TQ5M31
Data Sheet
ISM Band Typical Performance/Applications circuit
Test Conditions (Unless Otherwise Specified): Vdd=2.8V, Ta=25C, RF=2443MHz, LO=2203MHz, LO input –4dBm, IF=240MHz,Current≈7mA, Gain≈2.5dB, IIP3≈+9dB
L1
Vdd
Vdd
C1
R3
GIC
L2
IF
GND
Vdd
C2
C3
IF
OUT
C4
C7
R4
50 ohm LO LO
INPUT
50 ohm
RF
RF
INPUT
Bill of Material for TQ5M31 Downconverter Mixer PCS band
Component
Receiver IC
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Inductor
Inductor
Resistor
Resistor
Reference Designator
U1
C1
C2
C3
C4
C7
L1
L2
R3
R4
Part Number
TQ5M31
Value
220pF
1000pF
12pF
10pF
150pF
1.8nH
47nH
20ohm
47ohm
Size
SOT23-6
0402
0402
0402
0402
0402
0402
0402
0402
0402
Manufacturer
TriQuint Semiconductor
ISM Band: Idd vs. Vdd vs. Frequency
8.5
8
7.5
7
Vdd=2.8V
6.5
Vdd=1.8V
Vdd=3.8V
Vdd=4.8V
6
2400
2420
2440
2460
2480
Frequency (MHz)
ISM band: C/G vs. LO Drive vs. Frequency
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
PLO=-7dBm
1.9
PLO=-4dBm
1.7
PLO=-1dBm
1.5
2400
2420
2440
2460
2480
Frequency (MHz)
10
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