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Zakładka z wyszukiwarką danych komponentów |
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ML2713EH Arkusz danych(PDF) 11 Page - Micro Linear Corporation |
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ML2713EH Arkusz danych(HTML) 11 Page - Micro Linear Corporation |
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11 / 18 page  ML2713 11 January, 2000 PRELIMINARY DATASHEET PRELIMINARY VARIABLE CAPACITOR ARRAY 1IF 1IFB 32 REG Receive Image Reject Down-Convert Mixer TX VCO REGULATOR 0/90 RSSI 0/90 CONTROL 0/90 22 2LO 23 2LOB RSSI 17 BPI BPO 19 BPIB 20 BPOB DISCO VDC 44 43 DFO2 DFI2 37 MS3 31 MS2 45 MS1 DD2 DD3 DD4 DD5 DD1 DD0 14 TS 46 SLICE 15 LOE 13 RS 8 CMO 26 27 42 DPS DPSB 34 35 29 30 3 2 1 47 4 5 GND 18 28 39 16 9 GND GND GND GND 6 VCC1 7 VCC1 21 VCC2 24 VCC2 25 VCC2 10 VCC3 33 VCC4 38 D C REC FREQUENCY DIVIDER VARIABLE CAPACITOR ARRAY 0/90 VARIABLE CAPACITOR ARRAY LOWPASS FILTER Comparator 7 -Bit Up/Down COUNTER Unity Gain Op Amp Discriminator Comparator Limiter Limiter Limiter Rx I/P Amplifier Tx O/P Amplifier Transmit Image Reject Up-Convert Mixer 6 BIT DAC 41 40 Unity Gain Op Amp 7 DFI1 DFO1 Figure 4. Circuits Active in Transmit Mode Figure 3. Transmit Regulator Noise Floor OPERATIONAL MODES (CONTINUED) Transmit Output Buffer The transmit output buffer is a limiting amplifier. Its nominal output power at 260MHz is -12dBm, driving a 340 W differential load. On IC Transmit Regulator which is enabled and disabled with the transmit circuits. The regulator powers external circuits such as a transmit VCO. The noise floor of the ML2713 is shown in the Figure 3. The regulator minimizes noise output above 5KHz to avoid introducing phase noise into the VCO. The transmitter circuits in the ML2713 are shown in Figure 4. 10 100 1000 10000 100000 100 1000 10000 100000 1000000 10000000 Frequency (Hz) |
Podobny numer części - ML2713EH |
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Podobny opis - ML2713EH |
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