RFVC1837 RFVC1837 11.1GHz to 12.5GHz MMIC VCO with Fo/2 and Fo/4 Outputs RFMD's RFVC1837 is a 5V InGaP MMIC VCO with an integrated frequency divider providing additional Fo/2 and Fo/4 outputs. With an Fo frequency range of 11.1GHz to 12.5GHz its monolithic structure provides excellent temperature, shock, and vibration performance. Output power (Fo) is +8dBm and is flat across the tuning voltage range of 1.5V to 14.5V. Phase noise is typically -113dBc/Hz at 100kHz offset. The device operates from a low supply current of 265mA which can be further reduced to 205mA by disabling the divider functions if not required. The RFVC1837 is available in a low cost 5mm x 5mm surface mount plastic overmolded QFN outline. Package: Plastic QFN, 32-pin, 5mm x 5mm x 0.85mm Features ■ Multiple Frequency Outputs ■ No External Resonator Required ■ Integrated Frequency Divider ■ Phase Noise: -113dBc/Hz at 100kHz Offset ■ Flat Output Power Over Frequency Tuning Range 1.5V to 14.5V ■ ■ Fo: 8dBm Fo/2: 8dBm Fo/4: -2dBm Low Power Consumption Functional Block Diagram Fo: 11.1GHz to 12.5GHz Fo/2: 5.55GHz to 6.25GHz Fo/4: 2.78GHz to 3.13GHz 5V/265mA (Divider On) 5V/205mA (Divider Off) 32-Lead 5mm x 5mm Plastic Overmolded QFN Applications ■ Point-to-Point Radio Ordering Information ■ Point-to-Multipoint Radio RFVC1837S2 Sample bag with 2 pieces ■ Satellite Communications RFVC1837SB Sample bag with 5 pieces ■ Test Equipment RFVC1837SQ Bag with 25 pieces ■ Military RFVC1837SR Bag with 100 pieces ■ Aerospace RFVC1837TR7 7" Reel with 750 pieces RFVC1837PCBA-410 Evaluation Board RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 RF MICRO DEVICES® and RFMD® are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks, and registered trademarks are the property of their respective owners. ©2013, RF Micro Devices, Inc. 1 of 10 RFVC1837 Absolute Maximum Ratings Parameter VCC_OSC, VCC_DIG VTUNE Rating Unit +5.5 V 0 to +15 V Junction Temperature (TJ) 135 °C Continuous PDISS (TA = 85°C) (derate 37mW/°C above TA = 85°C) 1.65 W 30 °C/W Storage Temperature -65 to +150 °C Operating Temperature -40 to +85 °C ESD Sensitivity (HBM) Class 1A Junction to Case, Thermal Resistance (Rθ(j-a)) Caution! ESD sensitive device. RFMD Green: RoHS compliant per EU Directive 2011/65/EU, halogen free per IEC 61249-2-21, <1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a flame retardant, and <2% antimony solder. Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. Nominal Operating Parameters Specification Parameter Unit Min Typ Condition Max Electrical Specifications VCC = 5V, TA = +25°C Operating Frequency Fo 11.1 12.5 GHz Fo/2 5.55 6.25 GHz Fo/4 2.78 3.13 GHz Output Power Fo 8 dBm Fo/2 8 dBm Fo/4 -2 dBm 10kHz offset at RFOUT -88 dBc/Hz 100kHz offset at RFOUT -113 dBc/Hz SSB Phase Noise Tune Voltage 1.5 14.5 VTUNE = 5V V Supply Current VCC_OSC 205 mA VCC_DIG 60 mA Tune Port Leakage Current 10 µA Output Return Loss 5 dB RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 2 of 10 RFVC1837 Specification Parameter Unit Min Typ Condition Max Electrical Specifications (continued) Harmonics/Sub-harmonics Measured with RF probes at package, not at SMA connections on EVB 1/2 40 dBc 3/2 35 dBc nd 9 dBc rd 18 dBc Pulling (into a 2.0:1 VSWR) 5 MHz pp Pushing 20 MHz/V Frequency Drift Rate 1 MHz/°C 2 3 RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 3 of 10 RFVC1837 Typical Performance RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 4 of 10 RFVC1837 Typical Performance (continued) RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 5 of 10 RFVC1837 Pin Names and Descriptions Pin Name 1-3 N/C 4 RFOUT/4 Description Interface Schematic No internal connection. VCO RF output at Fo/4. Externally DC-blocked. 5V RFOUT/4 5 GND 6 VCC_DIG Connect to PCB ground. GND Supply voltage input for the integrated frequency divider. Typical +5V. Ground this pin to disable digital divider and reduce current consumption by 60mA. 7-10 N/C No internal connection. 11 GND Connect to PCB ground. 12 RFOUT/2 13-18 N/C 19 RFOUT VCO RF output at Fo/2. Internally DC-blocked. VCC_DIG See Pin 5 interface schematic RFOUT/2 No internal connection. VCO RF output at Fo. Internally DC-blocked. RFOUT 20 N/C 21 VCC_OSC No internal connection. Supply voltage input for the VCO. Typical +5V. RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. VCC_OSC DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 6 of 10 RFVC1837 Pin Names and Descriptions (continued) Pin Name 22-28 N/C 29 VTUNE Description Interface Schematic No internal connection. VCO control voltage input. 30-32 N/C No internal connection. PKG BASE GND Connect to PCB ground. RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. VTUNE See Pin 5 interface schematic DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 7 of 10 RFVC1837 Package Drawing (all dimensions in mm) Notes: 1. Dimensions are for reference only. 2. Package body material: Plastic. 3. Lead and paddle plating: 8µm minimum of Sn over Cu leadframe. Recommended PCB Layout RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 8 of 10 RFVC1837 Sample Application Circuit Schematic Bias Conditions Output VCC_OSC = 5V FOUT = 11.6GHz VCC_DIG = 5V FOUT/2 = 5.8GHz VTUNE = 5V FOUT/4 = 2.9GHz RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 9 of 10 RFVC1837 Evaluation Board Layout Evaluation Board Bill of Materials (BOM) Item Description U1 RFVC1837 VCO C3, C5, C7, C8 1000pF Capacitor, 0402 Package C2, C4, C6 4.7µF Tantalum Capacitor C1 68µF Tantalum Capacitor R1 0Ω Resistor, 0603 Package P1, P2 4-PIN DC connector J1, J2, J3, J4 PCB mount SMA connector PCB VC183x410(D) RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS140428 The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 10 of 10