參數(shù)資料
型號(hào)： UPC8001GR-E2
廠商： NEC Corp.
英文描述： IF AMPLIFIER IC WITH ON-CHIP MIXER FOR DIGITAL CELLULAR PHONES
中文描述： 中頻放大器集成電路具有片上調(diào)音臺(tái)數(shù)字蜂窩電話
文件頁數(shù)： 11/22頁
文件大小： 130K
代理商： UPC8001GR-E2
μ
PC8001
11
Figure 3-1. Mixer Input
(a) 50
Termination
(b) LC Matching
Note
The values L and C are affected by the parasitic capacitance and inductance of the board. Therefore,
adjust L and C so that the impedance at the MIX IN pin from the signal source equals 50
.
Remark
The signal source impedance is 50
.
Figure 3-2. Third Order Intercept
Remark
Signal source impedance is 50
.
MIX IN1
107 nH
V
MIX IN
5 pF
0.01
μ
F
0.01
μ
F
V
MIX IN
50
14 MIX IN1
Note
Note
14
11
14
MIX IN1
MIX OUT
OSC IN
0.01
μ
F
0.01
μ
F
1.5 k
50
16.7
f
1
f
2
f
1
= 130.1 MHz, f
2
= 130.2 MHz
16.7
16.7
0.01
μ
F
V
OSC IN
= –15 dBm
18 dB/OCT
6 dB/OCT
f = 130 MHz
f
1
= 130.1 MHz
f
2
= 130.2 MHz
V
M
V
MIX IN
[dBm]
9
Third order intercept
50
f
OSC IN
= 129.545 MHz
Measure 455 kHz component
level with spectrum analyzer
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