GaAs MMIC 3-BIT DIGITAL ATTENUATOR, 0.75 Features Steps Sing
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HMC230MS8 230MS8E
GaAs MMIC 3-BIT DIGITAL ATTENUATOR, 0.75
Features
Steps Single Positive Control Typical Error Replacement AA100-59 Digital Attenuator
ATTENUATORS
HMC230MS8 HMC230MS8E ideal for: Cellular PCS, ISM, MMDS Handset Base Station Infrastructure
Functional Diagram
General Description
HMC230MS8 HMC230MS8E broadband positive control GaAs digital attenuators lead MSOP surface mount plastic packages. Covering 0.75 GHz, insertion loss typically less than attenuator values (LSB), total attenuation Accuracy excellent typical with IIP3 dBm. Three control voltage inputs, toggled between volts, used select each attenuation state less than each. single bias volts applied through external resistor required.
Electrical Specifications,
+25° Vctl 0/Vdd (Unless Otherwise Stated)
Parameter Insertion Loss Attenuation Range Return Loss (RF1 RF2, Atten. States) Attenuation Accuracy: (Reference Insertion Loss) States States Attenuation States Input Power Compression Input Third Order Intercept (Two-Tone Input Power Each) Switching Characteristics tRISE, tFALL (10/90% tON, tOFF (50% 10/90% 0.75 0.75 0.75 1.40 0.75 0.75 Atten. Setting Atten. Setting Atten. Setting Frequency 0.75 0.75 0.75 Min. Typical Max. Units
price, delivery, place orders, please contact Hittite Microwave Corporation: Alpha Road, Chelmsford, 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line www.hittite.com
HMC230MS8 230MS8E
GaAs 3-BIT DIGITAL ATTENUATOR, 0.75
Return Loss RF1,
Insertion Loss
-0.5 INSERTION LOSS (dB)
(Only Major States Shown)
-1.5 -2.5 0.75
1.25
1.75
0.75
1.25
1.75
FREQUENCY (GHz)
FREQUENCY (GHz)
Normalized Attenuation
(Only Major States Shown)
NORMALIZED INSERTION LOSS (dB) ERROR (dB) 0.75 1.25 1.75 FREQUENCY (GHz) ATTENUATION STATE (dB)
Error Attenuation State
Error Frequency
(Only Major States Shown)
ERROR (dB) 0.75
Relative Phase Frequency
(Only Major States Shown)
0.75
RELATIVE PHASE (deg.)
1.25
1.75
1.25
1.75
FREQUENCY (GHz)
FREQUENCY (GHz)
Note: Data Typical Over Voltage (+3V +5V) Temperature (-40 price, delivery, place orders, please contact Hittite Microwave Corporation: Alpha Road, Chelmsford, 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line www.hittite.com
ATTENUATORS
RETURN LOSS (dB)
+25C -40C +85C
HMC230MS8 230MS8E
GaAs 3-BIT DIGITAL ATTENUATOR, 0.75
Control Bias Voltages
Truth Table
Control Voltage Input High High High High High High High High High Attenuation Setting Reference I.L. Max. Atten.
ATTENUATORS
State High
Bias Condition +0.2Vdc ±0.2V
Note: 0.2V
combination above states will provide attenuation approximately equal bits selected.
Application Circuit
blocking capacitors required RF2. Choose allow lowest customer specific frequency pass with minimal loss. required supply voltage circuit through either
price, delivery, place orders, please contact Hittite Microwave Corporation: Alpha Road, Chelmsford, 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line www.hittite.com
HMC230MS8 230MS8E
GaAs 3-BIT DIGITAL ATTENUATOR, 0.75
Absolute Maximum Ratings
Control Voltage (V1, Bias Voltage (Vdd) Storage Temperature Operating Temperature Input Power (0.75 GHz) +0.5 +8.0 +150
ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS
ATTENUATORS
Outline Drawing
NOTES: LEADFRAME MATERIAL: COPPER ALLOY DIMENSIONS INCHES [MILLIMETERS]. DIMENSION DOES INCLUDE MOLDFLASH 0.15mm SIDE. DIMENSION DOES INCLUDE MOLDFLASH 0.25mm SIDE. GROUND LEADS MUST SOLDERED GROUND.
Package Information
Part Number HMC230MS8 HMC230MS8E Package Body Material Stress Injection Molded Plastic RoHS-compliant Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Rating MSL1 MSL1
Package Marking H230 XXXX H230 XXXX
peak reflow temperature peak reflow temperature 4-Digit number XXXX
price, delivery, place orders, please contact Hittite Microwave Corporation: Alpha Road, Chelmsford, 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line www.hittite.com
HMC230MS8 230MS8E
GaAs 3-BIT DIGITAL ATTENUATOR, 0.75
Evaluation Circuit Board
ATTENUATORS
Ohm. These Resistors optional used enhance decoupling path from control inputs.
List Materials Evaluation 103155
Item Description Mount Connector Resistor, 0402 Chip Resistor, 0402 Chip 0402 Chip Capacitor, Select Lowest Frequency Operation HMC230MS8 HMC230MS8E Digital Attenuator 103153 Evaluation 1.25" 1.5"
circuit board used final application should circuit design techniques. Signal lines should have impedance while package ground leads should connected directly ground plane similar that shown. sufficient number holes should used connect bottom ground planes. evaluation circuit board shown available from Hittite Microwave Corporation upon request.
Reference this number when ordering complete evaluation Circuit Board Material: Rogers 4350
price, delivery, place orders, please contact Hittite Microwave Corporation: Alpha Road, Chelmsford, 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line www.hittite.com
HMC230MS8 230MS8E
GaAs 3-BIT DIGITAL ATTENUATOR, 0.75
Notes:
ATTENUATORS
price, delivery, place orders, please contact Hittite Microwave Corporation: Alpha Road, Chelmsford, 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line www.hittite.com
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