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| v04.1102 MICROWAVE CORPORATION HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Features SSB Phase Noise: -153 dBc/Hz @ 100 kHz Selectable Division from 2 to 32 Parallel 5-Bit Control Wide Input Power Range: -20 to +10 dBm 4mm x 4mm Leadless SMT Package Typical Applications Programmable divider for offset synthesizer and variable divide by N applications: * Satellite Communication Systems 10 FREQ. DIVIDER & DETECTORS - SMT * Pt-Pt and Pt-MPt Radios * LMDS * SONET Functional Diagram General Description The HMC394LP4 is a low noise GaAs HBT programmable 5-bit counter in a 4mm x 4mm leadless surface mount package. This device allows continuous division from N= 2 to 32 at input frequencies up to 2.2 GHz. The output voltage swing is 800 mV with a duty cycle inversely proportional to N. The low additive SSB phase noise of -153 dBc/Hz at 100 KHz offset makes this counter an excellent choice for low noise synthesizer applications. Electrical Specifications, TA = +25 C, 50 Ohm System, Vcc= 5V Parameter Maximum Input Frequency Minimum Input Frequency Input Power Range Output Power SSB Phase Noise Output Transition Time Supply Current (Icc) Sine Wave Input [1] Fin = 0.1 to 2.2 GHz Divide-by-2 Fin = 1 GHz, N = 4 -15 >-20 4 -153 100 194 Conditions Min. 2.2 0.1 +10 Typ. Max. Units GHz GHz dBm dBm dBc/Hz ps mA 1. Divider will operate down to DC for square-wave input signal. 10 - 56 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v04.1102 MICROWAVE CORPORATION HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Input Sensitivity Window, 5 major Input Sensitivity Window vs. GaAs MMIC SUB-HARMONICALLY Temperature, MIXER -40 C to +85 C PUMPED N= 16, T= 17 - 25 GHz Divide Ratio States, T= 25 C 20 20 10 10 INPUT POWER (dBm) 0 INPUT POWER (dBm) Recommended Operating Window 0 -10 -10 10 0 0.5 1 1.5 2 2.5 3 INPUT FREQUENCY (GHz) -20 -20 -30 0 0.5 1 1.5 2 2.5 3 INPUT FREQUENCY (GHz) -30 Output Power, 5 Major Divide Ratio States, T= 25 C 10 5 N=2 N=4 N=8 N=16 N=32 SSB Phase Noise Performance, Fin= 1 GHz, N= 4, T= 25 C -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 0 -5 -10 -15 -20 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 -160 2 10 10 3 10 4 10 5 10 6 10 7 INPUT FREQUENCY (GHz) OFFSET FREQUENCY (Hz) Fundamental Feedthru Power, Pin= 0 dBm, T= 25 C 0 Typical Supply Current vs. Vcc Vcc (V) 4.75 5.0 Icc (mA) 176 194 210 -10 OUTPUT LEVEL (dBm) -20 5.25 -30 N=2 N=4 N=8 N=16 N=32 Note: Divider will operate over full voltage range shown above. -40 -50 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 INPUT FREQUENCY (GHz) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com 10 - 57 FREQ. DIVIDERS & DETECTORS - SMT SSB PHASE NOISE (dBc/Hz) Output Power (dBm) v04.1102 MICROWAVE CORPORATION HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz 2nd Harmonic, Pin= 0 dBm, T= 25 C 0 N=4 N=8 N=16 N=32 3rd Harmonic, Pin= 0 dBm, T= 25 C 0 N=2 N=4 N=8 N=16 N=32 OUTPUT LEVEL (dBm) 10 FREQ. DIVIDER & DETECTORS - SMT -10 OUTPUT LEVEL (dBm) 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 -5 -5 -10 -15 -15 -20 0.4 -20 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 INPUT FREQUENCY (GHz) INPUT FREQUENCY (GHz) 4th Harmonic, Pin= 0 dBm, T= 25 C 0 -5 N=2 N=8 N=16 N=32 5th Harmonic, Pin= 0 dBm, T= 25 C 0 -5 N=2 N=4 N=8 N=16 N=32 OUTPUT LEVEL (dBm) -10 -15 -20 -25 -30 0.4 OUTPUT LEVEL (dBm) 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 -10 -15 -20 -25 -30 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 INPUT FREQUENCY (GHz) INPUT FREQUENCY (GHz) Output Voltage Wavform, Fin= 1 GHz, N= 2, Pin= 0 dBm, T= 25 C 300 200 Output Voltage Wavform, Fin= 1 GHz, N= 17, Pin= 0 dBm, T= 25 C 500 400 AMPLITUDE (mV) 100 0 -100 -200 -300 38 AMPLITUDE (mV) 38.5 39 39.5 TIME (nS) 40 40.5 41 300 200 100 0 -100 48 50 52 54 56 58 60 62 64 66 68 70 TIME (nS) 10 - 58 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v04.1102 MICROWAVE CORPORATION HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Absolute Maximum Ratings RF Input (Vcc = +5V) Vcc VLogic Maximum Channel Temperature Continuous Pdiss (T = 85 C) (derate 55 mW/C above 85 C) Storage Temperature Operating Temperature +13 dBm +5.5V -1.6 to -1.2 Vcc 135 C 1.155 W -65 to +150 C -55 to +85 C 10 FREQ. DIVIDERS & DETECTORS - SMT 10 - 59 Outline Drawing NOTES: 1. MATERIAL PACKAGE BODY: LOW STRESS INJECTION MOLDED PLASTIC SILICA AND SILICON IMPREGNATED. 2. LEAD AND GROUND PADDLE MATERIAL: COPPER ALLOY 3. LEAD AND GROUND PADDLE PLATING: Sn/Pb SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. LEAD SPACING TOLERANCE IS NON-CUMULATIVE 6. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 7. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 8. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.1102 HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Pin Description Pin Number Function Description Interface Schematic 10 FREQ. DIVIDER & DETECTORS - SMT 1-5 AO - A4 CMOS compatible control input bit 0 (LSB) - 4. 