(NC400 Series) UHF/Microwave Mixer Diode
Description
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0.
1 Hz to 110 GHz
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nc100/200/300/400 series
30
NOISE DIODES
Noise Com's noise diodes are the fundamental building blocks of all noise systems.
They are hand-picked for performance characteristics that make them ideally suited to broadband noise generation with flat response.
All Noise Com noise diodes deliver symmetrical white Gaussian noise and flat output power versus frequency.
The diodes are burned-in for 168 hours, meet MIL-STD202, and are hermetically sealed.
Noise Com noise diodes are available in a wide variety of package styles, and in special configurations on request.
The NC100 and NC200 Series diodes are designed for audio and RF applications.
The NC300 and NC400 Series diodes are designed for microwave applications in which a 50-ohm impedance is required.
Typical small signal impedance of the NC300 and NC400 Series is 10-20 ohms when a diode is turned on.
Typically the output level is higher at low frequencies with low currents.
Driving the diodes with more current results in more output at higher frequencies.
General Specifications:
Output Operating temperature White Gaussian Noise 0˚C to +55˚C for NC100 series -55˚C to +125˚C for all others Storage temperature -65˚C to +150˚C Specifications subject to change without notice.
Applications:
• Built-in test equipment (BITE) • Dither circuitry for A/D converters
TYPICAL BIAS CIRCUIT
CATHODE R + 15V – C RF RL
For NC100 Series R = 150K For NC200 Series R = 15K For NC300/400 Series R = Adjust for performance R L= Load resistor For recommended value, see charts on page 31
C≥
1 2πRL(fc)
fc = low frequency cut-off
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COMPONENTS
31
CH1 Chip (inches)
CH2 Chip (inches)
CH3 Chip (inches)
NC100-400 SERIES
C10 (inches)
C50 (inches)
C50H (inches)
DO-35 Package (inches) MODEL NC101 NC102 NC103 NC104 NC201 NC202 NC203 FREQUENCY RANGE 0.
1 Hz - 100 kHz 0.
1 Hz - 500 kHz 0.
1 Hz - 1 MHz 0.
1 Hz - 3 MHz 0.
1 Hz - 10 MHz 0.
1 Hz - 25 ...
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