AD8314ARM-REEL Analog Devices Inc, AD8314ARM-REEL Datasheet
AD8314ARM-REEL
Specifications of AD8314ARM-REEL
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AD8314ARM-REEL Summary of contents
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FEATURES Complete RF detector/controller function Typical range:−58 dBV to −13 dBV −45 dBm to 0 dBm Ω Frequency response from 100 MHz to 2.7 GHz Temperature-stable linear-in-dB response Accurate to 2.7 GHz Rapid response ...
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AD8314 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configurations and Function Descriptions............................ 5 Typical Performance Characteristics ...
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SPECIFICATIONS 25°C, unless otherwise noted Table 1. Parameter OVERALL FUNCTION 1 Frequency Range Input Voltage Range Equivalent Power Range Logarithmic Slope Logarithmic Intercept Equivalent dBm Level INPUT INTERFACE DC Resistance to COMM ...
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AD8314 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage VPOS V_UP, V_DN, VSET, ENBL Input Voltage Equivalent Power Internal Power Dissipation θ (MSOP) JA θ (LFCSP, Paddle Soldered) JA θ (LFCSP, Paddle Not Soldered) JA Maximum Junction Temperature Operating Temperature ...
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PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1 RFIN RF Input. 2 ENBL Connect Pin VSET Setpoint Input for Operation in Controller Mode. To operate in detector mode connect VSET ...
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AD8314 TYPICAL PERFORMANCE CHARACTERISTICS 1.2 1.0 0.8 0.6 0.4 0.2 0 –75 –65 –55 –45 –35 (–52dBm) INPUT AMPLITUDE (dBV) Figure 4. V vs. Input Amplitude UP 1.2 1.0 +25°C 0.8 –40°C +85°C 0.6 +25°C 0.4 SLOPE AND INTERCEPT 0.2 ...
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FREQUENCY (GHz) Figure 10. Slope vs. Frequency; −40°C, +25°C, and +85°C 22 0.1GHz 21 0.9GHz 20 1.9GHz 2.5GHz 19 3.0 3.5 4.0 4.5 2.5 V (V) S ...
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AD8314 AVERAGE: 128 SAMPLES V 500mV/VERTICAL DN DIVISION V GND DN V 500mV/VERTICAL DIVISION UP V GND V UP ENBL 5V PER VERTICAL DIVISION V GND ENBL Figure 16. ENBL Response Time HP8648B EXT TRIG 10MHz REF OUTPUT SIGNAL GENERATOR ...
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V (V) S Figure 22. Maximum V Voltage vs AVERAGE: 128 SAMPLES 500mV/VERTICAL UP DIVISION V GND DN ...
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AD8314 THEORY OF OPERATION The AD8314 is a logarithmic amplifier (log amp) similar in design to the AD8313; further details about the structure and function can be found in the AD8313 data sheet and other log amps produced by ADI. ...
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Table 4. Typical Specifications at Selected Frequencies at 25°C (Mean and Σ) Slope (mV/dB) μ Frequency (GHz) 0.1 21.3 0.9 20.7 1.9 19.7 2.5 19.2 1 Refer to Figure 32. However, the logarithmic slope, the amount by which the output ...
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AD8314 APPLICATIONS BASIC CONNECTIONS Figure 31 shows connections for the basic measurement mode. A supply voltage required. The supply to the VPOS pin should be decoupled with a low inductance 0.1 μF surface-mount ...
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The intercept is the point at which the extrapolated linear response would intersect the horizontal axis (see Figure 32). Using the slope and intercept, the output voltage can be calculated for any input level within the specified input range by ...
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AD8314 When connected control loop, as shown in Figure 34, the voltage V is not explicitly used but is implicated in again UP setting up the required averaging time, by choice of C However, now the effective ...
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Figure 37 shows a third method for coupling the input signal into the AD8314, applicable in applications where the input signal is larger than the input range of the log amp. A series resistor, connected to the RF source, combines ...
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AD8314 MOBILE HANDSET POWER CONTROL EXAMPLES Figure 39 shows a complete power amplifier control circuit for a dual mode handset. This circuit is applicable to any dual mode handset using TDMA or CDMA technologies. The PF08107B (Hitachi) is driven by ...
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Figure 40 shows the relationship between the setpoint voltage, V and output power at 0.9 GHz. The overall gain control SET function is linear in dB for a dynamic range of over 40 dB. Figure 41 shows a similar circuit ...
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AD8314 OPERATION AT 2.7 GHz While the AD8314 is specified to operate at frequencies up to 2.5 GHz, it works at higher frequencies, although it does exhibit slightly higher output voltage temperature drift. Figure 43 shows the transfer function of ...
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Figure 46. Layout of Component Side (MSOP) Table 7. Evaluation Board Configuration Options Component Function TP1, TP2 Supply and Ground Vector Pins. SW1 Device Enable: When in Position A, the ENBL pin is connected to +V operating mode. In Position ...
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... Figure 48. 8-Lead Mini Small Outline Package [MSOP] (RM-8) Dimensions shown in millimeters ORDERING GUIDE Model Temperature Range AD8314ARM −40°C to +85°C AD8314ARM-REEL −40°C to +85°C AD8314ARM-REEL7 −40°C to +85°C 1 AD8314ARMZ −40°C to +85°C AD8314ARMZ-REEL 1 −40°C to +85°C 1 AD8314ARMZ-REEL7 − ...