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參數(shù)資料
| 型號： | T5744-TGQ |
| 廠商： | ATMEL CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | UHF ASK Receiver |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 277K |
| 代理商： | T5744-TGQ |
5
T5744
4521B–RKE–01/03
Figure 5 shows a typical input matching network for f
RF
= 315 MHz and f
RF
=
433.92 MHz using a SAW. Figure 6 illustrates the input matching to 50
SAW. The input matching networks shown in Figure 6 are the reference networks for the
parameters given in the electrical characteristics.
without a
Table 1.
Calculation of LO and IF Frequency
Figure 5.
Input Matching Network with SAW Filter
Conditions
Local Oscillator Frequency
Intermediate Frequency
f
RF
= 315 MHz, MODE = 0
f
LO
= 314 MHz
f
IF
= 1 MHz
f
RF
= 433.92 MHz, MODE = 1
f
LO
= 432.92 MHz
f
IF
= 1 MHz
300 MHz < f
RF
< 365 MHz, MODE = 0
365 MHz < f
RF
< 450 MHz, MODE = 1
f
LO
f
1
314
---------
+
-------------------
=
f
IF
f
314
---------
=
f
LO
f
1
432.92
-----------------
+
---------------------------
=
f
IF
f
432.92
-----------------
=
IN
IN_GND
OUT
OUT_GND
CASE_GND
3,4 7,8
B3555
T5744
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
T5744
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
f
RF
= 315 MHz
LNAGND
LNA_IN
RF
IN
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| T5746 | 功能描述:手工工具 SEPARATOR TOOL RoHS:否 制造商:Molex 產(chǎn)品:Extraction Tools 類型: 描述/功能:Extraction tool |
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