Electronic Components Datasheet Search |
|
MAX7034 Datasheet(PDF) 11 Page - Maxim Integrated Products |
|
MAX7034 Datasheet(HTML) 11 Page - Maxim Integrated Products |
11 / 13 page Peak Detector The peak-detector output (PDOUT), in conjunction with an external RC filter, creates a DC output voltage equal to the peak value of the data signal. The resistor pro- vides a path for the capacitor to discharge, allowing the peak detector to dynamically follow peak changes of the data-filter output voltage. For faster data slicer response, use the circuit shown in Figure 4. For more details on hysteresis and peak-detector applications, refer to Maxim Application Note 3671, Data Slicing Techniques for UHF ASK Receivers. Layout Considerations A properly designed PCB is an essential part of any RF/microwave circuit. On high-frequency inputs and outputs, use controlled-impedance lines and keep them as short as possible to minimize losses and radiation. At high frequencies, trace lengths that are on the order of λ/10 or longer act as antennas. Keeping the traces short also reduces parasitic induc- tance. Generally, 1 inch of a PCB trace adds about 20nH of parasitic inductance. The parasitic inductance can have a dramatic effect on the effective inductance of a passive component. For example, a 0.5 inch trace connecting a 100nH inductor adds an extra 10nH of inductance or 10%. To reduce the parasitic inductance, use wider traces and a solid ground or power plane below the signal traces. Also, use low-inductance connections to ground on all GND pins, and place decoupling capacitors close to all VDD connections. 315MHz/434MHz ASK Superheterodyne Receiver ______________________________________________________________________________________ 11 DATA SLICER R1 25 DATAOUT 20 DSN 19 DFO 23 DSP C4 MAX7034 DATA SLICER R3 R1 R2 R4 25 DATAOUT *OPTIONAL 23 DSP 19 DFO 20 DSN C4 MAX7034 Figure 3. Generating Data Slicer Hysteresis DATA SLICER 25k Ω 25 DATAOUT 20 DSN 19 DFO 26 PDOUT 23 DSP MAX7034 47nF Figure 4. Using PDOUT for Faster Startup Figure 2. Generating Data Slicer Threshold |
Similar Part No. - MAX7034 |
|
Similar Description - MAX7034 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |