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參數(shù)資料
| 型號： | RF2705PCBA-41X |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | 887664400 |
| 中文描述： | 低噪聲，多模，四頻，正交調(diào)制器及PA驅(qū)動器 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 379K |
| 代理商： | RF2705PCBA-41X |
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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