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參數(shù)資料
| 型號： | TK14584 |
| 廠商： | TOKO Inc. |
| 英文描述： | FM IF IC |
| 中文描述： | 調(diào)頻中頻集成電路 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大小： | 196K |
| 代理商： | TK14584 |
January 2000 TOKO, Inc.
Page 15
TK14584
RSSI-OUT (V)
RF INPUT - LEVEL (dBu)
AM can be
demodulated
inside of linear
range
FIGURE 3A - AM DEMODULATED WAVEFORM
Operating Condition
V
= 3 V, f
= 10.7 MHz,
fm = 40 kHz, Mod = 80%,
V
IN
= -40 dBm
100mV/div
10
μ
s/div
FIGURE 3B
CIRCUIT DESCRIPTION (CONT.)
FM Detector:
The FM detector is included in the quadrature FM detector using a Gilbert multiplier.
It is suitable for high speed data communication because the demodulation bandwidth is over 1 MHz.
The phase shifter is connected between Pin 10 (IF limiter output) and Pin 9 (input detector). Any available phase shifter
can be used: a LC resonance circuit, a ceramic discriminator, a delay line, etc.
Figure 4 shows the internal equivalent circuit of the detector.
VCC
VCC
QB
VCC
QA
multiplier core circuit
FIGURE 4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TK14584M | FM IF IC |
| TK14584MTL | FM IF IC |
| TK14588 | FM IF IC |
| TK14588V | FM IF IC |
| TK14588VTL | FM IF IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TK14584M | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:FM IF IC |
| TK14584M/584 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:FM IF IC |
| TK14584MTL | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:FM IF IC |
| TK14588 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:FM IF IC |
| TK14588V | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:FM IF IC |
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