Datasheet Analog Devices AD8319 — 数据表

1 MHz to 10 GHz, 45 dB
Log Detector/Controller
AD8319 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM
VPOS GAIN
BIAS DET DET DET TADJ SLOPE I V VSET I V VOUT DET
CLPF INHI
INLO COMM APPLICATIONS 05705-001 Wide bandwidth: 1 MHz to 10 GHz
High accuracy: ±1.0 dB over temperature
45 dB dynamic range up to 8 GHz
Stability over temperature: ±0.5 dB
Low noise measurement/controller output VOUT
Pulse response time (fall/rise): 6 ns/10 ns
Small footprint: 2 mm × 3 mm LFCSP
Supply operation: 3.0 V to 5.5 V @ 22 mA
Fabricated using high speed SiGe process Figure 1. RF transmitter PA setpoint controls and level monitoring
Power monitoring in radiolink transmitters
RSSI measurement in base stations, WLANs, WiMAX,
and radars GENERAL DESCRIPTION
The AD8319 is a demodulating logarithmic amplifier, capable
of accurately converting an RF input signal to a corresponding
decibel-scaled output. It employs the progressive compression
technique over a cascaded amplifier chain, each stage of which …

1 MHz to 10 GHz, 45 dB
Log Detector/Controller
AD8319 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM
VPOS GAIN
BIAS DET DET DET TADJ SLOPE I V VSET I V VOUT DET
CLPF INHI
INLO COMM APPLICATIONS 05705-001 Wide bandwidth: 1 MHz to 10 GHz
High accuracy: ±1.0 dB over temperature
45 dB dynamic range up to 8 GHz
Stability over temperature: ±0.5 dB
Low noise measurement/controller output VOUT
Pulse response time (fall/rise): 6 ns/10 ns
Small footprint: 2 mm × 3 mm LFCSP
Supply operation: 3.0 V to 5.5 V @ 22 mA
Fabricated using high speed SiGe process Figure 1. RF transmitter PA setpoint controls and level monitoring
Power monitoring in radiolink transmitters
RSSI measurement in base stations, WLANs, WiMAX,
and radars GENERAL DESCRIPTION
The AD8319 is a demodulating logarithmic amplifier, capable
of accurately converting an RF input signal to a corresponding
decibel-scaled output. It employs the progressive compression
technique over a cascaded amplifier chain, each stage of which …