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| HMC656LP2E TO HMC658LP2E v01.0308 WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz HMC656LP2E / HMC657LP2E / HMC658LP2E Typical Applications The HMC656LP2E - HMC658LP2E are ideal for: * Fiber Optics * Microwave Radio * Military & Space Features 3 Attenuator Products: 10, 15, & 20 dB Fixed Attenuation Levels Wide Bandwidth: DC - 25 GHz Excellent Attenuation Accuracy Power Handling: +25 dBm 6 Lead 2x2mm SMT Package: 4mm2 8 PASSIVES - SMT * Test & Measurement * Scientific Instruments * RF / Microwave Circuit Prototyping Functional Diagrams General Description The HMC656LP2E / 657LP2E / 658LP2E are a line of wideband fixed value SMT 50 Ohm matched attenuators which offer relative attenuation levels of 10, 15 and 20 dB respectively. These passive attenuators are ideal for military, test equipment, and other wideband applications where extremely flat attenuation, and excellent VSWR vs. frequency are required. These wideband attenuators handle up to +25 dBm of input power, and are compatible with high volume surface mount manufacturing techniques. Electrical Specifi cations, TA = +25 C, 50 Ohm system Return Loss (Typical) Part Number HMC656LP2E HMC657LP2E HMC658LP2E Attenuator Value DC - 25 10 15 20 12 14 12 1.5 2.0 2.0 GHz dB dB dB Attenuation Tolerance Units 8-2 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC656LP2E TO HMC658LP2E v01.0308 WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz HMC656LP2E / HMC657LP2E / HMC658LP2E Attenuation vs. Temperature 0 Return Loss 0 -5 RETURN LOSS (dB) HMC658 -5 ATTENUATION (dB) HMC656LP2 -10 -15 -20 HMC657 -10 HMC657LP2 -15 -20 HMC658LP2 -25 -30 5 10 15 20 25 30 0 5 10 HMC656 8 20 25 30 15 FREQUENCY (GHz) FREQUENCY (GHz) Absolute Maximum Ratings Part Number RF Input Power (CW) DC Voltage Terminated DC Voltage Open Storage Temperature Operating Temperature ESD Sensitivity (HBM) Class 1B HMC656LP2E 25 4.9 5.3 HMC657LP2E 25 4.4 4.6 -65 to +150 -40 to +85 Class 1B Class 1B HMC658LP2E 25 4.8 4.9 Units dBm V V C C ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8-3 PASSIVES - SMT -25 0 HMC656LP2E TO HMC658LP2E v01.0308 WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz HMC656LP2E / HMC657LP2E / HMC658LP2E Outline Drawing 8 PASSIVES - SMT NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS] 3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. 4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 5. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED LAND PATTERN. Package Information Part Number HMC656LP2 through HMC658LP2 HMC656LP2E through HMC658LP2E Package Body Material Low Stress Injection Molded Plastic RoHS-compliant Low Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Sn MSL Rating MSL1 MSL1 [1] Package Marking [3] NNN XXX NNN XXX [2] [1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 3-Digit lot number XXX 8-4 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC656LP2E TO HMC658LP2E v01.0308 WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz HMC656LP2E / HMC657LP2E / HMC658LP2E Pin Descriptions Pin Number Function Description Interface Schematic 1, 3, 4, 6 GND Package bottom must be connected to RF/DC ground. 2, 5 RF1, RF2 This pin is DC coupled and matched to 50 Ohms. Use DC Blocking capacitors if the input / output signals have non-zero DC potential 8 PASSIVES - SMT For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8-5 HMC656LP2E TO HMC658LP2E v01.0308 WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz HMC656LP2E / HMC657LP2E / HMC658LP2E Evaluation PCB 8 PASSIVES - SMT List of Materials for Evaluation PCB 119197 [1] Item J1 - J2 U1 PCB [2] Description PCB Mount SMA Connector HMC656LP2E through HMC658LP2E Passive Attenuator 119194 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in the final application should be generated with proper RF circuit design techniques. Signal lines at the RF port should have 50 ohm impedance and the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown above. The evaluation circuit board shown above is available from Hittite Microwave Corporation upon request. 8-6 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC656LP2E TO HMC658LP2E v01.0308 WIDEBAND FIXED ATTENUATOR FAMILY, DC - 25 GHz HMC656LP2E / HMC657LP2E / HMC658LP2E Notes: 8 PASSIVES - SMT For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8-7 |
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