Features: • Low insertion loss• High suppression of 2nd,3rd , 4th harmonics• High selectivity• Balanced to single-ended operation• GSM Input: 310 Ohm balanced PCN/PCS Input: 80 Ohm balanced• 50 Ω single-ended output impedances.• Integrated DC-biasing...
TQ1422: Features: • Low insertion loss• High suppression of 2nd,3rd , 4th harmonics• High selectivity• Balanced to single-ended operation• GSM Input: 310 Ohm balanced PCN/PCS I...
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Parameter |
Min |
Max |
Unit |
Maximum input power |
25 |
dBm | |
Maximum bias current GSM |
50mA(Rmax=2Ohm) |
mA | |
Maximum bias current PCN/PCS |
50mA(Rmax=1.5Ohm) |
mA | |
Operation temperate range |
-40 |
+85 |
°C |
Storage temperature range |
-60 |
+150 |
°C |
TQ1422 is a quadband capable TX bandpass filter for GSM850/E-GSM/DCS1800/PCS1900 applications. The integrated passive filter provides an optimum interface between the TQM7M4011/4012/4014 Power Amplifier Modules and direct conversion transceiver with balanced outputs. TQ1422 replaces up to 17 surface-mount components [including 2 Baluns and/or SAW filter] typically required on the phone board to provide similar functionality. High value inductors to
supply open collector modulators of TQ1422 are integrated.