Model # LCFS1052 LCFS1052-DEMO 2200 to 4400 MHz Frequency Synthesizer Low Phase Noise in a Lower Cost Package Features • Low Phase Noise: -98 dBc/Hz (100 kHz offset) • Internal Reference Oscillator (External Optional at No Extra Charge) • No User Programming Required • Integrated Microcontroller Look-up Table • 3 Additional Output Lines are Available • EAR99, RoHS Compliant • DEMO Board available upon request API Technologies’ Model LCFS1052 frequency synthesizer combines a monolithic integer-n microwave synthesizer, a reference oscillator and a microcontroller to provide an economical frequency source solution. Complex serial register programming is not required. A built-in lookup table in the microcontroller allows for simplified frequency programming with a dual 8-bit binary frequency selection word. Either parallel or serial programming can be accommodated. A Demo or Evaluation board can be ordered as an LCFS1052-DEMO. The LCFS1052 synthesizer is RoHS compliant, however there is a lead based solder used in the construction of the Demo Board (if the DEMO Board is requested). Technical Specifications Parameter Maximum (No Damage) Ratings Typical Min/Max 2200 to 4400 MHz 2200 to 4400 MHz +13 dBm - Internal Input Reference Frequency 40 MHz - Step Size 10 MHz - -90 dBc/Hz @ 1 kHz -95 dBc/Hz @ 10 kHz -98 dBc/Hz @ 100 kHz -127 dBc/Hz @ 1 MHz -145 dBc/Hz @ 10 MHz Note: Typical values are measured at 25°C, but not guaranteed. Note: Wake up frequency 2200 MHz. - 3.3 volt logic - Locking Speed 80 µsec - Spurious -40 dBc - Up to 4 Optional Outputs • One Output line: 150 mA * • Two Output Lines: 225 mA • Three Output Lines: 300 mA • Four Output Lines: 375 mA Harmonics -20 dBc - 1.75:1 2.0:1 Frequency Range Output Power SSB Phase Noise Digital Lock Indicator Output VSWR Optional Binary Divided Output DC Supply Voltage Storage Temperature -55°C to +125°C Operating Temperature -40°C to +85°C DC Voltage +5 volts Mechanical & Electrical 2,4,8,16,32,64,128 Parameter Specification Specification Temperatures (Min/Max) -40°C to +85°C +3.3 volts (+/- 2%) volts DC Supply Current** 150 mA --- Housing Size 0.800” L x 0.800” W x 0.130” H Frequency Accuracy ± 2 PPM --- Housing Drawing LC800 Frequency Aging ± 1 PPM --- Package Type Surface Mount Frequency vs. Temperature ± 2 PPM --- Rev Date: 5/4/2015 © API Technologies Corp. Proprietary Information Page # 1 | www.apitech.com | micro.apitech.com | +1.888.553.7531 | [email protected] Model # LCFS1052 Typical Performance Phase Noise (dBc/Hz) 15 0 14 -20 13 -40 12 -60 (dBm) (dBc/Hz @ 4400 MHz) Output Power (dBm) -80 -100 11 10 9 8 -120 7 -140 6 -160 1000 1 kHz 5 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 10000 10 kHz 100000 100 kHz 1000000 1 MHz 10000000 10 MHz Offset from the Carrier Frequency (MHz) Notes 1. Specifications labeled “min.” or “max.” are guaranteed in a 50 Ohm system over the specified temperature range. 2. Output frequency and step size must be specified. 3. Other input voltages are available. Outline Drawing (LC800 Package) Rev Date: 5/4/2015 © API Technologies Corp. Proprietary Information Page # 2 | www.apitech.com | micro.apitech.com | +1.888.553.7531 | [email protected] Model # LCFS1052 LCFS1052-DEMO Outline Drawing (LC800 Package) Rev Date: 5/4/2015 © API Technologies Corp. Proprietary Information Page # 3 | www.apitech.com | micro.apitech.com | +1.888.553.7531 | [email protected] Model # LCFS1052 (LCFS1052-DEMO) Application Notes The Demo Board will be supplied with a similar spreadsheet along with some “Visual Basic Code” that transfers the frequency entered in the yellow cell to the USB and parallel converter located on the Demo Board. Pinout Description Pin 1 and 52 Pins 2,3 and 40 Pin 4 Pins 5 and 6 Pin 8-11 Pin 12 Pin 13 Pin 14 Pin 15 Pin 16 Pin 17 Pin 18 Pin 19 Pin 20 Pins 21-34 Latch 1 and Latch 2 Normally tied together. A rising edge on these pins latches the low control byte. A falling edge latches the High control byte. No connection. Leave these pins open. (used for factory programming) DC