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TDA8050A Fiches technique(PDF) 7 Page - NXP Semiconductors |
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TDA8050A Fiches technique(HTML) 7 Page - NXP Semiconductors |
7 / 28 page 1999 Nov 05 7 Philips Semiconductors Product specification QPSK transmitter TDA8050A Quadrature modulator I and Q inputs Vi(DC) input DC level − 0.5 × VCC − V Vi(p-p) signal input level (balanced) (peak-to-peak) indicative − 400 500 mV fi(max) I and Q maximum input frequency indicative − 10 − MHz Zi(dif) differential input impedance − 4.4 − k Ω B(1 dB) 1 dB bandwidth amplifier indicative − 10 − MHz Modulator fc output centre frequency −− 140 MHz ∆A amplitude imbalance see Fig.3 −− ±1dB ∆Φ phase imbalance −− ±2 deg LO(sup) LO suppression see Fig.3 −−28 − dBc Zo(dif) differential output impedance − 1.8 − k Ω Modulator VCO FOSC(mod) oscillation frequency −− 280 MHz Converter output VO output level f = 5 MHz; Vi = 100 mVdif at I and Q inputs 37.5 40 42.5 dBmV ∆VO output flatness f = 5 to 65 MHz; Vi = 100 mVdif at I and Q inputs −− 2dB fc output centre frequency 5 − 65 MHz Zo(dif) differential output impedance − 150 −Ω IP3 3rd order interception point at I input see Fig.4 −− 52 dBmV H2 2nd order harmonic of 5 to 65 MHz signal f = 10 to 130 MHz; Vi = 100 mVdif at I and Q inputs −− −40 dBc H3 3rd order harmonic of 5 to 65 MHz signal f = 15 to 195 MHz; Vi = 100 mVdif at I and Q inputs −− −40 dBc SO mixer spurious outputs of 5 to 65 MHz signal f = 5 to 65 MHz; Vi = 100 mVdif at I and Q inputs −− −45 dBc Converter VCO fosc(min) minimum oscillation frequency −− 145 MHz fosc(max) maximum oscillation frequency 205 −− MHz SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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