Name: ANGGREK Logarithmic Detector Controller Logarithmic Power Meter Logarithmic Controller For ALC AGC
Brand: Anggrek
SKU: 4H8Z2Z3RP11H
Availability: OutOfStock

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ANGGREK Logarithmic Detector Controller Logarithmic Power Meter Logarithmic Controller For ALC AGC

<ul><li>It employs the progressive compression technique over a cascaded chain, each stage of which is equipped with a detector cell</li><li>Application to RF transmitter PA setpoint control and level monitoring RSSI measurement in base stations, WLAN, WiMAX, and radars</li><li>The AD8318 is a demodulating logarithmic , capable of accurately converting an RF input signal to a corresponding decibel-scaled output voltage</li></ul>

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Descriptions: The AD8318 is a demodulating logarithmic , capable of accurately converting an RF input signal to a corresponding decibel-scaled output voltage. It employs the progressive compression technique over a cascaded chain, each stage of which is equipped with a detector cell. The device is used in measurement or controller mode. The AD8318 maintains accurate log conformance for signals of 1 MHz to 6 GHz and provides useful operation to 8 GHz. The input range is typically 60 dB (re: 50 Ω) with error less than ±1 dB. The AD8318 has a 10 ns response time that enables RF burst detection to beyond 45 MHz. The device provides unprece-dented logarithmic intercept stability vs. ambient temperature conditions. A 2 mV/°C slope temperature sensor output is also provided for additional system monitoring. A single supply of 5 V is required. Current consumption is typically 68 mA. Power consumption decreases to &lt;1.5 mW when the device is . The AD8318 can be configured to provide a control voltage to a VGA, such as a power or a measurement output, from Pin VOUT. Because the output can be used for controller applications, wideband noise is minimal. &nbsp;In this mode, the setpoint control voltage is applied to VSET. The feedback loop through an RF is closed via VOUT, the output of which regulates the output to a magnitude corresponding to VSET. The AD8318 provides 0 V to 4.9 V output capability at the VOUT pin, suitable for controller applications. As a measurement device, Pin VOUT is externally connected to VSET to produce an output voltage, VOUT, which is a decreasing linear-in-dB function of the RF input signal amplitude. The logarithmic slope is nominally -25 mV/dB but can be adjusted by scaling the feedback voltage from VOUT to the VSET interface. The intercept is 20 dBm (re: 50 Ω, CW input) using the INHI input. These parameters are very stable against supply and temperature variations. The AD8318 is fabricated on a SiGe bipolar IC process and is available in a 4 mm x 4 mm, 16- LFCSP for the operating temperature range of -40℃~85℃. Features: <ul> <li> &nbsp;Application to RF transmitter PA setpoint control and level monitoring RSSI measurement in base stations, WLAN, WiMAX, and radars. </li> <li> The AD8318 is a demodulating logarithmic , capable of accurately converting an RF input signal to a corresponding decibel-scaled output voltage. </li> <li> It employs the progressive compression technique over a cascaded chain, each stage of which is equipped with a detector cell. </li> <li> The AD8318 can be configured to provide a control voltage to a VGA, such as a power or a measurement output, from Pin VOUT. </li> <li> Small footprint LFCSP,Integrated temperature sensor,Fabricated using high speed SiGe process. </li> </ul> Specifications: Wide bandwidth: 1 MHz to 8 GHz High accuracy: ±1.0 dB over 55 dB range (f &lt; 5.8 GHz) Stability over temperature: ±0.5 dB Low noise measurement/controller output (VOUT) Pulse response time: 10 ns/12 ns (fall/rise) Power-down feature: &lt;1.5 mW at 5 V Single-supply operation: 5 V @ 68 mA Size:35*37mm/0.38*1.46inch For details, please enter the link below: https://www.sendspace.com/file/bptaxu Package Included: 1 x AD8318 1M-8GHz 70dB Logarithmic Detector

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