acpm-7891 Avago Technologies, acpm-7891 Datasheet
acpm-7891
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acpm-7891 Summary of contents
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... Description The ACPM-7891 is a fully matched tri-band EGSM/DCS/ PCS power amplifier module designed on Agilent Technologies’ leading edge Enhancement Mode PHEMT (E-pHEMT) process. The ACPM-7891 has the highest Power-added Efficiency (PAE) for all three bands of operation in the industry, enabling customers to design handset, PDA and data card with up to 15% longer transmit or talk time ...
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Absolute Maximum Ratings Symbol Parameter V Supply Voltage dd P max Input Power in V Gain Control Voltage apc I Operating Case Temperature DS T Storage Temperature STG Common Electrical Characteristics Test conditions Vdd = +3.5V, a pulse width of ...
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EGSM Electrical Characteristics Test conditions Vdd= +3.5V, a pulse width of 1154 µs and a duty cycle of 25 case temperature of +25°C unless otherwise stated. Parameter Test Conditions Frequency Range Output Power Nominal Conditions ...
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DCS & PCS Electrical Characteristics Test conditions Vdd= +3.5V, a pulse width of 1154 µs and a duty cycle of 25 case temperature of +25°C unless otherwise stated. Parameter Test Conditions Frequency Range DCS PCS Output Power Nominal ...
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GPRS Electrical Characteristics Test conditions Vdd= +3.5V, a pulse width of 1154 µs and a duty cycle of 25 case temperature of +25°C unless otherwise stated Pin = 0 dBm 2.2V sat apc P ...
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Typical Performance Test conditions: Vdd = +3.5V, case temperature of +25°C, and Zo=50 ohms unless otherwise stated PAE Pout 2.7 2.9 3.1 3.3 3.5 3.7 3.9 ...
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Typical Performance, continued Test conditions: Vdd = +3.5V, case temperature of +25°C, and Zo=50 ohms unless otherwise stated. -10 -15 -20 -25 -30 2nd Fo 3rd Fo -35 -40 880 885 890 895 900 905 910 915 FREQUENCY (MHz) Figure ...
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Typical Performance, continued Test conditions: Vdd = +3.5V, case temperature of +25°C, and Zo=50 ohms unless otherwise stated. 300 3000 Idd/Vapc 250 2500 Pout/Vapc 200 2000 150 1500 100 1000 50 500 0 0 0.95 1.45 1.95 2.45 Vapc (V) ...
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... Demo Board Schematic for PA Only 18 DCS/PCS RFin Agilent Vdd ACPM-7891 C3 23 YYWW Vdd 26 EGSM RFin 1 Pin Description Table No. Function Description 1 Gnd 2 Vapc EGSM EGSM Control Voltage 3 Gnd 4 Vdd3 EGSM EGSM Supply 3 5 Gnd 6 Gnd 7 RFout EGSM EGSM Output 8 Gnd ...
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... Ordering Information Part Number No. of Devices ACPM-7891-BLK 10 ACPM-7891-TR1 1000 Package Dimensions TOP VIEW END VIEW Note: Measurements are in inches (millimeters). 10 Container Bulk 13” Tape and Reel 0.0590 (1.50) 0.4644 (11.80) ...
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... DEVICE IN CARRIER TAPE PIN 1 position (permanent) ACPM-7891 carrier tape ∅1.50±0.100 (∅0.059±0.004) 1.75±0.100 (0.068±0.004) 11.50 ± 0.10 (0.449±0.004) 24.00 ± 0.30 (0.936±0.012) ∅1.50 (∅0.059) ...
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... Baseband Loop Control DAC Receive 900MHz 1800MHz 1900MHz Figure 1. ACPM-7891 in a Typical Dual-band or Tri-band Terminal. ACPM-7891 Performance Figure 2 plots the actual output power of the ACPM-7891 PA for GSM900, DCS1800 and PCS1900 bands as a function of the con- trol voltage, Vapc. The input power to the GMSK modulated RF carrier of a con- stant power level of 2 dBm ...
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... Option B allows the PA perfor- mance to be evaluated within a power control loop environment by using the ACPM-7891 PA Con- trol Board from Agilent which incorporates the commercially available control loop IC LT1758-2 from Linear Technolo- gies. This device is used as an example ...
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... Linear Technology EGSM RFin 2 EGSM Vapc DCS/PCS RFin 16 DCS/PCS Vapc 10, 12, 13, 15, 17, 19, 22, 25 Figure 3. Schematic of ACPM-7891 Test Board. Component Component Label Value C2 .033 µ 220 pF C5 .033 µF C7 220 pF C8 ...
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... TXEN SHDN SHDN TXEN GND PCTL DAC Figure 4. Block Diagram of the ACPM-7891 PA Control Board. 15 erence. The PCTL power control pin is driven by a 10-bit DAC and the DAC profile can be loaded via a serial port. The se- rial port data is stored in flash memory which is capable of stor- ing eight ramp profiles ...
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... Figure 5. ACPM-7891 Control Board Layout. Table 3. Bill of Materials for ACPM-7891 Control Board. Qty Device Type, Component Value & Tolerance 1 Agilent ACPM-7891 Power Amplifier 2 CAP_C0402-.033µF,+80,-20A .033µF +80 1 CAP_C0402- 15pF,5%, 50V, CEA 15pF 5% 2 CAP_C0402- 220pF,10%, 50V, A 220pF10% 11 CAP_C0402- 33pF,5%, 50V, CEA 33pF 5% ...
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... We have designed the ACPM-7891 PA control board to interface with the LTC1758 demo board to simplify engineer- ing efforts. Test Setup I, Figure 6, illustrates the equipment setup if the LTC1758 demo board used with the ACPM-7891 PA Control Board. Tek 2235 Vapc HP E4437B 3 dB pad PA Control Board ...
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... LTC1758. The PCA V signal is Power control volt- PCA age output and drives V APC voltage of ACPM-7891 to define power ramp profile. Figure C2 in Appendix C details the LTC1758 timing diagram. The RF power supply voltage of the PA control board is set the external signal BATT ADJ control board ...
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... PCS5 (20 dBm) Pout Vapc Pout (dBm) (V) (dBm) 29.26 1.3 20.12 29.24 1.3 20.10 29.20 1.3 20.07 this supply voltage range, illus- trating that the ACPM-7891 can enable designs that meet GSM transmitter specifications. GSM15 (13 dBm) GSM19 (5 dBm) Vapc Pout Vapc Pout (V) (dBm) (V) (dBm) 1.1 13.49 1.0 5.09 1.1 13.51 1.0 5.12 1.1 13.52 1.0 5.09 DCS10 (10 dBm) DCS15 (0 dBm) Vapc Pout ...
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... Appendix A ACPM-7891 PA Control Board Layout Bottom Power 20 G GND Top ...
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... Appendix B Stencil Design on PCB for ACPM-7891 In order to dissipate heat, addi- tional via holes on the PCB are needed on the printed circuit board. Solder mask should not be applied to thermal/ground plane underneath the vias in a way that will reduce heat transfer efficiency from conductive paddle to ambient ...
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Appendix C LTC1758 Theory of Operation The LTC1758 dual band RF power controller for RF power amplifiers operating in the 850 MHz to 2 GHz range. RF power is controlled by driv- ing the RF amplifier power control ...
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For product information and a complete list of distributors, please go to our web site. For technical assistance call: Americas/Canada: +1 (800) 235-0312 or (916) 788-6763 Europe: +49 (0) 6441 92460 China: 10800 650 0017 Hong Kong: (+65) 6271 ...