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| NTE1536 Integrated Circuit CB Transceiver PLL Frequency Synthesizer Description: The NTE1536 is a CMOS LSI device for the 27MHZ Citizen's Band Transceiver. Function: The NTE1536 composes a Phase Lock Loop (PLL) frequency synthesizer system with only one crystal for an AM CB transceiver. Features: D Only one crystal is required for AM CB transceiver. D Two types of intermediate frequency can be selected: IF1 = 10.695MHZ IF2 = 9.785MHZ D Two types of lock monitor outputs: LM: When PLL is locked/unlocked, LM is high/low level. LM: When PLL is locked/unlocked, LM is low/high level. D The amplifier for low pass filter. D The amplifier for programmable counter input. D The detecting circuit for the mis-programming. D BCD code input to the programmable counter. D The buffer output for the reference oscillator. D The output for the half frequency of the reference oscillator. D The reference frequency oscillation amplifier (with feedback resistance). Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum Supply Voltage, VDDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +9.0V Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to VDD+0.3V Output Voltage, VOUT (Unload) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to VDD+0.3V Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Available Operation Conditions: (TA = +25C, VDD = 7V 1V unless otherwise specified) Parameter Supply Voltage High Level Input Voltage Low Level Input Voltage Input Amplitude Symbol VDD VIH VIL VIN (1) VIN (2) Input Frequency fIN (1) fIN (2) 10.25MHZ, Duty 5010% Sine Wave 3.5MHZ, Duty 5010% Sine Wave 3.0Vp-p, Duty 5010% Sine Wave 0.7Vp-p, Duty 5010% Sine Wave Test Conditions Min 6.0 VDD-1.5 - 3.0 0.7 - - Typ 7.0 - - - - - - Max 8.0 - 1.5 0.9VDD 0.66VDD 10.25 3.5 Units V V V Vp-p Vp-p MHZ MHZ Electrical Characteristics: (TA = +25C, VDD = 7V 1V unless otherwise specified) Parameter Feedback Resistance Symbol Rf (1) Rf (2) Pull-Down Resistance Input Floating Voltage 3 State Off Leak Current Output Off Leak Current RP VIF Pin Opened Test Conditions Min - - - - - - - - - - VDD-0.9 - Typ 7.0 3.0 28 1.0 1.0 - - 1.0 28 - - - Max - - - - - 3.0 3.0 - - 0.9 - 20 Units M M k V nA A A nA dB V V mA IOFF (1) VO = VDD/2 IOFF (2) VO = VDD IOFF (3) VO = VSS Input Current Filter Amp Gain Low Level Output Voltage High Level Output Voltage Dissipation Current IIN VG VOL VOH IDD VI = VDD, VI = VSS Rf = 1M, fIN = 10kHZ, Rg = 600 IO = 2mA IO = 5mA fIN (1) = 10.24MHZ, fIN (2) = 3.5MHZ, N = 182 Pin Connection Diagram Pin Functions D1 D2 D3 D4 D5 D6 IFS T/R 1 2 3 4 5 6 7 8 20 VSS 19 AOUT 18 AIN 17 PD OUT 16 LM 15 LM 14 PC IN 13 1/2 R OUT 12 R OUT 11 X OUT D1 - D6 IFS T/R VDD X IN X OUT R OUT Program Input (BCD) D1: LSB, D6: MSB 10.695/9.785MHZ Sw TX/RX Sw Supply Voltage Crystal Oscillator Crystal Oscillator Buffer Output of Ref Osc 1/2 R OUT PC IN LM LM PD OUT AIN AOUT VSS 1/2 Freq of Ref Osc Programmable Divider Input Lock Monitor Output Lock Monitor Output Phase Detector Output Filter Amp Input Filter Amp Output GND VDD 9 X IN 10 20 11 .339 (8.6) 1 10 1.063 (27.0) Max .200 (5.08) Max .400 (10.16) .100 (2.54) .100 (2.54) Min |
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