CXA8044Q (1/2) IL08 BALANCED MODULATOR AND RF ENVELOPE DETECTOR 24 23 22 21 20 19 18 17 —TOP VIEW— 5 NC GND NC NC NC NC 25 26 27 28 29 30 31 32 VCC NC 31 15 16 15 14 13 12 11 10 9 27 11 12 13 14 29 20 1 2 3 4 5 6 7 8 7 9 22 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I/O SIGNAL — – O — I O I — I — I I I I — O NC PB 5V S/H A VCC PB PILOT PRE-AMP GCA NC GAIN CNT NC FH 3FH ATF SWP TRKG VREF BM OUT 1 PIN NO. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 I/O — O — I — I — O — O I O I O I O PB PILOT NFB VREF S/H A PLS FH 3FH ATF SWP TRKG S/H B PLS REF 1 GCA GAIN CNT REF 2 SIGNAL NC BM OUT 1 GND REF1 NC REF2 NC BM OUT 2 LPF HOLD A S/H A PLS HOLD B S/H B PLS AYF LOCK NFB OUT PRE-AMP OUT LPF HOLD A S/H A HOLD B ATF LOCK BM OUT 1 BM OUT 1 BM OUT 2 6 32 25 26 3 28 30 16 18 24 CXA8044Q (2/2) PB PILOT NFB VREF S/H A PLS FH 3FH 5 31 15 6 PRE AMP _ + 32 VREF GEN 12 25 26 ENVELOPE DETECTOR REF AMP ENVELOPE DETECTOR ATF SWP TRKG S/H B PLS REF1 GCA GAIN CNT + _ S/H A DC AMP 3 28 S/H B SCHMIDT TRIG 30 LPF HOLD A S/H A HOLD B ATF LOCK 13 14 29 20 7 GAIN CONTROL AMPLIFIER BALANCED MODULATOR 16 18 BM OUT 1 BM OUT 1 9 BALANCED MODULATOR REF2 OUT VREF 27 11 PRE-AMP 22 24 BM OUT 2