參數(shù)資料
型號(hào)： μPC8100GR
廠商： NEC Corp.
英文描述： Silicon Up/Down-Converter(上/下變頻轉(zhuǎn)換器)
中文描述： 硅上/下變頻器（上/下變頻轉(zhuǎn)換器）
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 141K
代理商： ΜPC8100GR
4
μ
PC8100GR
Data Sheet P10817EJ3V0DS00
Mixer output from upconverter.
Mixer output from upconverter.
10 and 11 pins should be externally
equipped with tank circuit of inductor (eg
4.7 nH) and capacitor (eg 3.5 pF).
Ground for oscillator buffer amplifier and
mixer of upconverter.
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.)
Bypass of IF input for upconverter.
This pin is IF input for upconverter
designed as double balanced mixer.
This high-impedance input should be
externally equipped with matching circuit
of inductor (eg 220 nH) and capacitor
(eg 1.5 pF).
Local oscillator input for upconverter. Re-
quired for matching with register 51
.
Bypass of local oscillator input for
upconverter.
Bypass of local oscillator input for
downconverter.
Local oscillator input for down-
converter. Required for matching with
register 51
.
Supply voltage for downconverter.
It must be connected bypass capacitor
(e.g 1 000 pF) to minimize ground
impedance.
IF output from downconverter.
PIN EXPLANATION
PIN
NO.
ASSIGNMENT
PIN VOLTAGE
(V)
FUNCTION AND APPLICATION
EQUIVALENT CIRCUIT
13
REG.
14
V
CC
10
11
10
MIX OUT 1
2.3
11
MIX OUT 2
2.3
12
GND
0
*
13
IF bypass
1.03
14
IF input
1.03
15
OSC input
1.8
(for upconverter)
16
OSC bypass
1.8
(for upconverter)
17
OSC bypass
1.85
(for down-
converter)
18
OSC input
1.85
(for down-
converter)
19
V
CC
supply for
2.7 to 4.5
*
for down-
converter
20
IF output
1.45
18
15 ,
17
16 ,
V
CC
20
V
CC
*
Externally supply voltage
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