參數(shù)資料
型號: T5743P6-TGQ
廠商: ATMEL CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: UHF ASK/FSK Receiver
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO20
封裝: SO-20
文件頁數(shù): 6/41頁
文件大小: 681K
代理商: T5743P6-TGQ
6
T5743
4569A–RKE–12/02
Figure 5.
Input Matching Network with SAW Filter
Figure 6.
Input Matching Network without SAW Filter
Please notify that for all coupling conditions (see Figure 5 and Figure 6), the bond wire
inductivity of the LNA ground is compensated. C3 forms a series resonance circuit
together with the bond wire. L = 25 nH is a feed inductor to establish a DC path. Its
value is not critical but must be large enough not to detune the series resonance circuit.
For cost reduction this inductor can be easily printed on the PCB. This configuration
improves the sensitivity of the receiver by about 1 dB to 2 dB.
IN
IN_GND
OUT
OUT_GND
CASE_GND
3,4 7,8
B3555
T5743
C3
22p
L
25n
C16
100p
C17
8.2p
L3
27n
TOKO LL2012
F27NJ
C2
8.2p
L2
TOKO LL2012
F33NJ
33n
1
2
5
6
8
9
RF
IN
f
RF
= 433.92 MHz
LNAGND
LNA_IN
IN
IN_GND
OUT
OUT_GND
CASE_GND
3,4 7,8
B3551
T5743
C3
47p
L
25n
C16
100p
C17
22p
L3
47n
TOKO LL2012
F47NJ
C2
10p
L2
TOKO LL2012
F82NJ
82n
1
2
5
6
8
9
RF
IN
f
RF
= 315 MHz
LNAGND
LNA_IN
T5743
15p
25n
100p
3.3p
TOKO LL2012
F22NJ
22n
8
9
RFIN
f
RF
= 433.92 MHz
LNAGND
LNA_IN
T5743
LNA_IN
33p
25n
100p
3.3p
TOKO LL2012
F39NJ
39n
8
9
RF
IN
f
RF
= 315 MHz
LNAGND
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相關(guān)代理商/技術(shù)參數(shù)
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T5744 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:UHF ASK Receiver
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T5744N-TGSY 制造商:Atmel Corporation 功能描述: