參數(shù)資料
型號: μPC8103T
廠商: NEC Corp.
英文描述: Mixer-oscillator IC(混合振蕩器集成電路)
中文描述: 混頻器振蕩器集成電路(混合振蕩器集成電路)
文件頁數(shù): 3/26頁
文件大?。?/td> 136K
代理商: ΜPC8103T
μ
PC8103T,
μ
PC8108T
3
PIN EXPLANATION (
μ
PC8103T,
μ
PC8108T IN COMMON)
PIN NO.
1
2
3
4
5
6
PIN NAME
RF input
GND
OSC Emitter
OSC Base
V
CC
IF Output
SUPPLY
VOLTAGE (V)
0
1.0 to 2.0
Same bias
as V
CC
through
external
inductor
(L)
PIN
VOLTAGE (V)
0.77
0.19
0.95
FUNCTION AND APPLICATION
RF input for mixer. This port
is low impedance.
This ground pin must be
connected to the system
ground with minimum
inductance. Ground pattern
on the board should be
formed as wide as possible.
Track length should be kept as
short as possible.
Emitter, base pins of internal
transistor for oscillator.
These pins should be exter-
nally equipped with resonator
circuit of X’tal or LC.
Supply voltage pin.
Connect bypass capacitor (eg
1 000 pF) to minimize ground
impedance.
IF output pin from mixer.
This pin is designed as open
collector and should be
equipped with inductor (L)
because of high impedance
port.
EQUIVALENT CIRCUIT
4
3
2 1
6
5
Note
Each PIN VOLTAGE is measured with V
CC
= 1.0 V.
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