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| Datasheet File OCR Text: |
| Preliminary RF2321 * Broadband Gain Blocks * Final PA for Low-Power Applications * IF or RF Buffer Amplifiers * Driver Stage for Power Amplifiers * Oscillator Loop Amplifiers The RF2321 is a general purpose, low-cost silicon amplifier designed for operation from a 3V supply. The circuit configuration with resistive feedback allows for broadband cascadable amplification. Capacitive compensation extends the bandwidth of the amplifier and input stage design optimizes noise figure. The device is unconditionally stable and internally matched to 50. The only external components required for specified performance are bypass and DC blocking capacitors (as shown in application schematic). The RF2321 is available in a very small industry-standard SOT-23 5-lead surface mount package, enabling compact designs which conserve board space. .071 .059 .020 .014 .122 .106 1 4 .004 .000 .083 .067 .118 .102 .051 .039 .008 MIN .010 .004 !" # Si BJT Si Bi-CMOS GaAs HBT SiGe HBT GaAs MESFET Si CMOS * DC to >2000MHz Operation * 2.7V to 3.3V Single Supply * +3dBm Output IP3 * 12dB Gain at 900MHz * 12dB Gain at 1900MHz * High Isolation (36dB at 900MHz) GND 1 GND 2 RF IN 3 5 RF OUT 4 VCC RF2321 RF2321 PCBA 3V General Purpose Amplifier Fully Assembled Evaluation Board RF Micro Devices, Inc. 7625 Thorndike Road Greensboro, NC 27409, USA Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com Rev A3 000713 4-91 GENERAL PURPOSE AMPLIFIERS RF2321 Absolute Maximum Ratings Parameter Supply Voltage Operating Ambient Temperature Storage Temperature Preliminary Rating 4.0 -40 to +85 -40 to +150 Unit V C C Caution! ESD sensitive device. RF Micro Devices believes the furnished information is correct and accurate at the time of this printing. However, RF Micro Devices reserves the right to make changes to its products without notice. RF Micro Devices does not assume responsibility for the use of the described product(s). Parameter Min. Specification Typ. Max. DC to >2000 12 3.6 4 -8 15 11 52 12 3.8 4 -8 15 11 42 12 3.7 3 -7 13 9 36 12 3.7 3 -8 13 9 35 12 4.5 2 -8 8 9 25 3.010% 7.7 Unit MHz Condition T=27 C, VCC =3.0V T=27 C, VCC =3.0V 4 GENERAL PURPOSE AMPLIFIERS Overall Frequency Range 100MHz Performance Gain Noise Figure Output IP3 Output P1dB Input Return Loss Output Return Loss Isolation dB dB dBm dBm dB dB dB 500MHz Performance Gain Noise Figure Output IP3 Output P1dB Input Return Loss Output Return Loss Isolation dB dB dBm dBm dB dB dB T=27 C, VCC =3.0V 900MHz Performance Gain Noise Figure Output IP3 Output P1dB Input Return Loss Output Return Loss Isolation dB dB dBm dBm dB dB dB T=27 C, VCC =3.0V 1000MHz Performance Gain Noise Figure Output IP3 Output P1dB Input Return Loss Output Return Loss Isolation dB dB dBm dBm dB dB dB T=27 C, VCC =3.0V 2000MHz Performance Gain Noise Figure Output IP3 Output P1dB Input Return Loss Output Return Loss Isolation dB dB dBm dBm dB dB dB V mA T=27 C, VCC =3.0V Power Supply Operating Voltage Operating Current VCC =3.0V 4-92 Rev A3 000713 Preliminary Pin 1 2 3 Function GND GND RF IN Description Ground connection. Keep traces physically short and connect immediately to ground plane for best performance. Same as pin 1. RF input pin. This pin is not internally DC blocked and thus requires an external blocking capacitor suitable for the frequency of operation. The input impedance of this pin is internally matched to 50 using resistive feedback. RF2321 Interface Schematic VCC RF OUT RF IN 4 4 5 VCC RF OUT Supply connection. This pin should be bypassed with a suitable capacitor(s). RF output and bias pin. The output impedance of this pin is internally See pin 