參數(shù)資料
型號(hào)： RF2705
廠商： RF MICRO DEVICES INC
元件分類： 無(wú)繩電話/電話
英文描述： 887664300
中文描述： TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC24
封裝： 4 X 4 MM, PLASTIC, QFN-24
文件頁(yè)數(shù)： 18/24頁(yè)
文件大?。?/td> 379K
代理商： RF2705
5-130
RF2705
Rev A4 041026
Control Logic Truth Table
Mode Description
Input Logic
Active RF
I/Os
Comment
Mode A Mode B Mode C Mode D
Expected Mode of
Operation
Sleep Mode
0
Sleep
X
0
0
Sleep
Frequency Doubler/Divide by 2 Options
1
0
1
Wideband F
LO
x2 (High Power)
Modulator and frequency doubler
enabled
Wideband F
LO
x2 (Medium Power)
Modulator and frequency doubler
enabled
Wideband F
LO
x2 (Low Power)
Modulator and frequency doubler
enabled
High Band F
LO
x2
Modulator and frequency doubler
enabled
Low Band F
LO
/2
Modulator and divide by 2 enabled
0
LoLbP LoLbN
RFOutWb P
RFOutWb N
LoLbP LoLbN
RFOutWb P
RFOutWb N
LoLbP LoLbN
RFOutWb P
RFOutWb N
LoLbP LoLbN
RFOutHb P
RFOutHb N
LoHbP LoHbN
RFOutLb P
RFOutLb N
Bands: 1920MHz to 1980MHz
Modulation: 3GPP W-CDMA
1
0
1
1
Bands: 1920MHz to 1980MHz
Modulation: 3GPP W-CDMA
1
0
0
1
Bands: 1920MHz to 1980MHz
Modulation: 3GPP W-CDMA
1
1
1
1
Bands: DCS1800 or PCS1900
Modulation: GMSK, TDMA and
8PSK EDGE
Bands: GSM900 or GSM850
Modulation: GMSK, TDMA and
8PSK EDGE
1
1
0
1
GMSK Modulator Bypass Options
1
0
Low Band Bypass
Modulator bypass enabled
X
0
LoLbP LoLbN
RFOutLb P
RFOutLb N
LoHbP LoHbN
RFOutHb P
RFOutHb N
Bands: GSM850 or GSM900
Modulation: GMSK
High Band Bypass
Modulator bypass enabled
X
1
1
0
Bands: DCS1800 or PCS1900
Modulation: GMSK
On-Frequency LO Options
0
1
Wideband F
LO
x1 (High Power)
Modulator and on-frequency LO
enabled
Wideband F
LO
x1 (Medium Power)
Modulator and on-frequency LO
enabled
Wideband F
LO
x1 (Low Power)
Modulator and on-frequency LO
enabled
High Band F
LO
x1
Modulator and on-frequency LO
enabled
Low Band F
LO
x1
Modulator and on-frequency LO
enabled
0
0
LoHbP LoHbN
RFOutWb P
RFOutWb N
LoHbP LoHbN
RFOutWb P
RFOutWb N
LoHbP LoHbN
RFOutWb P
RFOutWb N
LoHbP LoHbN
RFOutHb P
RFOutHb N
LoLbP LoLbN
RFOutLb P
RFOutLb N
Bands: 1920MHz to 1980MHz
Modulation: 3GPP W-CDMA
0
0
1
1
Bands: 1920MHz to 1980MHz
Modulation: 3GPP W-CDMA
0
0
0
1
Bands: 1920MHz to 1980MHz
Modulation: 3GPP W-CDMA
0
1
1
1
Bands: DCS1800 or PCS1900
Modulation: GMSK, TDMA and
8PSK EDGE
Bands: GSM900 to GSM850
Modulation: GMSK, TDMA and
8PSK EDGE
0
1
0
1
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