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SN761678BDBTR Datasheet(PDF) 3 Page - Texas Instruments |
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SN761678BDBTR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 20 page www.ti.com Terminal Functions 18 S0159-01 150kW 50kW 19 S0133-03 SN761678B TV TUNER IC SLES185 – JUNE 2006 TERMINAL DESCRIPTION SCHEMATIC NAME NO. ADC 19 ADC input Figure 1 AS 18 Address selection input Figure 2 BS1 21 Band-switch 1 output (NPN emitter follower) Figure 4 BS2 22 Band-switch 2 output (NPN emitter follower) Figure 4 BS3 20 Band-switch 3 output (NPN emitter follower) Figure 4 BS4 28 Band-switch 4 output (NPN emitter follower) Figure 4 CP 13 Charge-pump output Figure 5 IF GND 10 IF ground IF IN1 23 IF amplifier input 1 Figure 3 IF IN2 24 IF amplifier input 2 Figure 3 IF OUT 12 IF output Figure 6 MIX OUT1 25 Mixer output 1 Figure 7 MIX OUT2 26 Mixer output 2 Figure 7 OSC GND 3 Oscillator ground RF GND 27 RF ground SCL 16 Serial clock input Figure 8 SDA 17 Serial data input/output Figure 9 UHF OSC B1 6 UHF oscillator base 1 Figure 10 UHF OSC B2 9 UHF oscillator base 2 Figure 10 UHF OSC C1 7 UHF oscillator collector 1 Figure 10 UHF OSC C2 8 UHF oscillator collector 2 Figure 10 UHF RF IN 30 UHF RF input Figure 11 VCC 11 Supply voltage for mixer/oscillator/PLL: 5 V VHF RF IN 29 VHF RF input Figure 12 VHI OSC B 2 VHF HIGH oscillator base Figure 13 VHI OSC C 1 VHF HIGH oscillator collector Figure 13 VLO OSC B 5 VHF LOW oscillator base Figure 14 VLO OSC C 4 VHF LOW oscillator collector Figure 14 VTU 14 Tuning voltage amplifier output Figure 15 XTAL 15 4-MHz crystal oscillator input Figure 16 Figure 1. Figure 2. 3 Submit Documentation Feedback |
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