參數(shù)資料
型號: LMX2240M
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Intermediate Frequency Receiver
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO16
封裝: PLASTIC, SOP-16
文件頁數(shù): 2/12頁
文件大小: 208K
代理商: LMX2240M
Connection Diagram
Small Outline Package
TL/W/11755–2
Top View
Order Number LMX2240M
See NS Package Number M16A
Pin Description
Pin No.
Pin Name
I/O
Description
1
PD
I
Power Down; a HIGH signal switches the part to power down mode.
2
RSSI Out
O
Voltage output of the received signal strength indicator (RSSI).
3
NC
No connection
4
GND
Ground
5
GND
Ground
6
MID
O
Mid-range output of the discriminator; can be used for comparator threshold.
7
Demod Out
O
Demodulated output of the discriminator.
8
V
CC
(Mixer)
Source voltage for the mixer (discriminator).
9
V
CC
(Lim.)
Source voltage for the limiter.
10
Quad In
I
Quadrature input. A DC path from source through an inductor must be present at
this pin, but, there must be no series resistance (a parallel resistor to the inductor
is acceptable).
11
Lim. Out
O
Limiter output to the quadrature tank.
12
GND
Ground
13
GND
Ground
14
Comp.
Compensation pin for the limiter. See Applications Information for capacitor
value.
15
Comp.
Compensation pin for the limiter. See Applications Information for capacitor
value.
16
IF In
I
IF input to the limiter.
2
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