Ground +3.3 V dc power input DC Ground RF Ground Ground RF Ground RF2A Optional RF Output (or Ground if not used) RF Ground RF1B Optional RF Output (or Ground if not used) RF ground RF1A Fundamental RF Output (Fo) RF Ground DC Ground Pin 35 Pin 36 Pin 37 Lock detect output (High when locked/ Low unlocked), internal 240 ohm series resistor can directly drive a lock LED to ground (5 mA source current). DC Ground RF disable normally open. Ground this pin to blank the RF output. Pin 38 Pin 39 Pin 40 Pin 41 Pin 42 Pin 43 Pin 44 Pin 45 Pin 46-48 Pin 49 Pin 50 Pin 51 Reference oscillator in/out (one or the other depending on model option) output 1k impedance. Input 50 ohms (1 dBm nominal) Signal Ground for Reference No connection. Leave this pins open. (used for factory programming) Data 0 LSB of the upper or lower 8 bit control word Data 1 Data 2 Data 3 Data 4 Data Ground Data 5 Data 6 Data 7 MSB of the upper or lower 8 bit control word Note: Ground unused RF outputs. Rev Date: 5/4/2015 © API Technologies Corp. Proprietary Information Page # 4 | www.apitech.com | micro.apitech.com | +1.888.553.7531 | [email protected] Model # LCFS1052 (LCFS1052-DEMO) The LCFS synthesizer is controlled by a 16 bit binary (2^16=65536) frequency control word. Interface logic is LV (3.3 V cmos). The control word addresses a custom lookup table in the built-in microcontroller for the desired output frequency. As an example a control word of all zeroes would address the first (lowest ) frequency . The next location would address the next higher frequency (lowest frequency + 1 frequency step). The frequency control word is split into (2) 8 bit words along with a latch signal that differentiates between the low 8 bits and the high 8 bits. This control structure allows the synthesizer to be controlled by an 8 bit parallel port plus an additional latch control line (9 bits). Programming example: This spreadsheet calculates the control word and Low and High 8 bits from the desired output frequency. 275 to 550 MHz with a 5 MHz step size. Control word=(Fout-275)/5 F out Leading zeroes suppressed Desired frequency: 300 MHz ……………………………….. Control word= 5 (Base10) …………..……………………………………………………Binary Low 8 bits = the remainder of control word /256 ………… Low 8 Bits= 5 (Base 10) .............................................................……...............…………………….101 High 8 bits =int(control word/256) ………………………… High 8 Bits = 0 (Base 10) ……………………..………………………….……………………0 If the synthesizer is programmed with a control word that is beyond the highest step, the highest frequency will be the output. The additional bit is the latching signal. The rising edge latches the Low 8 Bits and the falling edge latches the High 8 Bits. Rev Date: 5/4/2015 © API Technologies Corp. Proprietary Information Page # 5 | www.apitech.com | micro.apitech.com | +1.888.553.7531 | [email protected] LCFS Demo Board Driver Installation 1) Plug the USB cable to the Windows based (7 or newer) computer. The demo board and synthesizer will be powered by the USB port. Allow Windows time to find the driver through an automatic search. A good driver installation is indicated by a flashing yellow light. 2) Go to the Windows Control Panel, find the icon “hardware and sound, devices and printers”. There should be an icon for a USB serial port. Double click on the icon, and select the “Hardware” tab of the properties window. 3) Click on the properties button. On the “General” tab click on the change settings button. Click on the “Port Settings A” tab, and then click on the advanced button. 4) In the “Advanced Settings” window, click on the “com port” button and select a high numbered “com port” that is not in use such as 11 or 12. 5) Click on the OK button 3X to close all the windows. 6) You should now have a USB com port in your hardware window with the new com number. You will use this com number in the control spreadsheet to address a particular demo board. If you install multiple demo boards be sure to give them different com numbers.