參數(shù)資料
型號(hào)： HFA3783IN
廠商： INTERSIL CORP
元件分類(lèi)： 衰減器
英文描述： I/Q Modulator/Demodulator and Synthesizer
中文描述： 70 MHz - 600 MHz RF/MICROWAVE I/Q MODEM
封裝： PLASTIC, LQFP-48
文件頁(yè)數(shù)： 2/34頁(yè)
文件大?。?/td> 608K
代理商： HFA3783IN
2
Pinout
Pin Descriptions
PIN NUMBER
NAME
DESCRIPTION
1
RX_V
CC
Receive AGC Amplifier Power Supply. Requires high quality capacitor decoupling.
3
IF_RX+
Receive AGC Differential Amplifier Non-Inverting IF Input. Requires a DC blocking capacitor.
4
IF_RX-
Receive AGC Differential Amplifier Inverting IF Input. Requires a DC blocking capacitor. Pins 3 and 4 are
interchangeable and can be used single ended with the other being capacitively bypassed to ground.
6
TX_VAGC
Transmit AGC amplifier DC gain control input.
7
TX_V
CC
Transmit AGC Amplifier Power Supply. Requires high quality capacitor decoupling.
8
IF_TX+
Transmit AGC Differential Amplifier Positive Output. Open collector requiring DC bias from V
CC
through
an inductor.
9
IF_TX-
Transmit AGC Differential Amplifier Negative Output. Open collector requiring DC bias from V
CC
through
an inductor.
10
TX_V
CC
Transmit AGC Amplifier Power Supply. Requires high quality capacitor decoupling.
13
REF_BYP
PLL Reference Buffer Signal Negative Differential Input. Pin has active bias and can be used in
conjunction with pin 14 either differential or single ended. CMOS inputs must be DC coupled. Small
sinusoidal inputs must be DC blocked with this pin bypassed to ground via a capacitor.
14
REF_IN
PLL Reference Buffer Signal Positive Differential Input. Pin has active bias and can be used in conjunction
with pin 13 either differential or single ended. CMOS inputs must be DC coupled. Small sinusoidal inputs
must be DC blocked with this pin used as an input for the reference signal. When used with single ended
CMOS inputs, pin 13 must be left floating. Pins 13 and 14 are interchangeable.
17
SYN_V
DD
PLL Synthesizer Digital Power Supply. Requires high quality capacitor decoupling.
18
CLK
PLL Synthesizer Serial Interface Clock. CMOS input.
19
DATA
PLL Synthesizer Serial Interface Data. CMOS input.
20
LE
PLL Synthesizer Serial Interface Latch Enable Control. CMOS input.
1
2
3
4
5
6
7
8
9
10
11
1213 14 15 16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
RXQ+
RXQ-
TXI+
TXI-
1.2V_OUT
TXQ+
TXQ-
GND
LO_V
CC
LO_IN+
LO_IN-
GND
RX_V
CC
GND
IF_RX+
IR_RX-
GND
TX_VAGC
TX_V
CC
IF_TX+
IF_TX-
TX_V
CC
GND
GND
G
R
G
I
P
C
G
B
C
G
R
R
P
R
R
G
G
S
D
C
D
L
C
D
C
G
L
HFA3783
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