Product Detail

MSPD1011-121
Sampling Phase Detector Modules-Low Barrier
The Sampling Phase Detector (SPD) module is a hybrid circuit providing a fast Step Recovery Diode, coupling capacitors and a low barrier Schottky pair. The Schottky pair is used as a sampling circuit turned on by the fast step from the Step Recovery Diode, or in the frequency domain, the Schottkys act as a mixer to mix the harmonic of the SRD step closest to the microwave frequency. The output is a beat frequency (the difference between the harmonic of the reference and the microwave frequency) and is just a DC voltage at the lock point. It is used to phase lock DRO’s and VCO’s from 10 to 1000 MHz (TYP) reference frequencies.
Features
  • Operating Frequency: 10 MHz to 20 GHz
  • Surface mount package: 3.3 mm (L) x 2.8 mm (W) x 1.5 mm (H)
  • RoHS Compliant
Applications
  • High frequency sampling
  • Phase locked loops
Specifications
  • SD CJ TYP: 0.08 pF
  • Cap. CT TYP: 0.5 pF
  • SRD TL TYP: 10 ns
  • SRD VBR MIN: 15 V
  • SD RD TYP: 20 mV
  • FMW TYP: 20 GHz
  • SRD CJ TYP: 22 pF
  • SRD TT MAX: 100 ps
  • SD VF TYP: 300 
Package
  • CS121
Part Number Package MACOM Richardson RFPD DigiKey Mouser
MSPD1011-121
Phase Detector, Module, CS121
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