LTC4402-1 LINER [Linear Technology], LTC4402-1 Datasheet
LTC4402-1
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LTC4402-1 Summary of contents
Page 1
... Schottky diode. This detected voltage is compared to the DAC voltage at the PCTL pin to control the output power. The LTC4402 single output RF power controller with identical performance to the LTC4402-2. The LTC4402-1 has one output to control a single T dual T PA module with a single control input and is X available in an 8-pin MSOP package ...
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... Maximum Junction Temperature ........................ 125 C IN Lead Temperature (Soldering, 10 sec)................ 300 C + 0.3V ORDER PART NUMBER PCA LTC4402-1EMS8 V 3 PCB GND 4 GND 5 MS8 PART MARKING 10-LEAD PLASTIC MSOP T LTXF JMAX The denotes specifications which apply over the full operating = ...
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... PCB IN Output. This pin drives an external RF power amplifier power control pin. The maximum load capacitance is 100pF. The output is capable of rail-to-rail swings at low load currents. Selected when BSEL is high. GND (Pin 3/4): System Ground. LTC4402-1/LTC4402-2 MIN TYP MAX 270 400 300 2400 – ...
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... LTC4402-1/LTC4402 CTIO S (LTC4402-1/LTC4402-2) GND (Pin 4/5): System Ground. PCTL (Pin 5/6): Analog Input. The external power control DAC drives this input. The amplifier servos the RF power until the RF detected signal equals the DAC signal applied at this pin. SHDN (Pin 6/7): Shutdown Input. A logic low on the SHDN pin places the part in shutdown mode ...
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... PCB PCA an 850MHz/900MHz channel and V channel. BSEL must be established before the part is enabled. The LTC4402-1 can be used to drive a single RF channel or dual channel with integral multiplexer. Control Amplifier The control amplifier supplies the power control voltage to the RF power amplifier. A portion (typically – 19dB for low frequencies and – ...
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... LTC4402-1 Description The LTC4402-1 is identical in performance to the LTC4402-2 except that only one control output (V available. The LTC4402-1 can drive a single band (300MHz to 2400MHz dual RF channel module with an internal multiplexer. Several manufacturers offer dual RF channel modules with an internal multiplexer. ...
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... The range of decoupling capacitor values is typically 1nF to 3 Poor layout techniques associated with the coupler network may result in high frequency signals bypassing the coupler. This could result in stability problems due to the reduction in the coupler loss. LTC4402-1/LTC4402-2 conditions. The oscillation fre- SWR 4402f 7 ...
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... LTC4402-1/LTC4402 APPLICATIO S I FOR ATIO Determining External Loop Gain and Bandwidth The external loop voltage gain contributed by the RF chan- nel and coupler network should be measured in a closed loop configuration. A voltage step is applied to PCTL and the change measured. The detected RF ...
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... In no event will Linear Technology be liable for special, collat- eral, incidental or consequential damages in connection with or arising out of the use of this model. It should be remembered that models are a simplification of the actual circuit. LTC4402-1/LTC4402-2 4402f 9 ...
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... LTC4402-1/LTC4402 APPLICATIO S I FOR ATIO *LTC4402-X Low Frequency AC Spice Model* *Main Network Description GGIN1 ND3 0 ND2 IFB 86E-6 GGXFB IFB 0 0 ND12 33E-6 GGX5 ND11 0 0 ND10 1E-6 GGX6 ND12 0 0 ND11 1E-6 GGX1 ND4 0 0 ND3 1E-6 GGX2 ND6 0 0 ND4 1E-6 ...
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... TYP 0.53 0.152 (.021 .006) 1.10 (.043) DETAIL “A” MAX SEATING PLANE 0.17 – 0.27 (.007 – .011) 0.50 TYP (.0197) BSC LTC4402-1/LTC4402 POWER MODULE 33pF Li-Ion LTC4402-1 WITH MUX OUT1 900MHz PCA HOLD HOLD 3 6 PWR ...
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