1
T
A
= 25
o
C, RF = 2.45GHz
IF = 280MHz (NOTE)
80
60
20
10
40
100
200
400
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
IF FREQUENCY (MHz)
G
+2.7V
+3.0V
+5.5V
+4.0V
T
A
= 25
o
C, RF = 2.45GHz (NOTE)
HFA3624
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