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SSO28 Datasheet(PDF) 2 Page - TEMIC Semiconductors |
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SSO28 Datasheet(HTML) 2 Page - TEMIC Semiconductors |
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2 / 11 page ![]() U2761B TEMIC Semiconductor Rev. A4, 10-Mar-98 Preliminary Information 2 (11) Pin Description 1 2 3 4 5 6 7 8 10 9 27 22 21 20 18 19 17 12 11 28 25 26 23 24 16 15 14 13 14808 MIXER_OUT1 TX_ON VS2 OP_OUT OP_P OP_N RX_ON DEMOD_OUT MIXER_OUT2 QUAD_TANK2 LO_IN1 LO_IN2 GND3 QUAD_TANK1 GND2 MIXER_IN1 VS1 IF_TANK1 TX_RF_OUT IF_TANK2 IF_IN2 IF_IN1 PU RSSI GND1 MIXER_IN2 RAMP_OUT RAMP_SET Figure 2. Pinning Pin Symbol Function 1 RSSI Received signal strength indicator output 2 PU Hardware power-up input 3 IF_TANK1 IF tank circuit Pin 1 4 IF_TANK2 F tank circuit Pin 2 5 GND1 Ground 6 MIXER_IN1 Mixer RF differential input 1 7 MIXER_IN2 Mixer RF differential input 2 8 GND2 Ground 9 TX_RF_OUT Output of TX driver amplifier 10 VS1 Supply voltage input 1 11 IF_IN1 IF amplifier differential input 1 12 IF_IN2 IF amplifier differential nput 2 13 RAMP_OUT Ramp signal output for PA 14 RAMP_SET Slew-rate setting of ramp signal 15 RX_ON RX control input 16 TX ON TX control input 17 MIXER_OUT1 Mixer IF differential output 1 18 MIXER_OUT2 Mixer IF differential output 2 19 VS2 Supply voltage input 2 20 LO_IN1 Local oscillator input 1 21 LO_IN2 Local oscillator input 2 22 GND3 Ground 23 QUAD_TANK1 Quadrature tank circuit 1 24 QUAD TANK2 Quadrature tank circuit 2 25 DEMOD_OUT Output of demodulator 26 OP_N OP – Input inverting 27 OP_P OP – Input non-inverting 28 OP_OUT OP – Output |
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