Datasheet AD8312 (Analog Devices) - 10

ManufacturerAnalog Devices
Description50 MHz TO 3.5 GHz, 45 dB RF Detector
Pages / Page20 / 10 — AD8312. Data Sheet. 100ns/HORIZ DIV. RISE TIME 85ns. FALL TIME 120ns. …
RevisionB
File Format / SizePDF / 1.4 Mb
Document LanguageEnglish

AD8312. Data Sheet. 100ns/HORIZ DIV. RISE TIME 85ns. FALL TIME 120ns. 500mV/. VOUT. VERT DIV. 500mV/VERT DIV. PULSED RF. RF INPUT

AD8312 Data Sheet 100ns/HORIZ DIV RISE TIME 85ns FALL TIME 120ns 500mV/ VOUT VERT DIV 500mV/VERT DIV PULSED RF RF INPUT

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AD8312 Data Sheet 100ns/HORIZ DIV RISE TIME 85ns FALL TIME 120ns 500mV/ VOUT VERT DIV 500mV/VERT DIV VOUT PULSED RF RF INPUT 0.1GHz, 0dBm VPOS 2V/VERT DIV
015
200mV/VERT DIV
018
1

s/HORIZ DIV
05260- 05260- Figure 15. VOUT Response Time, RF Off to 0 dBm Figure 18. Power-On and Power-Off Response
ROHDE & SCHWARZ TRIG TRIG OUT 10MHz EXT HP8116A SMT06 GENERATOR HP8648B OUT REF OUTPUT TRIG PULSE PULSE MODULATION SIGNAL GENERATOR GENERATOR PULSE RF OUT 20dBm RF OUT OUT +3dB RF –3dB AD811 49.9 SPLITTER AD8312 –3dB 732 3V 1 VPOS RFIN 6 0.1

F 52.3 AD8312 2 VOUT COMM 5 1 VPOS RFIN 6 3 VSET CFLT 4 NC CH3* TRIG 52.3 2 VOUT COMM 5 NC = NO CONNECT TEKTRONIX CH1 TDS51504 SCOPE 3 VSET CFLT 4 NC TRIG *50 TERMINATION
05260-016
NC = NO CONNECT TEKTRONIX TEKTRONIX
019
P6204 TDS784C FET PROBE SCOPE
05260- Figure 16. Test Setup for Pulse Response Figure 19. Test Setup for Power-On and Power-Off Response
+j1 10k +j0.5 +j2 ) z +j0.2 V/ H 1k n ITY ( S N E D 100 L 0 A 0.2 0.5 1 2 0.1GHz TR 0dBm 10 –10dBm –20dBm 0.9GHz OISE SPEC –j0.2 N –40dBm 1.9GHz –60dBm 3.5GHz 2.2GHz RF OFF 1
05260-020
–j0.5 –j2 1 3 10 30 100 300 1k 3k 10k 2.5GHz
05260-017
FREQUENCY (kHz) –j1
Figure 17. Input Impedance vs. Frequency; No Termination Resistor on RFIN Figure 20. Noise Spectral Density of Output; CFLT = Open Rev. B | Page 10 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS GENERAL DESCRIPTION APPLICATIONS INFORMATION BASIC CONNECTIONS TRANSFER FUNCTION IN TERMS OF SLOPE AND INTERCEPT Filter Capacitor Input Coupling Options Increasing the Logarithmic Slope Effect of Waveform Type on Intercept Temperature Drift Operation Above 2.5 GHz Device Handling Evaluation Board OUTLINE DIMENSIONS ORDERING GUIDE