FDFD7409-6 Digital Frequency Discriminator FEATURES APPLICATIONS • High Accuracy • Electronic Counter Measurers • High Resolution • Signal Intelligence • Low Power • Radar Warning Receivers • Short RF Pulse Capture • Capture of Single RF Pulse Events • 250 nS Throughput Time • Identification of Frequency Agile Radar • High Data Rate • Small Package Size • Light Weight • Erroneous Data Detection (Optional) Clean Signal 25 Deg. C, -10 dBm Digital Word 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2,000 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 Frequency (MHz) Frequency Accuracy VR = 100%, RMS = 1.14 MHz 15 Error (MHz) 10 5 0 -5 -10 -15 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 Frequency (MHz) Rev 4.10.12 apitech.com • 888.553.7531 • spectrummicrowave.com Instantaneous Frequency Measurement FDFD7409-6 Specifications Highlights: Frequency Range (GHz) 2 to 18 GHz Number of Bits 14 RMS Frequency Accuracy 2 MHz at 6 dB SN 3 MHz at 0 dB SN (99% Valid Rate) Frequency Resolution 1 MHz Dynamic Range -10 to +10 dBm VSWR, max 2:1 Pulse Width 50 ns to CW Data Format TTL Trigger Format TTL, 250 nS Throughput Time Erroneous Data Detection (optional) 85% Probability of Detection of Frequency Error Power +5V to +5.2V @ 800 mA +12V to +15V @ 800 mA -8V to -15V @ 100 mA (internally regulated) Size 6.5” L x 5.5” W x 1.2” H Weight 2.75 pounds maximum RF Connector SMA Female Data Connector 51 socket - MDM51S (with jackposts) Temperature Range -40°C to +85°C Rev 4.10.12 apitech.com • 888.553.7531 • spectrummicrowave.com FDFD7409-6 Instantaneous Frequency Measurement Timing Diagram (Traditional DFD/IFM Timing Diagram) Pinout Signal Description Pin Number Signal Description Pin Number Signal Description Pin Number Data bit 13 1 -12 Volts DC 19 Reserved 36 Data bit 12 2 -12 Volts DC 20 Test Point 14 37 Data bit 11 3 Data bit 14 21 Test Point 13 38 Data bit 10 4 Data bit 15 22 Test Point 12 39 Data bit 09 5 GND 23 Test Point 11 40 Data bit 08 6 GND 24 Test Point 10 41 Data bit 07 7 BDF (Optional) 25 Test Point 9 42 Data bit 06 8 Data bit 01 26 Test Point 8 43 Data bit 05 9 Data bit 00 27 Test Point 7 44 Data bit 04 10 GND 28 Test Point 6 45 Data bit 03 11 GND 29 Test Point 5 46 Data bit 02 12 +5 Volts DC 30 Test Point 4 47 +5 Volts DC 13 Reserved 31 Test Point 3 48 Trigger 14 Reserved 32 Test Point 2 49 Trigger Return 15 GND 33 Test Point 1 50 GND 16 +15 Volts DC 34 Test Point 0 51 GND 17 +15 Volts DC 35 GND 18 Rev 4.10.12 apitech.com • 888.553.7531 • spectrummicrowave.com