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Document overview
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Technical content
Features
Advanced GaAs E-pHEMT 50 all RF ports 25dB gain step in low power mode with reduced Idsq Integrated CMOS compatible pins for shutdown and low power mode 3 to 5 V supply Adjustable bias current with BCTRL pin Small size: 3 x 3 x 1 mm Stable under all loads or conditions -40° C to +85° C operation At 2.5 GHz (BCTRL = 2.8 V) Gain of 34 dB PAE of 21% at SEM compliant Pout = 25 dBm Meets 802.16 masks at 25 dBm Pout , 16 QAM WiMAX with 3.3 V and 437 mA 16 QAM WiMAX EVM < -32 dB (2.5%) at 25 dBm Low power Idd, 85 mA at Pout = 0 dBm
Applications
Portable WiMAX applications with stringent coexistence requirements Package Diagram GND GND ISMN BIAS NETWORK OMN VCC1 VCC2 GND BSPLY BSW N/C PMOD RFIN GND GND BCTRL GND RFOUT GND N/C NC4 BSPLY BSW PAMOD NC RFOUT GND GND
16 GND
14 GND
Table 1. Minimum and Maximum Ratings Table 2. Recommended Operating Range
with 10 MHz BW operating over the BW of 2.5 GHz to 2.7 GHz. Table 3. RF Electrical Characteristics Unit CommentsMin. Typical Max.
Figure 1. EVM Frequency Sweep at 25° C and Pout = 25 dBm over Vcc Figure 2. EVM Frequency Sweep at 25° C and Pout = 26 dBm over Vcc Figure 3. EVM Frequency Sweep at Vcc = 3.3 V and Pout = 25 dBm over Figure 4. EVM Power Sweep at Vcc = 3.3 V and 25° C over Frequency Figure 5. EVM Power Sweep at Vcc = 3.3 V and -30° C over Frequency Figure 6. EVM Power Sweep at Vcc = 3.3 V and +85° C over Freq uency
2.5 GHz
2.6 GHz
2.7 GHz
Figure 7. Gain Frequency Sweep at 25° C and Pout = 25 dBm over Vcc Figure 8. Gain Frequency Sweep at Vcc = 3.3 V and Pout = 25 d Bm over Figure 9. Gain Power Sweep at Vcc = 3.3 V and 25° C over Pout Figure 10. Gain Power Sweep at Vcc = 3.3 V and -30° C over Pout Figure 11. Gain Power Sweep at Vcc = 3.3 V and +85° C over Pout
Figure 12. Total Current Frequency Sweep at 25° C and Pout = 25 dBm over Vcc Figure 13. Total Current Frequency Sweep at 3.3 V a nd Pout = 25 dBm over Figure 14. Total Current Power Sweep at 3.3 V and 25° C over Frequency Figure 15. Total Current Power Sweep at 3.3 V and -30° C over Frequency Figure 16. Total Current Power Sweep at 3.3 V and +85° C over Frequency
Figure 17. SEM Frequency Sweep at Vcc = 3.3 V and 25° C (2 dB Post-PA loss Figure 18. SEM Frequency Sweep at Vcc = 3.6 V and 25° C (2dB Post-PA loss Figure 19. SEM Frequency Sweep at Vcc = 4.2 V and 25° C (2 dB Post-PA loss Figure 20. SEM at Vcc = 3.3 V, 25° C and 2.5 GHz over Vcc (2dB Post-PA loss Figure 21. SEM at Vcc = 3.3 V, 25° C and 2.6 GHz over Vcc (2 dB Post-PA loss Figure 22. SEM at Vcc = 3.3 V, 25° C and 2.7 GHz over Vcc (2dB Post-PA loss
Table 4. Pin Description:
1 VCC2 2 VCC2
3 B_SPLY 4 GND
5 VCC1 6 GND
7 NC 8 GND
9 PAMOD 10 GND
11 NC 12 GND
13 NC 14 B_SW
15 B_CTRL 16 GND
17 NC 18 GND
19 NC 20 GND
Table 5. Typical Test Conditions: are described under fl exible BCTRL optimization section.
Application Circuit MGA-22103
1 RF In
2 GND
3 GND
4 BCTRL
5 BSPLY
6 BSW
7 PAMOD
100 pF0.1 MF 100 pF
0.1 MF 10 MF
Using 3.3 V or 5 V Supply and connecting Vcc1, Vcc2, BSLPY and BCTRL Notes: BCTRL regulates the device current, thus R1 and R2 should have good tolerance rating. If available, a voltage regulator is the preferred method of bias. In this example we set R2 at 10 MOhm and solve for R1 with simple voltage divider equation. Use high resistance values to limit leakage current. Vbat Vcc1 Vcc2 BSPLY BCTRL VBCTRL = *V BATT R1 + R2
3.3 V Example:
2.85 V = *3.3 V10 M R1 + 10 M R1 = 1. 58 M R2 = 10 M VBCTRL = 2.85 V VBAT = 3.3 V R2 = 10 M R1 = ? Given: VBCTRL = *V BATT R1 + R2
5.0 V Example:
2.85 V = *5.0 V10 M R1 + 10 M R1 = 7.54 M R2 = 10 M VBCTRL = 2.85 V VBAT = 5.0 V R2 = 10 M R1 = ? Given:
Figure 32. Recommended footprint Figure 33. Recommended soldermask opening Figure 34. Package dimensions
- All units are in millimeters
Typical SMT Refl ow Profi le for Maximum Temperature = 260+0/-5° C Profi le Feature Sn-Pb Solder Pb-Free Solder Average ramp-up rate (TL to TP) 3°C/sec max 3°C/sec max Preheat – Temperature Min (Tsmin) – Temperature Max (Tsmax) – Time (mon to max) (ts) 100° C 150° C 60-120 sec 100° C 150° C 60-180 sec Tsmax to TL – Ramp-up Rate 3°C/sec max Time maintained above: – Temperature (TL) – Time (TL) 183° C 60-150 sec 217° C 60-150 sec Peak temperature (Tp) 240 +0/-5° C 260 +0/-5° C Time within 5° C of actual Peak Temperature (tp) 10-30 sec 10-30 sec Ramp-down Rate 6°C/sec max 6°C/sec max Time 25° C to Peak Temperature 6 min max 8 min max TIME TEMPERATURE tp t 25° C TO PEAK ts PREHEAT TL TP Tsmax Tsmin tL CRITICAL ZONE TL TO TP RAMP UP RAMP DOWN MGA-22103 Part Number Ordering Information Part Number Devices Per Container Container MGA-22103-BLKG 100 7” Reel MGA-22103-TR1G 3000 13” Reel
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