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参数资料
| 型号： | WE905 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 0.1 - 1GHx Single Chip FM Transceiver |
| 中文描述： | 0.1 - 1GHx单芯片FM收发器 |
| 文件页数： | 35/39页 |
| 文件大小： | 623K |
| 代理商： | WE905 |
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Winceiver WE904/WE905
WiNEDGE & WiRELESS
0.1 - 1GHz Single Chip FM Transceiver
2003 WiNEDGE & WiRELESS PTE LTD
Page 5
Rev Date: 2003 May 27
PIN DESCRIPTIONS
Name
Pin
Description
LE
1
Load Enable. Active high CMOS logic compatible input
DATA
2
Serial Data. CMOS logic compatible serial data input
CLK
3
Serial Clock: CMOS logic compatible, positive edge trigger input
VSS
4
Digital ground. Ground pin for the internal CMOS digital circuitry
OSCI
5
Reference Oscillator Input. Signal level should be within the range of 200-
400mV peak
OSCO
6
Reference Oscillator Output. Used in conjunction with OSCI to form a Colpitts
oscillator using a crystal unit
VDD
7
Power supply for the internal CMOS digital circuitry
VDDO
8
Power supply for Tx output section (PA)
RFO
9
10
Differential Tx Outputs
VSSO
11
Ground for Tx output section
VSST
12
Ground for Tx VCO
TPLL
13
Tx PLL control voltage. Connection point for PLL loop filter.
VDDT1,2
14, 17
Tx power supply pins for the internal Tx VCO
TVCO
15
16
Tx VCO Tank; establishes the natural oscillation frequency of the Tx VCO
with external balanced inductors
GCC
18
Gain control decoupling capacitor
DCR
19
DC Offset for RSSI
DCI, DCQ
21
DC Offset for I and Q sections of the baseband circuit
IFIL1,2,3
23, 24, 22
Baseband In-phase (I) Filter
BBSET
25
Baseband low pass filter frequency set resistor
QFIL1,2,3
27, 26, 28
Baseband Quadrature (Q) Filter
PFGND
29
Internal Pre-Filter ground reference
VDDA
30
Power supply for Baseband and IF filters
VSSA
31
Ground for Baseband and IF filters
VDDI
32
Power supply for Rx Input section
RFI
34
33
Differential Rx Inputs
VSSI
35
Ground for Rx Input section
RSSI
36
Receive Signal Strength Indicator output
SUBS
37
Ground to silicon substrate
VSSR
38
Ground for Rx VCO
RPLL
39
Rx PLL control voltage. Connection point for PLL loop filter.
VDDR1,2
40, 43
Power supply for Rx VCO
RVCO
41
42
Rx VCO Tank:: establishes the natural oscillation frequency of the Rx VCO
with external balanced inductors.
IFSET
44
IF low pass filter frequency set resistor
ACGND
45
Internal AC ground reference for the baseband and IF filters
AFC
46
Automatic Frequency Control Voltage Output
AFCC
47
Automatic Frequency Control Capacitor
AUDO
48
Rx Audio/ Digital Output
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