3 schematic. matched to 50 using resistive feedback. Because DC biasing is present on this pin, a DC blocking capacitor should be used in most applications (see application schematic). GENERAL PURPOSE AMPLIFIERS 1 2 100 pF RF IN 3 5 100 pF RF OUT VCC 4 1 nF (Download Bill of Materials from www.rfmd.com.) P1 P1-1 1 2 NC 3 1 C1 100 pF 2 3 4 C3 1 nF 5 C2 100 pF VCC GND 50 strip RF OUT J2 RF IN J1 50 strip P1-1 Rev A3 000713 4-93 RF2321 Preliminary 4 GENERAL PURPOSE AMPLIFIERS 4-94 Rev A3 000713 Preliminary RF2321 S21, Vcc= 2.7 V 16 14 12 10 8 6 4 2 0 0.1 1.1 2.1 3.1 Temp = 25C Temp = 80C Temp = -40C RF2321 RF2321 S12, Vcc = 2.7 V -20 Temp = 25C Temp = 80C -30 Temp = -40C Gain (dB) S12 (dB) -40 -50 -60 0.1 1.1 2.1 3.1 Frequency (GHz) Frequency (GHz) 4 GENERAL PURPOSE AMPLIFIERS RF2321 Input VSWR, Vcc = 2.7 V 3 Temp = 80C 4 RF2321 Output VSWR, Vcc = 2.7 V Temp = 25C Temp = -40C 2.5 Temp = 25C 3 Temp = -40C Temp = 80C VSWR 2 VSWR 0.1 1.1 Frequency (GHz) 2.1 3.1 2 1.5 1 1 0 0.1 1.1 2.1 3.1 Frequency (GHz) RF2321 S11, Vcc = 2.7 V, Temp = 25C Swp Max 3.1GHz 1.0 0.8 RF2321 S22, Vcc = 2.7 V, Temp= 25C Swp Max 3.1GHz 0.6 2. 0 0.6 0.8 1.0 3.0 2. 0 3.0 10.0 10.0 10.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 4.0 5.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 100MHz -10.0 3.1GHz -1 -10.0 3.1GHz -0.2 .4 -0 .4 -0 .0 -2 -0. 6 -0.8 -0. 6 -1.0 -0.8 Swp Min 0.1GHz -1.0 .0 -2 Swp Min 0.1GHz Rev A3 000713 -4. 0 -5 -5.0 -0.2 4.0 5.0 0 0 -3 . .0 0.2 . 4.0 5.0 0. .4 -4. 0 -5.0 -3 .0 0. 4 0.2 4.0 5.0 10.0 100MHz 4-95 RF2321 RF2321 S21, Vcc= 3.0 V 16 14 12 10 8 6 4 2 Temp = 25C Temp = 80C Temp = -40C Preliminary RF2321 S12, Vcc = 3.0 V -20 Temp = 25C Temp = 80C -30 Temp = -40C Gain (dB) S12 (dB) 0.1 1.1 2.1 3.1 -40 -50 4 GENERAL PURPOSE AMPLIFIERS 0 -60 0.1 1.1 2.1 3.1 Frequency (GHz) Frequency (GHz) RF2321 Input VSWR, Vcc = 3.0 V 3 Temp = 80C 4 RF2321 Output VSWR, Vcc = 3.0 V Temp = 25C Temp = -40C 2.5 Temp = 25C 3 Temp = -40C Temp = 80C VSWR 2 VSWR 0.1 1.1 Frequency (GHz) 2.1 3.1 2 1.5 1 1 0 0.1 1.1 2.1 3.1 Frequency (GHz) RF2321 S11, Vcc = 3.0 V, Temp = 25C Swp Max 3.1GHz 1.0 0.8 RF2321 S22, Vcc = 3.0 V, Temp= 25C Swp Max 3.1GHz 0.6 2. 0 0.6 0.8 1.0 3.0 2. 0 3.0 10.0 10.0 10.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 4.0 5.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 100MHz -0.2 3.1GHz -10.0 -10.0 3.1GHz .4 -0 .4 -0 .0 -2 -0. 6 -0.8 -0. 6 -1.0 -0.8 Swp Min 0.1GHz -1.0 .0 -2 Swp Min 0.1GHz 4-96 Rev A3 000713 -4. 0 -5.0 -0.2 4.0 5.0 0 0 -3 .0 0.2 4.0 5.0 0. 4 -4. 0 -5.0 -3 .0 0. 4 0.2 4.0 5.0 10.0 100MHz Preliminary RF2321 S21, Vcc= 3.3 V 16 14 12 10 8 6 4 2 0 0.1 1.1 2.1 3.1 Temp = 25C Temp = 80C Temp = -40C RF2321 RF2321 S12, Vcc = 3.3 V -20 Temp = 25C Temp = 80C -30 Temp = -40C Gain (dB) S12 (dB) -40 -50 -60 0.1 1.1 2.1 3.1 Frequency (GHz) Frequency (GHz) 4 GENERAL PURPOSE AMPLIFIERS RF2321 Input VSWR, Vcc = 3.3 V 4 Temp = 80C 4 RF2321 Output VSWR, Vcc = 3.3 V Temp = 25C Temp = -40C Temp = 25C 3 Temp = -40C Temp = 80C 3 VSWR VSWR 2 1 2 1 0.1 1.1 Frequency (GHz) 2.1 3.1 0 0.1 1.1 2.1 3.1 Frequency (GHz) RF2321 S11, Vcc = 3.3 V, Temp = 25C Swp Max 3.1GHz 1.0 0.8 RF2321 S22, Vcc = 3.3 V, Temp= 25C Swp Max 3.1GHz 0.6 2. 0 0.6 0.8 1.0 3.0 2. 0 3.0 10.0 10.0 10.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 4.0 5.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 100MHz 3.1GHz -0.2 3.1GHz -10.0 -10.0 .4 -0 .4 -0 .0 -2 -0. 6 -0.8 -0. 6 -1.0 -0.8 Swp Min 0.1GHz -1.0 .0 -2 Swp Min 0.1GHz Rev A3 000713 -4. 0 -5.0 -0.2 4.0 5.0 0 0 -3 .0 0.2 4.0 5.0 0. 4 -4. 0 -5.0 -3 .0 0. 4 0.2 4.0 5.0 10.0 100MHz 4-97 RF2321 Preliminary 4 GENERAL PURPOSE AMPLIFIERS 4-98 Rev A3 000713 |
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