BT1074B Monolithic 900MHz RF Transceiver

Completely integrates the RF transceiver front-end into one chip; Contains 2 local oscillators (VCO) internally; Has an I/Q input interface; Powers from a single power supply within 2.7V to 3.3V; Uses low-energy BiCMOS technology; Contains internally RF power amplifier; The power supply can be selected within the range of -2dBm to +14dBm; The working environment temperature is -40°C. C date +85. C (industrial grade). Product application examples: 900 MHz digital telephone; wireless communication products; CT-2 cordless telephone; various applications in the 902-928MHz ISM band. Product Description: BT1704B is a monolithic integrated RF transceiver using BiCMOS technology. Its RF input/output signal range is 890 MHz to 940 MHz, which is the most suitable frequency band for digital cordless phones. In addition to the input I/Q interface, the chip also contains all the necessary components to form an RF-IF transceiver. Includes 2 local oscillators, 1 low-noise amplifier (whose overall noise figure is less than 3.5dB regardless of temperature and supply voltage changes), 2 high-linear downconversion mixers, 1 IF amplifier, 1 an upconversion mixer and an internal amplifier (-2dBm +14dBm). BT1074B can operate normally within the supply voltage range of 2.7-3.3V. Parameters Minimum value Typical value Maximum value Unit supply voltage 2.7 3 3.3 V Bypass current 3 5 7 μA Frequency 902 MHz Receiver section gain value (with optional IF amplifier) ​​18 35 50 dB Noise figure 3.5 dB Input IP3 -13 dB Current Consumption (without RF VCO) 80 mA LNA: Gain value 14 17 20 dB Input IP3 -11 dBm Input 1 dB compression point -21 dBm Noise figure 1.5 2.9 4.7 dB S11 -10 -14 -17 dB Input impedance 50 ohm RF downconversion Mixer: Gain Value 4 9 10 dB Parameters Minimum Typical Value Maximum Unit Input IP3 5 dBm Input 1 dB compression point -5 dBm Noise Figure 11 dB Input Impedance 700 ohm IF Downconversion Mixer: Gain Value 4 9 10 dB & IF amplifier input IP3 5 dBm Input 1 dB compression point -5 dBm Noise figure 11 dB Input impedance 700 ohm Output impedance 330 ohm Transmitter section: Gain value 16 dB Current consumption (without RF and IF VCO) 150 mA I/Q adjustment filter Device: Input impedance>20 Kohm I/Q input frequency<1 MHz I/Q input oscillation amplitude 0.5 Vp-p I/Q input DC level VDD/2 V M-REF DC level VDD/2 V RF upconversion mixer: Variable gain value (internal) 0 dB Input IP3 -10 dBm Input 1 dB compression point -20 dBm Amplifier: Output high power mode +14 +16 dBm (50 ohm load) Output low power mode -2 dBm Voltage gain value 25 dB Output impedance 50 ohm output 1 decibel compression point +13 dBm output spurious suppression -40 -30 dBm RF VCO part frequency range 750 775 800 MHz closed loop VCO phase noise @100KHz -100 dBc/Hz VCO phase noise @1MHz -120 dBc/Hz IF VCO part Frequency Range