plerowTM ALN2504AT Internally Matched LNA Module Features Description · S21 = 14.6 dB @ 2300 MHz = 13.4 dB @ 2700 MHz · NF of 0.8 dB over Frequency · Unconditionally Stable · Single 5V Supply · High OIP3 @ Low Current C o u pl er C o u pl er The plerowTM ALN-series is the compactly designed surface-mount module for the use of the LNA with or without the following gain blocks in the infrastructure equipment of the mobile wireless (CDMA, GSM, PCS, PHS, WCDMA, DMB, WLAN, WiBro, WiMAX), GPS, satellite communication terminals, CATV and so on. It has an exceptional performance of low noise figure, high gain, high OIP3, and low bias current. The stability factor is always kept more than unity over the application band in order to ensure its unconditionally stable implementation to the application system environment. The surface-mount module package including the completed matching circuit and other components necessary just in case allows very simple and convenient implementation onto the system board in mass production level. Specifications (in Production) Typ. @ T = 25C, Vs = 5 V, Freq. = 2500 MHz, Zo.sys = 50 ohm Parameter Unit Frequency Range Min Typ Max MHz 2300 Gain dB 13 Gain Flatness dB 0.6 0.8 Noise Figure dB 0.8 0.85 Output IP3 (1) dBm S11 / S22 (2) dB Output P1dB dBm Switching Time (3) sec 2700 14 31 32 17 18 More Information Website: www.asb.co.kr E-mail: [email protected] Tel: (82) 42-528-7223 Fax: (82) 42-528-7222 -12 / -10 1 Supply Current mA 60 Supply Voltage V 5 80 50 Max. RF Input Power dBm C.W 29 ~ 31 (before fail) Package Type & Size mm Surface Mount Type, 10Wx10Lx3.8H Impedance 1-stage Single Type Specifications Operating temperature is -40C to +85C. 1) OIP3 is measured with two tones at an output power of 0 dBm / tone separated by 1 MHz. 2) S11/S22 (max) is the worst value within the frequency band. 3) Switching time means the time that takes for output power to get stabilized to its final level after switching DC voltage from 0 V to VS. Outline Drawing (Unit: mm) Pin Number Function 2 RF In plerow 5 RF Out ALN2504AT 6 +Vcc Others Ground ASB Inc. (Top View) Note: 1. The number and size of ground via holes in a circuit board is critical for thermal RF grounding considerations. 2. We recommend that the ground via holes be placed on the bottom of all ground pins for better RF and thermal performance, as shown in the drawing at the left side. (Bottom View) (Side View) Ø 0.4 plated thru holes to ground plane (Recommended Footprint) 1/4 www.asb.co.kr September 2008 plerowTM ALN2504AT Internally Matched LNA Module S-parameters Typical Performance (Measured) 2300~2700 MHz +5 V 2/4 S-parameters & K Factor Noise Figure OIP3 P1dB www.asb.co.kr September 2008 plerowTM ALN2504AT Internally Matched LNA Module RF Performance with Voltage Change Item S11 (dB) S22 (dB) S21 (dB) G/F (dB) NF (dB) P1dB (dBm) OIP3 (dBm) Current (mA) 4.5 -13.19 -12.21 14.01 0.99 0.778 16.95 32.70 53 4.6 -13.24 -12.19 14.05 0.98 0.779 17.14 32.94 55 4.7 -13.33 -12.14 14.09 0.98 0.787 17.36 33.19 57 4.8 -13.39 -12.09 14.12 0.97 0.795 17.55 33.24 60 4.9 -13.41 -11.95 14.14 0.97 0.798 17.74 32.88 62 5.0 -13.48 -11.94 14.15 0.96 0.800 17.92 32.69 64 5.1 -13.50 -11.84 14.17 0.96 0.802 18.05 32.50 66 5.2 -13.55 -11.78 14.20 0.95 0.814 18.26 32.05 68 5.3 -13.59 -11.69 14.22 0.95 0.825 18.41 31.78 70 5.4 -13.62 -11.60 14.23 0.95 0.834 18.56 31.59 72 5.5 -13.64 -11.52 14.24 0.95 0.840 18.71 31.26 73 Voltage RF Performance with Operating Temperature Item S11 (dB) S22 (dB) S21 (dB) G/F (dB) NF (dB) P1dB (dBm) OIP3 (dBm) Current (mA) - 40C -13.61 -10.17 15.25 0.90 0.489 17.99 29.43 61 - 20C -13.67 -10.63 15.08 0.93 0.617 17.99 31.44 63 0C -13.74 -10.73 14.94 0.93 0.706 17.94 32.47 63 25C -13.72 -10.63 14.80 0.94 0.807 17.88 32.79 64 40C -13.68 -10.51 14.72 0.94 0.889 17.73 32.17 64 60C -13.67 -10.38 14.52 0.94 1.014 17.42 30.78 64 80C -13.68 -10.16 14.41 0.95 1.107 17.12 30.42 62 100C -13.67 -9.95 14.25 0.95 1.249 16.65 29.04 61 Temp. Application Circuit 3/4 www.asb.co.kr September 2008 plerowTM ALN2504AT Internally Matched LNA Module V DC + - Tantal Capacitor IN OUT ALN C1 C2 1) The tantal capacitor is optional and for bypassing the AC noise introduced from the DC supply. The capacitance value may be determined by customer’s DC supply status. 2) So-called DC blocking capacitors are always necessarily placed at the input and output port for allowing only the RF signal to pass and blocking the DC component in the signal. The DC blocking capacitors are included inside the LNA module. Therefore, C1 & C2 capacitors may not be necessary, but can be added just in case that the customer wants. The value of C1 & C2 is determined by considering the application frequency. Recommended Soldering Reflow Process Evaluation Board Layout +Vcc 20~40 sec 260C Ramp-up (3˚C/sec) Ramp-down (6C/sec) IN OUT 200C 150C 60~180 sec Size 25 x 25mm (for ALN-AT, BT, T Series – 10x10mm) 4/4 www.asb.co.kr September 2008