參數(shù)資料
型號： 73M1922-DB
廠商： Maxim Integrated Products
文件頁數(shù)： 51/82頁
文件大?。?/td> 0K
描述： BOARD DEMO 73M1922 20-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 1
主要目的： *
嵌入式： 否
已用 IC / 零件： *
主要屬性： *
次要屬性： *
已供物品： 板，CD
DS_1x22_017
73M1822/73M1922 Data Sheet
Rev. 1.6
55
9.3
Signal Control Functions
Table 39: Signal Control Functions
Function
Mnemonic
Register
Location
Type
Description
TXBST
0x14[7]
WO
Transmit Boost
Used in conjunction with DAA to manage transmit level. If set to 1,
Transmit signal is increased by 6 dB. See Section 9.3.1.
DAA
0x14[6:5]
WO
DAA Tx Gain
Used in conjunction with TXBST to manage transmit level. See
Section 9.3.1.
RXBST
0x14[3]
W
Received Boost
If set to 1, Receive signal is increased by 20 dB.
Default is 0.
RXG
0x14[1:0]
WO
Receive Gain
Sets the receive path gain/attenuation. See Table 41.
TXEN
0x16[7]
WO
Transmit Path Enable
1 = Enable Transmit Path.
0 = Disable Transmit Path. (Default)
RXEN
0x16[6]
WO
Receive Path Enable
1 = Enable Receive Path.
0 = Disable Receive Path. (Default)
9.3.1
Transmit and Receive Level Control
On the transmit side, 0 dBm transmit programming at the MAFE interface results in ~0 dBm on the line. On
the receive side, 0 dBm receive signal on the line results in ~0 dBm at the MAFE interface.
On the transmit side there are three bits to adjust the transmit level: TXBST (Register 0x14[7]), DAA(1:0)
(Register 0x14[6:5]).
Table 40: Transmit Gain Control
TXBST DAA1 DAA0 Gain, nom. Units
0
+2.0
dB
0
1
0.0
dB
0
1
0
-4.0
dB
0
1
-8.0
dB
1
0
+8.0
dB
1
0
1
+6.0
dB
1
0
+2.0
dB
1
-2.0
dB
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