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Lorch Microwave is now Smiths Interconnect

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Phase Comparators

Lorch Microwave began manufacturing custom RF and Microwave signal processing components more than 30 years ago. Today, they comprise a portion of a broad product line which includes RF and Microwave filters and Integrated Assemblies.

0.2 - 1000 MHz Frequency Range
Up to 33% Bandwidth
Wide Dynamic Range
High Phase Stability
High Accuracy
PC Mount and Connectorized


Schematic, Phase Comparator




Overview
Phase Comparators
Digital Phase Shifters
Voltage Controlled Phase Shifters
Voltage Controlled Attenuators
Broad Band Mixers

 

 
Phase Accuracy
Center Frequency (MHz) Phase Error (º) @ Fo (º)
@ Fo @ Fo +/-5%
0.2-10 +/- 1.0 +/- 3.0 +/- 1.0
10-100 +/- 1.5
+/- 3.5
+/- 1.0
100-200 +/- 1.7 +/- 4.0 +/- 1.5
200-300 +/- 2.0 +/- 4.5 +/- 1.5
300-400 +/- 2.5 +/- 5.0 +/- 1.7
400-500 +/- 2.5 +/- 5.0 +/- 2.0


LO/RF Characteristics
  LO/RF
Frequency, Fo
Bandwith LO Input
Level
RF Input
Level
Nominal
Impedance
VSWR
Low-Level Comparators 0.2-500 MHz @ Fo +/- 5% +13 +/- 2 dBm +3 dBm max. 50 Ohms 1.4:1 typ. (1.6:1 max.)
High-Level Comparators 0.2-500 MHz @ Fo +/- 5% +20 +/- 2 dBm +10 dBm max. 50 Ohms 1.4:1 typ. (1.6:1 max.)


X/Y Video Output Characteristics
  "X" Ouput "Y" Ouput Bandwidth Nominal Impedance X/Y Amplitude Balance Conversion Loss DC Offset Voltage
Low-Level
Comparators
k Cos Ø k Sin Ø DC-10% RF 50 Ohms +/- 5 mV max. 11 dB max. +/- 2 mV typ.
High-Level
Comparators
k Cos Ø k Sin Ø DC-10% RF 50 Ohms +/- 5 mV max. 11 dB max. +/- 2 mV typ.
Low-Level
Comparators
Peak Amplitude: 85 mV min. into 50 Ohms, for 0 dBm input at Port RF
High-Level
Comparators
Peak Amplitude: 190 mV min. into 50 Ohms, for +7 dBm input at Port RF

Lorch Microwave’s CP-13 Series, Low-Level Phase Comparators, are designed to accept RF input signal levels of up to +3 dBm.The CP-20 Series, High-Level Phase Comparators, are designed to accept RF input signal levels of up to + 10 dBm.

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