TQ5121
Data Sheet
Package Pinout
16
15
14
13
12
11
10
9
Optional
GND
N/C
Mixer IF/
Vdd
GND
MXR RF
GND
LNA
Out
N/C
N/C
N/C
Vdd MXR
1
2
3
MXR LO 4
VDD LNA
GND
RF IN
GND
5
6
7
8
Pin Descriptions
Pin Name
N/C
N/C
VDD_MXR
MXR_LO
VDD_LNA
GND
LNA_IN
GND_LNA
N/C
LNA_OUT
GND
MXR_RF
GND
MXR_IF
N/C
Optional
GND
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Description and Usage
No Connection
No Connection
Mixer LO buffer supply voltage. Local bypass capacitor required.
Mixer LO input. DC blocked, matched to 50Ω
LNA supply voltage. Local bypass capacitor required.
Ground
LNA input. DC blocked. Requires external matching elements for noise match and match to 50Ω
LNA first stage ground connection. Connection to ground.
No connection
LNA output. DC blocked. Matched to 50Ω.
Ground
Mixer RF input, DC blocked. Matched to 50Ω.
Ground
Mixer IF output. Open drain output, connection to Vdd required. External matching is required.
No connection
Optional ground
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9
TRIQUINT [ TRIQUINT SEMICONDUCTOR ]
