參數(shù)資料
型號: ZL20200LDE
廠商: Zarlink Semiconductor Inc.
英文描述: Dual Band IS136/AMPS Transceiver
中文描述: 雙頻IS136/AMPS收發(fā)器
文件頁數(shù): 8/52頁
文件大小: 516K
代理商: ZL20200LDE
ZL20200
Data Sheet
8
Zarlink Semiconductor Inc.
1.0 General Description
A detailed block diagram is shown in Figure 3. This shows the receive and transmit paths plus the LO generation
circuitry. Control is via a serial bus with the addition of direct inputs to control receive and transmit modes and
optimize power consumption.
Figure 3 - ZL20200 Detailed Block Diagram
RSSI
RX Q+
RX Q–
π
/2
π
/2
Serial
interface
AMPS demod.
and RSSI
LO Select
and
Doubler
60kHz
PLL
PLL
S
PLL
π
/2
π
/2
Control
43
44
RX I+
RX I–
45
46
41
42
40
FM OUT
FM FB
32
33
27
28
1
2
3
TX I+
TX I–
TX Q+
TX Q–
SDAT
SCLK
SLATCH
56
34
20
11
10
21
26
T
25
T
22
T
23
T
VCC CONTROL
TX RXB
ENABLE1
RESETB
24
V
T
15
V
17
T
18
T
19
16
TX 900
TX 1900
51
55
54
9
8
12
14
6
RX GAIN
IF1 IN+
IF1 IN–
1900
LO OUT
900
LO OUT
900 LO IN
1900 LO IN
U
V
13
29
35
4
39
R
48
R
31
38
49
47
R
37
30
T
T
T
TCXO
I SET
VCC RX PLL
VCC TX PLL
VCC VHF CP
7
50
V
V
5
V
36
LOCK DET
MUX
Option
Tank
Circuit
Tank
Circuit
Control
Σ
÷
N
π
/2
Loop
Filter
Loop
Filter
Loop
Filter
Option
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相關代理商/技術參數(shù)
參數(shù)描述
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