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KH561 Fiches technique(PDF) 1 Page - Fairchild Semiconductor |
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KH561 Fiches technique(HTML) 1 Page - Fairchild Semiconductor |
1 / 13 page Features s 150MHz bandwidth at +24dBm output s Low distortion (2nd/3rd: -59/-62dBc @ 20MHz and 10dBm) s Output short circuit protection s User-definable output impedance, gain, and compensation s Internal current limiting s Direct replacement for CLC561 Applications s Output amplification s Arbitrary waveform generation s ATE systems s Cable/line driving s Function generators s SAW drivers s Flash A/D driving and testing General Description The KH561 is a wideband DC coupled, amplifier that combines high output drive and low distortion. At an output of +24dBm (10Vpp into 50Ω), the -3dB bandwidth is 150MHz. As illustrated in the table below, distortion performance remains excellent even when amplifying high-frequency signals to high output power levels. With the output current internally limited to 250mA, the KH561 is fully protected against shorts to ground and can, with the addition of a series limiting resistor at the output, withstand shorts to the ±15V supplies. The KH561 has been designed for maximum flexibility in a wide variety of demanding applications. The two resistors comprising the feedback network set both the gain and the output impedance, without requiring the series backmatch resistor needed by most op amps. This allows driving into a matched load without dropping half the voltage swing through a series matching resistor. External compensation allows user adjustment of the frequency response. The KH561 is specified for both maximally flat frequency response and 0% pulse overshoot compensations. The combination of wide bandwidth, high output power, and low distortion, coupled with gain, output impedance and frequency response flexibility, makes the KH561 ideal for waveform generator applications. Excellent stability driving capacitive loads yields superior performance driving ADC’s, long transmission lines, and SAW devices. A companion part, the KH560, offers superior pulse fidelity for high accuracy DC coupled applications. The KH561 is constructed using thin film resistor/bipolar transistor technology, and is available in the following versions: KH561AI -25°C to +85°C 24-pin Ceramic DIP KH561AK -55°C to +125°C 24-pin Ceramic DIP, features burn-in and hermetic testing KH561AM -55°C to +125°C 24-pin Ceramic DIP, environmentally screened and electronically tested to MIL-STD-883 KH561 Wideband, Low Distortion Driver Amplifier www.fairchildsemi.com REV. 1A February 2001 4 19 23 21 20 15 10 5 18 8 + - Compensation Vo -VCC All undesignated pins are internally unconnected. May be grounded if desired. +VCC V+ V- Frequency Response vs. Output Power Frequency (MHz) 16 12 6 0 40 80 120 160 200 10 8 14 Po = 10dBm Vo = 2Vpp Po = 24dBm Vo = 10Vpp Po = 27.5dBm Vo = 15Vpp Po = 18dBm Vo = 5Vpp Typical Distortion Performance Output 20MHz 50MHz 100MHz Power 2nd 3rd 2nd 3rd 2nd 3rd 10dBm -59 -62 -52 -60 -35 -49 18dBm -52 -48 -45 -46 -30 -36 24dBm -50 -41 -36 -32 -40 -30 |
Numéro de pièce similaire - KH561 |
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Description similaire - KH561 |
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