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參數(shù)資料
| 型號： | HFA3766 |
| 廠商： | Intersil Corporation |
| 英文描述： | 400MHz AGC Quadrature IF Modulator/Demodulator |
| 中文描述： | 400MHz的中頻AGC的正交調(diào)制器/解調(diào)器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 79K |
| 代理商： | HFA3766 |
5
28
LPF_RXQ+
Low pass filter non inverting input of the receive quadrature channel. AC coupling is required. This input is
normally coupled to the positive output of the quadrature demodulator (Mod_RXQ+), pin 35.
29
LPF_RXI-
Low pass filter inverting input of the receive in phase channel. AC coupling is required. This input is normally
coupled to the negative output of the in phase demodulator (Mod_RXI-), pin 34.
30
LPF_RXI+
Low pass filter non inverting input of the receive in phase channel. AC coupling is required. This input is normally
coupled to the positive output of the in phase demodulator (DEMOD_RXI-), pin 33.
31, 32
GND
Ground. Connect to a solid ground plane.
33
DEMOD_RXI+
In phase demodulator positive output. AC coupling is required. Normally connects to the non inverting input of
the Low pass filter (LPF_RXI+), pin 30.
34
DEMOD_RXI-
In phase demodulator negative output. AC coupling is required. Normally connects to the inverting input of the
Low pass filter (LPF_RXI-), pin 29.
35
DEMOD_RXQ+
Quadrature demodulator positive output. AC coupling is required. Normally connects to the non inverting input
of the Low pass filter (LPF_RXQ+), pin 28.
36
DEMOD_RXQ-
Quadrature demodulator negative output. AC coupling is required. Normally connects to the inverting input of
the Low pass filter (LPF_RXQ+), pin 27.
37
MOD_TXI+
In phase modulator non inverting input. AC coupling is required. This input is normally coupled to the Low pass
filter positive output (LPF_TXI+), pin 26.
38
MOD_TXI-
In phase modulator inverting input. AC coupling is required. This input is normally coupled to the Low pass filter
negative output (LPF_TXI-), pin 25.
39
MOD_TXQ+
Quadrature modulator non inverting input. AC coupling is required. This input is normally coupled to the Low
pass filter positive output (LPF_TXQ+), pin 24.
40
MOD_TXQ-
Quadrature modulator inverting input. AC coupling is required. This input is normally coupled to the Low pass
filter negative output (LPF_TXQ-), pin 23.
41
MOD_TX_PE
Digital input control to enable the Modulator section. Enable logic level is High for transmit.
42
MOD_TX_IF
_OUT
Modulator open collector output, single ended. Termination resistor to V
CC
with a typical value of 316
.
43
DEMOD_RX
_PE
Digital input control to enable the demodulator section. Enable logic level is High.
44
LO_In
(2XLO)
Single ended local oscillator current input. Frequency of input signal must be twice the required demodulator LO
frequency. Input current is optimum at 200
μ
A
RMS
. Input matching networks and filters can be designed for a
wide range of power and impedances at this port. Typical input impedance is 130
.
This pin requires AC
coupling.
NOTE: High second harmonic content input waveforms may degrade I/Q phase accuracy.
45
MOD_V
CC
Supply pin for the Demodulator. Use high quality decoupling capacitors right at the pin.
46
LO_Out
Divide by 2 buffered output reference from “DEMOD_LO_in” input. Used for external applications where the de-
modulating carrier reference frequency is required. 50
single end driving capability. This output can be disabled
by use of pin 50. AC coupling is required.
47
MOD_V
CC
Supply pin for the Demodulator. Use high quality decoupling capacitors right at the pin.
48
DEMOD_IFIN+
Demodulator, non-inverting input. Requires AC coupling.
49
DEMOD_IFIN-
Demodulator, inverting input. Requires AC coupling.
50
LO_GND
When grounded, this pin enables the LO buffer (DEMOD_LO_Out). When open (NC) it disables the LO buffer.
51, 52, 53
GND
Ground. Connect to a solid ground plane.
54
AGC2_V
CC
Supply pin for the AGC amplifier 2. Use high quality decoupling capacitors right at the pin.
Pin Descriptions
(Continued)
PIN
SYMBOL
DESCRIPTION
HFA3766
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相關代理商/技術參數(shù) |
參數(shù)描述 |
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| HFA3766IN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| HFA3766IN96 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:400MHz AGC Quadrature IF Modulator/Demodulator |
| HFA3767 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:130MHz CDMA/AMPS Quadrature Modulator and AGC |
| HFA3767IA | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| HFA3767IA WAF | 制造商:Harris Corporation 功能描述: |
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