HFA3665 查看數據表（PDF） - Intersil
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HFA3665 Datasheet PDF : 8 Pages
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Production Test Diagram
HFA3665
MIXER RF IN
50Ω
VCC
AGC
9.53k
PIN BIAS 1
LNA OUT
50Ω
VLNA
2200p
C3
100p
LNA IN
50Ω
PIN BIAS 2
2200p
PE
220p
47p
C1
1 VCC
2 AGC_CTRL
3 PIN_O_IBIAS1
4 GND
1.5p
LNA_OUT
5
8.2n
NOTE 4
6
R9
7
LNA_OUT
100p
8
9 LNA_IN
10 PIN_O_IBIAS2
11 PIN_I_GND
0.01
12 RX_PE
13 R_REF
HFA3665
14 BIAS_GND
MIX_VCC
SEL
MIX_V
CC
MIX_IND
RF_IN
RF_RET
LO_RET
LO_IN
CDMA_OUT-
CDMA_OUT+
FM_OUT-
FM_OUT+
BIAS_VCC
100p
220p
0.1
47p
220p
0.1
18n
100p ? 4.7p
15n
15p
SEL
RF_LO_INPUT
50Ω
12p
100p
0.33
6.6K
220nH
7.5p
220nH
330nH
12p
CDMA IF OUTPUT
50Ω
6.6K
220nH
7.5p
220nH
330nH
12p
FM IF OUTPUT
50Ω
NOTE:
4. PC trace degeneration inductor. 93mil by 8mil trace terminating in a 10mil via. Via is tied to a buried solid ground plane 12mils deep.
Material is FR4 Er = 4.7.
5
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