HFA3665 データシートの表示（PDF） - Intersil
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コンポーネント説明
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HFA3665 Datasheet PDF : 8 Pages
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Typical RF Front End AGC Application Diagram
S+M B4691
8.2n
L11
4p
4p
C1
C7
R3
12
82n
L1
R4
12
12p
C2
VCC
PIN
220p
AGC
VLNA
Note 1
R1
9.53k
2200p
C3
100p
47p
C1
49.9k R2
C13
1.5p
L2
8.2n
1 VCC
2 AGC_CTRL
3 PIN_O_IBIAS1
4 GND
5 LNA_OUT
6 LNA_OUT
LE
7
100p
C5
C4
13p
82n
L4
C6
PIN 2200p
PE
FROM
PA
NOTE 5
8
LNA_IN
9
49.9K
R5
10 PIN_O_IBIAS2
11 PIN_I_GND
0.01
12 RX_PE
13 R_REF
HFA3665
R6 14 BIAS_GND
PIN DIODE: MACOM MA4P282-1141
DUPLEXER: DFY2RR836CR881BHHN
MIX_VCC
SEL
MIX_VCC
MIX_IND
RF_IN
RF_RET
220p
0.33
47p
C7
L5
220p
0.1
18n
100p ? 4.7p
C9
C8
15n
L6
15p
SEL
RF_LO_INPUT
LO_RET
LO_IN
CDMA_OUT-
CDMA_OUT+
FM_OUT-
12p
100p
6.2K
R7
270n
L7
L8
270n
25.3p
C9
C10
25.3p
SAWTEK
855292
FM_OUT+
BIAS_VCC
100p
6.6p
C12
0.33
L9
R8
6.2K
L10
390n
5p 330n
C11
MURATA SX439A
NOTE:
5. LNA degeneration inductance built with a PC trace to ground in combination with VLNA power supply to improve IIP3. A transmission line
inductance of 1.2nH at 882MHz to a solid ground plane is typical (see Test Diagram).
6
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