English
Language : 

HFA3663 Datasheet, PDF (2/5 Pages) Intersil Corporation – 2.3GHz UpConverter with Gain Control
HFA3663
Typical Application Diagram
PRISM™ FULL DUPLEX CHIP SET
HFA3424/21
HFA3661
HFA3761 (FILE #4236)
(FILE #4131)
D
U
LNA
BPF
(FILE #4240)
LNA
RF/IF
FILTER
IF AGC
QMODEM
LPF
P
CONVERTER
LPF
L
E
RF LO1
X
E
R
HFA3524
(FILE #4062)
SYNTHESIZER
IF LO1
HFA3524
(FILE #4062)
HFA3925
(FILE #4132)
PA
BPF
SYNTHESIZER
RF LO2
AGC
IF/RF
CONVERTER
HFA3663 (FILE #4241)
HFA3664 (FILE #4242)
IF LO2
AGC
HFA3763
(FILE #4237)
LPF
QMODEM
LPF
A/D
BASEBAND
D/A
OPTIONAL WHEN IN
ANALOG MODE
PRISM™ FULL DUPLEX RADIO
CHIP SET, FILE #4238
Pin Description
NAME
LO_IN
LO_BY
PRE_IN
PRE_OUT
PRE_VCC1
PRE_VCC2
PRE_VCC3
BIAS_VCC
MIX_VCC
RX_PE
TXM_RF
IF_IN
IF_BY
GND
DESCRIPTION
Local Oscillator Input.
Local Oscillator Input Bypass (AC coupled to GND).
Power Pre-Amplifier Input.
Power Pre-Amplifier Output.
Power Pre-Amplifier 1st Stage Positive Power Supply. Use high quality RF decoupling capacitors.
Power Pre-Amplifier 2nd Stage Positive Power Supply. Use high quality RF decoupling capacitors.
Power Pre-Amplifier 3rd Stage Positive Power Supply. Use high quality RF decoupling capacitors.
LO Buffer, Bias, Mixer and AGC Control Positive Power Supply. Requires an isolation coil to VCC.
Transmit Mixer Output Stage Positive Power Supply. Use high quality RF decoupling capacitors.
Power Enable Control Input. Refer to the Power Control Truth Table.
Transmit Mixer RF Output.
Transmit Mixer Positive IF Input. Requires external bias resistor to VCC.
Transmit Mixer Negative IF Input (AC coupled to GND).
Circuit Ground Pins (Qty 6). Internally connected with the exception of pin 17.
2-202