參數(shù)資料
型號: U2761B
英文描述: DECT RF / IF IC
中文描述: 無繩射頻/中頻集成電路
文件頁數(shù): 6/12頁
文件大?。?/td> 426K
代理商: U2761B
U2761B
TEMIC Semiconductor
Rev. A4, 10-Mar-98
Preliminary Information
6 (11)
Typical Application Circuit
14658
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Control–
logic LC
Demodulator
RX
TX
+
OP amp
Ramp
generator
IF amp 1
IR
mixer
TX
driver
IF
amp 2
RF/IF
U2761B
LC–tank
PCB
LO_IN
Matching +
balun
Matching +
balun
SAW
Filter
LC–Tank
MIXER_IN
TX_RF_OUT
RAMP_OUT
VS
TX_ON
RX_ON
RX_DATA
RSSI
PU
Figure 3. Typical application circuit
Recommended Baseband Filter (f
3dB
570 kHz)
R1
13k
27
C1
18p
C2
5.6p
26
+
28
25
14659
6.8k
R3
Figure 4. Recommended baseband filter
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