MC13821-2400EVK Freescale Semiconductor, MC13821-2400EVK Datasheet - Page 7
MC13821-2400EVK
Manufacturer Part Number
MC13821-2400EVK
Description
RF Modules & Development Tools LNA W/BYPASS SWITCH
Manufacturer
Freescale Semiconductor
Datasheet
1.MC13821-1960EVK.pdf
(42 pages)
Specifications of MC13821-2400EVK
Product
RF Modules
Maximum Frequency
2400 MHz
Supply Voltage (max)
3.3 V
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Freescale Semiconductor
Circuit Bias VCC1
Toggles Gain Mode (Active or
Bypass)
Toggles LNA On/Off
LNA Bias VCC3
NOTES: 1. Logic state "1" equals V
2. VCC3 is inductively coupled to LNA OUT pin
3. Minimum logic state “1” for enable and gain pins is 1.25 V.
4. Minimum logic state “0” for enable and gain pins is 0.8 V.
Pin Function
Figure 2. Maximum Stable/Available Gain and Forward Insertion Gain vs. Frequency
CC
voltage. Logic state of "0" equals ground potential.
30
25
20
15
10
5
0
0.5
Pin Name
ENABLE
LNA Out
MC13821 Data Sheet: Technical Data, Rev. 1.5
VCC1
GAIN
1.5
Forward Insertion Gain vs. Frequency
|S21|
Maximum Stable/Available Gain and
MSG
Table 5. Truth Table
2
(Rbias = 2 kΩ)
Low Gain
Rbias is 2 kohm
1
0
1
1
2.5
f, Frequency (GHz)
Enable
3.5
High Gain
1
1
1
1
MAG
4.5
Low Gain
5.5
1
0
0
1
Electrical Specifications
Disable
High Gain
1
1
0
1
7
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