HMC603QS16 / 603QS16E v01.1006 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 0.7 - 3.8 GHz 5 Typical Applications Features The HMC603QS16 / HMC603QS16E is ideal for: 0.5 dB LSB Steps to 15.5 dB Cellular/3G Infrastructure Single Positive Control Per Bit ISM, MMDS 0.15 dB Typical Bit Error WLAN, WiMAX, & WiBro High Input IP3: +50 dBm QSOP16 SMT Package Functional Diagram General Description The HMC603QS16 & HMC603QS16E are general purpose broadband 5-bit positive control GaAs IC digital attenuators in 16 lead QSOP surface mount plastic packages. Covering 0.7 to 3.8 GHz, the inser- tion loss is less than 1.9 dB typical. The attenuator bit values are 0.5 (LSB), 1, 2, 4 and 8 dB for a total attenuation of 15.5 dB. Attenuation accuracy is excel- lent at 0.15 dB typical with an IIP3 of +50 dBm. Five bit control voltage inputs, toggled between 0 and +3 to +5V, are used to select each attenuation state at less than 1 uA each. A single Vdd bias of +3 to +5V applied through an external 5K Ohm resistor is required. Electrical Specifi cations, T = +25 C, Vdd= +3V to +5V & Vctl= 0/Vdd (Unless Otherwise Stated) A Parameter Frequency (GHz) Min. Typical Max. Units 0.7 - 1.4 GHz 1.3 1.6 dB 1.4 - 2.3 GHz 1.6 1.9 dB Insertion Loss 2.3 - 3.0 GHz 1.9 2.2 dB 3.0 - 3.8 GHz 2.6 3.0 dB Attenuation Range 15.5 dB 0.7 - 1.4 GHz 18 dB Return Loss (RF1 & RF2, All Atten. States) 1.4 - 3.0 GHz 20 dB 3.0 - 3.8 GHz 15 dB Attenuation Accuracy: (Referenced to Insertion Loss) 0.7 -2.2 GHz (0.2 + 2% of Atten. Setting) Max. dB All States 2.2 - 3.8 GHz (0.3 + 3% of Atten. Setting) Max. dB Vdd = 5V 29 dBm Input Power for 0.1 dB Compression 0.7 - 3.8 GHz Vdd = 3V 28 dBm Input Third Order Intercept Point REF - 2 dB States 53 dBm 0.7 - 3.8 GHz (Two-tone Input Power = 0 dBm Each Tone) 2.5 - 15.5 dB States 48 dBm Switching Characteristics s 1.6 0.7 - 3.8 GHz tRISE, tFALL (10/90% RF) 1.6 s tON, tOFF (50% CTL to 10/90% RF) 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 5 - 196 Order On-line at www.hittite.com OBSOLETE ATTENUATORS - SMTHMC603QS16 / 603QS16E v01.1006 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 0.7 - 3.8 GHz Return Loss RF1, RF2 5 (Only Major States are Shown) Insertion Loss 0 0 -0.5 -5 -1 -10 8 dB I.L 2 dB 15.5 dB 4 dB -1.5 -15 -2 -20 -2.5 -25 -3 -30 +25 C +85 C -40 C -3.5 -35 0.5 dB 1 dB -4 -40 0.5 1 1.5 2 2.5 3 3.5 4 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) Normalized Attenuation (Only Major States are Shown) Bit Error vs. Attenuation State 0 0.5 -2 0.4 -4 0.3 2.4 GHz 3.5 GHz -6 0.2 -8 0.1 -10 0 -12 -0.1 -14 -0.2 -16 0.9 GHz 1.9 GHz -18 -0.3 0.5 1 1.5 2 2.5 3 3.5 4 0.5 2 3.5 5 6.5 8 9.5 11 12.5 14 15.5 FREQUENCY (GHz) ATTENUATION STATE (dB) Bit Error vs. Frequency Relative Phase vs. Frequency (Only Major States are Shown) (Only Major States are Shown) 0.6 40 15.5 dB 0.3 20 4 dB 0.5 dB 1 dB 8 dB 4 dB 0 0 -0.3 -20 0.5, 1, 2 dB 2 dB 8 dB 15.5 dB -0.6 -40 0.5 1 1.5 2 2.5 3 3.5 4 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) 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 5 - 197 Order On-line at www.hittite.com OBSOLETE BIT ERROR (dB) NORMALIZED ATTENUATION (dB) INSERTION LOSS (dB) BIT ERROR (dB) RELATIVE PHASE (deg) RETURN LOSS (dB) ATTENUATORS - SMT