6, 9, 10, 11, 12, 15, 18, 19, 20, 21, 22 GND Ground: Backside of package has exposed metal ground slug which must be connected to ground. 7, 8, 23, 24 VCC Supply voltage 5V 0.25V must be applied to all four pins. 13 IN RF input 180 out of phase with pin 14 must be AC ground. 14 IN RF input must be DC blocked. 16 OUT Divided output pulse. 17 OUT Divided output pulse 180 out of phase with pin 16. 10 - 60 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.1102 HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz HMC394LP4 Programming Truth Table Function Output Low /2 /3 /4 / 32 (LSB) A0 0 1 0 1 1 A1 0 0 1 1 1 A2 0 0 0 0 1 A3 0 0 0 0 1 A4 0 0 0 0 1 10 FREQ. DIVIDERS & DETECTORS - SMT 10 - 61 Note: A0 through A4 are CMOS compatible logic control inputs. Application Circuit, (2 GHz - Divide-by-20) * Note: Mount bypass capacitors as close to pins as possible. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.1102 HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Evaluation PCB 10 FREQ. DIVIDER & DETECTORS - SMT The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads and backside ground slug should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Hittite upon request. Note: C1 and C3 bypass capacitors are not necessary if power supply trace is short. HMC394LP4 Evaluation PCB Truth Table Note: The evaluation PCB for the HMC394LP4 contains 10K Ohm pull up resistors for each of the five control inputs A0 through A4. Programming the 31 distinct division ratios consists of installing or removing jumpers S1 through S5, as shown below. Function Output Low /2 /3 /4 / 32 S1 0 1 0 1 1 S2 0 0 1 1 1 S3 0 0 0 0 1 S4 0 0 0 0 1 S5 0 0 Evaluation Circuit Board Layout Design Details Item J1 - J3 C1 - C2* C3 - C4* C5 - C8 R1* 0 0 1 PCB 104435 Eval Board S1 - S6 U1 Jumper (shunt) 2mm HMC394LP4 5-Bit Counter Description PC Mount SMA RF Connector 1.0 F Tantalum Capacitor .01 F Capacitor, 0603 Pkg. 1000 pF Capacitor, 0603 Pkg. Resistor SIP 10 K ohm Note: 0 = Jumper Installed. 1 = Jumper Not Installed. Install jumper S6 for high power mode. * Optional components. 10 - 62 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.1102 HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Applications Information Simplified Block Diagram 10 FREQ. DIVIDERS & DETECTORS - SMT 10 - 63 Asynchronous Programming The 5-Bit programmable counter counts-down from the programmed value of the data bits to zero and issues an output pulse at the end of each cycle. Settling time of the programmable 5-Bit counter is defined as the maximum time required for the counter to change the division ratio N to a new value after the data bits have settled. The worst case settling time occurs if the data bits A0 thru A4 are changing during the load cycle. Under this condition, the data bits may potentially be erroneous when they are clocked in and in the worst case could be all 1's, requiring 32 clock cycles until the correct data is re-loaded into the flip flops. The worst case asynchronous settling time can be calculated as follows: TSETTLING MAX = 32/fIN (For Asynchronous Programming) As an example, if the input frequency is 1 GHz, the maximum settling time is 32 nS For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.1102 HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz Synchronous Programming For applications which can not tolerate a momentary undefined division ratio, which normally occurs while changing the data bits (A0-A4) at random, synchronous programming can be used. Data is loaded into the counter on every rising edge of the clock which occurs while the output (OUT) is "HIGH". The typical minimum setup and hold times are shown in the table below as a function of frequency. For precision applications, the rising edge of the complementary output may be used to latch the new data bits (A0-A4), so that all bits are settled before the next load cycle. TSETTLING MAX = N/fIN (For Synchronous Programming) Where N is the desired division ratio, and fIN = Input Frequency (Hz) Parameter 0.5 GHz 200 ps 700 ps 1 GHz 200 ps 300 ps 2 GHz 200 ps 120 ps 10 FREQ. DIVIDER & DETECTORS - SMT tSETUP tHOLD Programmable Divider Timing Requirements for Synchronous Programming t OUT SU t HOLD OUT Rising Edge to Clock New Data A0-A4 CURRENT DATA NEW DATA IN Data Load Rising Edge 10 - 64 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.1102 HMC394LP4 GaAs HBT PROGRAMMABLE 5-BIT COUNTER, DC - 2.2 GHz CMOS/TTL Input Characteristics Maximum Input Logic "0" Voltage (VIL MAXIMUM) = 1.1V @ 10 uA. Minimum Input Logic "1" Voltage (VIH MINIMUM) = 1.8V @ 500 uA. Input IV characteristics for the logic inputs (A0-A4) are shown below: 0.4 V 0.2 Input Current (mA) 0 -0.2 -0.4 -0.6 -0.8 0 IL MAX V IH MIN 10 FREQ. DIVIDERS & DETECTORS - SMT 10 - 65 1 2 3 4 5 Input Voltage (V) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com |
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