TK14551V/14551 TOKO [TOKO, Inc], TK14551V/14551 Datasheet
TK14551V/14551
Related parts for TK14551V/14551
TK14551V/14551 Summary of contents
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FEATURES IF Input Frequency ~90 MHz (TYP) Balanced Input (IF) Includes Dual High Speed RSSI Outputs. One is for ASK demodulation, another one is for carrier sensing. RSSI outputs are accurate with stable temperature characteristic and include buffer amplifiers. High ...
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TK14551V ABSOLUTE MAXIMUM RATINGS Supply Voltage ........................................................... 6 V Operating Voltage Range .............................. 3.0 to 5.5 V Power Dissipation (Note 1) ................................ 230 mW TK14551V ELECTRICAL CHARACTERISTICS Test conditions unless otherwise specified. ...
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TK14551V ELECTRICAL CHARACTERISTICS Test conditions unless otherwise specified ...
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TK14551V TK14551V ELECTRICAL CHARACTERISTICS Test conditions unless otherwise specified ...
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PG1 100 kHz 100 < SG1 2200 SG1 FM: 10.7 MHz 1 KHz 100 K dev AM: 40.0 MHz 2 MHz 80% mod ...
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TK14551V Measurement of Battery Save Function: Battery Save ON: SW1 = 0.2 V position Battery Save OFF: SW1 = 2 V position Measurement of Comparator: SW3 is closed only for the measurement of the RSSI comparator response characteristics and output ...
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PIN FUNCTION DESCRIPTION ...
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TK14551V PIN FUNCTION DESCRIPTION (CONT ...
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PIN FUNCTION DESCRIPTION (CONT ...
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TK14551V PIN FUNCTION DESCRIPTION (CONT Page ...
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TYPICAL PERFORMANCE CHARACTERISTICS FM DEMODULATION S+N, N, THD, AM OUT ( 10.7 MHz 10.7 MHz kHz -20 dev. = 100 kHz -40 -60 -80 N THD ...
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TK14551V TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) IF LIMITING AMPLIFIER GAIN vs. INPUT FREQUENCY 100 INPUT FREQUENCY (MHz) SUPPLY CURRENT vs. TEMPERATURE ...
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TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) LOGARITHMIC DETECTION AM DEMODULATION VOLTAGE, AM DEMODULATION OUTPUT vs. SUPPLY VOLTAGE 400 AM Demodulating 300 Output Voltage 200 AM Demodulating Output 100 Voltage Deflection DEMODULATION S/N, ...
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TK14551V TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) DATA COMPARATOR TRANSIENT RESPONSE (FALL) IN (0.1V/div) 20 ns/div FM DEMODULATION FREQUENCY CHARACTERISTICS 836BH-0268 (TOKO) DEMODULATION OUTPUT VOLTAGE vs. DEMODULTING FREQUENCY 104.4 ...
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TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) ASK Demodulation Output Wave, Effect of Inserting Active Filter Condition fin = 40 MHz MHz (sine wave), mod Without Active Filter Test Circuit 3 k ...
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TK14551V TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) RSSI Buffer Output (Pin 17) Transient Response (IF Input ON/OFF) • 100 pF 0 dBm input -30 dBm input -60 dBm input 2 µs/div • 1000 pF 0 dBm input -30 ...
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TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) RSSI Buffer Output-1 (Pin 17) Transient Response (Battery Save ON • 100 pF 0 dBm input -30 dBm input -60 dBm input 2 µs/div • 1000 pF 0 dBm input -30 dBm ...
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TK14551V If the input FSK modulation, whether the IF input is a balanced or an unbalanced input, there is no problem. But, if the input is ASK modulation and the IF input is a balanced input, the ...
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CIRCUIT DESCRIPTION IF Limiter Amplifier: The IF limiter amplifier is composed of four differential gain stages. The total gain of the IF limiter amplifier is about 64 dB. The output signal of the IF limiter amplifier is provided at Pin ...
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TK14551V CIRCUIT DESCRIPTION The input impedance of the IF limiter amplifier (between Pin 23, 24 and GND follows j50 + j25 + j10 j10 - j25 - j50 Page 20 S ...
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CIRCUIT DESCRIPTION RSSI, RSSI Buffer Amplifier: Because the RSSI output of this product is a dual output, it has various uses. Because it includes a dual high-speed RSSI output possible to sense the carrier level and to demodulate ...
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TK14551V CIRCUIT DESCRIPTION Figure 4 shows the AM demodulated waveform necessary to improve the distortion of the AM demodulated waveform of logarithmic detection, connect a low pass filter to the RSSI buffer amplifier output. Figure 5 shows ...
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CIRCUIT DESCRIPTION FM Detector: The FM detector is included in the quadrature FM detector using a Gilbert multiplier suitable for high speed data communication because the demodulation bandwidth is over 1 MHz. The phase shifter is connected between ...
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TK14551V CIRCUIT DESCRIPTION Establishing Demodulation Characteristics: Generally, demodulation characteristics of FM detectors are determined by the external phase shifter. However, this product has a unique function which can optionally establish the demodulation characteristics by the time constant of the circuit ...
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CIRCUIT DESCRIPTION Center Voltage of Detector DC Output: The center voltage of the detector DC output is determined by the internal reference voltage source impossible to change this internal reference voltage source, but it is possible to change ...
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TK14551V CIRCUIT DESCRIPTION RSSI Comparator, Data Comparator: The TK14551V contains a general purpose high speed data comparator and RSSI comparator for the base band processing. Because the input stage is composed of PNP transistors possible to operate from ...
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CIRCUIT DESCRIPTION Battery Save Function: Pin 21 is the control terminal for the battery save function. The ON/OFF operation of the whole IC can be switched by controlling the DC voltage at this terminal. Figure 14 shows the internal equivalent ...
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TK14551V CIRCUIT DESCRIPTION SG1 50 ~ SG1 50 ~ Page B.S. = 1.5 V 5.6 K 2200 pF 5.6 K 2200 pF 100 pF 51 BIAS IF AMP RSSI 2200 pF 0.01 µF ...
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TEST BOARD C1= 2200 1000 pF 100 2 ...
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TK14551V Page 30 NOTES January 2000 TOKO, Inc. ...
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January 2000 TOKO, Inc. NOTES TK14551V Page 31 ...
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TK14551V TSSOP-24 Marking 24 13 AAAAA YYY 1 12 Lot. No. 7.8 e 0.65 +0.15 0.25 -0.15 M 0.12 Dimensions are shown in millimeters Tolerance: x.x = 0.2 mm (unless otherwise specified) TOKO AMERICA REGIONAL OFFICES Midwest Regional Office Western ...