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參數(shù)資料
| 型號： | MAX2365ETM+T |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 15/29頁 |
| 文件大小： | 460K |
| 描述： | IC TRANSMITTER QUAD 48TQFN-EP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 頻率： | 900MHz |
| 應用： | 無線 LAN |
| 功率 - 輸出： | 9dBm |
| 電流 - 傳輸： | 90mA |
| 數(shù)據(jù)接口： | PCB，表面貼裝 |
| 天線連接器： | PCB，表面貼裝 |
| 電源電壓： | 2.7V ~ 3.3V |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 48-WFQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
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Complete Dual-Band
Quadrature Transmitters
______________________________________________________________________________________ 15
BUF_EN
0
BIT NAME
POWER-UP
STATE
FUNCTION
LO_SEL
0
0 selects LOL input port; 1 selects LOH port.
4
RCP_TURBO1
0
Works in conjunction with RCP_TURBO2 (CONFIG register) to set the turbo-
charge pump mode. (See Table 7)
ICP_MAX
0
1 keeps IF turbo-mode current active even when frequency acquisition is
achieved. This mode is used when high operating IF charge-pump current is
needed.
MODE
01
Sets operating mode according to the following:
00 = FM mode
01 = Cellular digital mode, RFL is selected
10 = Lower half-band PCS mode, RFH1 is selected
11 = Upper half-band PCS, RFH0 is selected
SIDE_BAND
0
When this bit is 1, the upper sideband is selected (LO below RF). When this bit
is 0, the lower sideband is selected (LO above RF).
IFG
100
3-Bit IF gain Control. Alters IF gain by approximately 2dB per LSB (0 to 14dB).
Provides a means for adjusting balance between RF and IF gain for optimized
linearity.
VCO_SEL
0
1 selects high-band IF VCO; 0 selects low-band IF VCO.
IF_SEL
0
1 selects IFINH and IFOUTH; 0 selects IFINL and IFOUTL. For FM mode
(MODE = 00), set IF_SEL to 0.
0 turns IFLO buffer off; 1 turns IFLO buffer on.
15
14
13
12, 11
5
8, 7, 6
9
10
MOD_TYPE
1
3
0 selects direct VCO modulation. (IF VCO is externally modulated and the I/Q
modulator is bypassed); 1 selects quadrature modulation.
STBY
1
2
0 shuts down everything except registers and serial interface.
TXSTBY
1
1
0 shuts down modulator and upconverter, leaving PLLs locked and registers
active. This is the programmable equivalent to the TXGATE pin.
SHDN_BIT
1
0
0 shuts down everything except serial interface, and also retains all register
settings.
Table 2. Operation Control Register (OPCTRL)
BIT
LOCATION
(0 = LSB)
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