Synq DLP 6 processor
i have this processor but the sound quality i am not happy with. the bass is so weak, the bass guitar and the foot drum can be hardly heard. could you please ***
View ArticleAD835 Help
Hello, I have replicated the frequency-doubling example circuit for the AD835 (see figure 24 in datasheet). It does not seem to work. I have attached screenshots of spectrums for both my 10MHz input...
View Article320*240 resistive touch screen calibration problem
Hi every one.I have 320*240 LCD with resistive touch screen and touch screen controller of AD7843 ( All is together in one LCD from topway: KM2088S). I want to know what is the best way to calibrate...
View ArticleADG3245 package question - [LFCSP] (CP-20) package
The ADG3245 level shifter shows an exposed thermal pad for the20-Lead Lead Frame Chip Scale Package [LFCSP] (CP-20) package. Can I tie the thermal pad to ground? I apologize if this is the wrong...
View ArticleCan the ADF7023 demodulate GSM
As the ADF7023 have a baud rate of 300 kbs, can it demodulate a GSM burst ? As i can see, it can be configurated with very flexible preambule and sync
View ArticleAD630 Lock-in Amp
Hello everyone, I am looking to implement a lock-in amplifier in the range of 100kHz to 1MHz to obtain amplitude and phase information. Any thoughts on whether the AD630 will be ok for this frequency...
View ArticleLithium Iron Phosphate batteries
I am using Lithium Iron Phosphate 3.7volt cell @ 4700mA.hour rating. I want to make batteries with output voltages of 24volts and 32volts. They will be recharged from photovoltaic panels only. 7...
View ArticleRight leg driver explained
Hi Bill, I'm experimenting with this AD design. It's clear why we are using RLD here but why do we tap at the gain resistors for the CMV signal and why do we use 10x amplification here? As far as I...
View ArticleCategory of VisualAudio Discussion
Hi, VisualAudio is a very good program for developing audio application using ADSPs. A separate category for it must be very popular. Thanks,Zwone.
View ArticleHi, I have a question about adf7023 connecting
Hi, I'm mankyu and using adf7023, but i'm really new with this product. I'm doing many kinds of tests with A few days ago, I connected one of UART pins(tx pin) to DT pin of ADF7xxx mb3Z directly as I...
View ArticleAD630 alternative
I've been using the AD630 to demodulate a 1kHz sensor output. It works very well, but is prohibitively large for embedded applications. Is there a smaller alternative to the AD630 for demodulation /...
View ArticleHaving noise problems w/ AD1988A / ASUS/ M2N-SLI Deluxe
I have the latest drivers and a creative 7.1 speaker setup. My monitor is a Olevia 42 inch LCD TV. I have this background hum. Just like when a guitar is plugged into an amp. There are times when it...
View ArticleADG3245 package question - [LFCSP] (CP-20) package
The ADG3245 level shifter shows an exposed thermal pad for the20-Lead Lead Frame Chip Scale Package [LFCSP] (CP-20) package. Can I tie the thermal pad to ground? I apologize if this is the wrong...
View ArticleDC coupling to ECG electrodes
Hello Bill As far as I know there are two methods for coupling an Analog Front End for ECG to the patient electrodes. Can you tell me what are the main advantages of a DC coupled ECG system over an AC...
View ArticleADF-7020-1 PN9 TX Test Mode - What Register Setting ???
The data sheet for the ADF7020-1 doesn't show how to enable a PN9 TX test mode. Yet, this feature appears to be available, as it is possible to enable it through the ADF7020-1 Config Software...
View ArticleThe ADF7023 the AES encryption and decryption functions configuration Issue
First of all, my experiment is described as follows:with single-chip SPI and GPIO, MOSI, MISO, SCLK, CSN, and IRQ_GP3 pick heel ADF7023 connection.firmware running on a single-chip-based...
View ArticleECG HOLTER MONITOR DESIGN
Hello Bill, I am currently working on a layout design for this ADI solution. I have a few questions regarding the circuit presented here: From the biomedical point of view, what are the minimum...
View ArticleAD630 Lock-in Amp
Hello everyone, I am looking to implement a lock-in amplifier in the range of 100kHz to 1MHz to obtain amplitude and phase information. Any thoughts on whether the AD630 will be ok for this frequency...
View ArticleConfirm die markings to top markings
We have P/N AD641AP with Date Codes 0043, 0045, 0313, and 0320. The Die (wafer) marking found on all devices is AD640 ADI M 1988. The back side injector had PHILIPPINES with various numbers such as...
View ArticleADF7020 continuous spurious output in rx mode, even when no carrier is present
Hello I am working with the ADF7020, and notice that while in RX mode, the chip seems to output a continuous stream of spurious random bits, even in the complete absence of any carrier. Further, using...
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