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參數(shù)資料
| 型號： | MAX2365ETM+T |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 16/29頁 |
| 文件大小： | 460K |
| 描述： | IC TRANSMITTER QUAD 48TQFN-EP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 頻率： | 900MHz |
| 應(yīng)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
16 ______________________________________________________________________________________
Table 3. Configuration Register (CONFIG)
BIT
LOCATION
(0 = LSB)
POWER-UP
STATE
Determines output mode for LOCK detector pin as follows:
00 = test mode, LD_MODE cannot be 00 for normal operation
01 = IF PLL lock detector
10 = RF PLL lock detector
11 = logical AND of IF PLL and RF PLL lock detectors
1, 0
11
LD_MODE
Works in conjunction with RCP_TURBO1 (OPCTRL register) to set the turbo-
charge current mode. (See Table 7).
2
1
RCP_TURBO2
1 activates turbocharge feature, providing an additional IF charge-pump cur-
rent during frequency acquisition.
3
1
IF_TURBO_
CHARGE
RF phase-detector polarity; 1 selects positive polarity (increasing tuning voltage
on the VCO produces increasing frequency); 0 selects negative polarity
(increasing voltage on the VCO produces decreasing frequency).
4
1
RF_PD_POL
IF phase-detector polarity; 1 selects positive polarity (increasing tuning voltage
on the VCO produces increasing frequency); 0 selects negative polarity
(increasing tuning voltage on the VCO produces decreasing frequency).
5
1
IF_PD_POL
7, 6
12
11
10
9, 8
13
14
15
A 2-bit register sets the RF charge-pump current as follows:
00 = 325礎(chǔ)
01 = 650礎(chǔ)
10 = 738礎(chǔ)
11 = 1063礎(chǔ)
00
RCP
1 selects 200mV
RMS
input mode; 0 selects 100mV
RMS
input mode.
1
IQ_LEVEL
1 selects ? on IFLO port; 0 bypasses the divider.
0
BUF_DIV
1 bypasses IF VCO and enables a buffered input for external VCO use.
0
VCO_BYPASS
A 2-bit register sets the IF charge-pump current as follows:
00 = 139礎(chǔ)
01 = 192礎(chǔ)
10 = 278礎(chǔ)
11 = 390礎(chǔ)
00
ICP
0 for normal operation, 1 turns off the bias current to RFH0 output driver.
0
ZERO_BIAS
0 shuts down the RF PLL. This mode is used with an external RF PLL.
1
RF_PLL_
SHDN
0 shuts down the IF PLL. This mode is used with an external IF PLL.
1
IF_PLL_SHDN
FUNCTION
BIT NAME
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