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MA44767

Tyco Electronics
Part Number MA44767
Manufacturer Tyco Electronics
Description Surface Mount Low Power Step Recovery Diodes
Published Jul 24, 2007
Detailed Description www.DataSheet4U.com Also Offering RoHs Compliant MA44700 Series V4 Absolute Maximum Ratings @ TA=+25 °C (Unless Otherwi...
Datasheet PDF File MA44767 PDF File

MA44767
MA44767

Overview
www.
DataSheet4U.
com Also Offering RoHs Compliant MA44700 Series V4 Absolute Maximum Ratings @ TA=+25 °C (Unless Otherwise Noted) 1 Parameter Operating Temperature Storage Temperature Reverse Voltage Forward Bias Current Power Dissipation Absolute Maximum -65 °C to +125 °C -65 °C to +125 °C 30V 50 mA 250 mW Surface Mount Low Power Step Recovery Diodes Features • • • • • Surface Mount Packages (SOT-23,SC-79) Low transition times SPC Process for Superior C-V Repeatability Tape and Reel Packaging Designed for Commercial Wireless Applications Description The MA44700 series of Step Recovery diodes is designed for use in low power multipliers with output frequencies of up to 5 GHz.
These Step Recovery diodes generate harmonics by storing a charge as the diode is driven to forward conductance by the positive voltage of the input signal.
When the signal reverses polarity, this charge is extracted.
The Step Recovery diode will appear as a low impedance currentsource until all the charge is extracted, then it will “snap” to a higher impedance.
This causes a voltage pulse to form in the impulse circuit of the multiplier.
Step Recovery diodes make excellent high order multipliers such as comb generators.
They are also useful as efficient moderate power X2-X4 multipliers.
1.
Operation of this device above any one of these parameters may cause permanent damage.
2.
Please refer to application note M538 for surface mounting instructions Typical Capacitance vs.
Bias (V) freq=1MHz 8 7 6 MA44768 MA44769 MA44767 Capacitance (pF) 5 4 3 2 Applications The MA44700 series step recovery are useful for surface mount low power applications.
1 0 0 5 10 15 20 25 30 Bias(V) CT2 RoHs Compliant Part Number (non-RoHs) Available Part Numbers (pF) f=1 MHz, VR=6.
0V Min.
MA44767-287T MA44768-287T MA44769-287T 1 2 Reverse Voltage (V) Nominal Carrier Transition Time Nominal Input Nominal Output (nS) Ir =10 uA Min.
30 30 30 Typical 250-500 75-225 20-50 (pS) (GHz) (GHz) Max.
4.
5 2.
4 1.
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