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FAQ You can get answers to the most frequently asked questions. |
CIRCUIT DESIGN,INC. |
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Your search (no conditions) resulted in 104 hits.
| Products | Topics | Questions |
| None | None | Why should continuous data be within 20 ms? |
| None | None | Why does the CAR output change even no signal is transmitted? |
| None | None | What is relation of the DI and the DO? |
| None | None | Why does signal like data be output from the DO even no signal is transmitted? |
| None | -Noise, interference | How can I distinguish received data from noise? |
| None | None | What is RSSI? And how to use it? |
| None | None | What is the lowest operation temperature? |
| None | -Others | Is there any problem if the module has condensation? |
| None | None | How are the ports protected from electrostatic? |
| None | -Operation range | Can you get a longer communication range with a longer antenna? |
| None | -Antenna | What should I do with the module ground and the antenna ground? |
| None | None | What is the solder applied to the outside of the shielding case for and what should I do with the GND pins of the shielding case? |
| None | -Noise, interference | Will data errors occur if metals touch each other near the transmitters? |
| -CDT-TX-01/CDT-RX-01 | None | Is it possible to use the CDT-01 for data communication? |
| -CDT-TX-01/CDT-RX-01 | None | Is it possible to send any of the switching signals at the same time? |
| -CDT-TX-01/CDT-RX-01 | -Antenna | Do you have any optional antenna for the receiver? |
| -CDT-TX-01/CDT-RX-01 | -Operation range -Modulation | Why is it possible to get a long distance by CDT-01? |
| -CDT-TX-01/CDT-RX-01 | None | What kind of battery is used for the transmitter? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02FP-R/CDP-RX-02FP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02EP-R/CDP-RX-02EP-R | None | Why does signal like data be output from the DO even no signal is transmitted? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02FP-R/CDP-RX-02FP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02EP-R/CDP-RX-02EP-R | -Interface | Is it possible to directly interface TTL level signals with CDP-02? |
| -CDP-TX-04S-R/CDP-RX-03AS-R | None | Is the change of RSSI output linear? |
| None | -Others | What is 12dB SINAD |
| -CDP-TX-04S-R/CDP-RX-03AS-R | None | Without changing the crystal, is it possible to change the frequency by 150 kHz? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02FP-R/CDP-RX-02FP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02EP-R/CDP-RX-02EP-R | -Operation range | Is it effective to use AF OUT output as a method for extending the communication range? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02FP-R/CDP-RX-02FP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02EP-R/CDP-RX-02EP-R | None | What is the storage temperature range? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02FP-R/CDP-RX-02FP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02EP-R/CDP-RX-02EP-R | None | Isn't it possible to change the frequency deviation (Dev.)? Also, is it possible to adjust this yourself? |
| -CDP-TX-04S-R/CDP-RX-03AS-R | None | How does the module operate when used at voltages lower than the minimum operating voltage (2.2 V)? (CDP-TX-04S) |
| -STD-302N-R | None | When moving the channel for 100 kHz, how much time is required before RSSI and DO become effective? |
| None | -Others | Can images from a camera be transmitted? |
| -CCR-STD-302 | -Interface | Is it possible to connect with a RS485 interface? |
| -ANT-01-R | -Antenna | I want to use ANT-01 at another frequency. Is it possible? |
| -CDT-TX-01/CDT-RX-01 | None | When switching the unit on in the standby state, how long must the switch be pressed? |
| None | None | How is the Power amplifier ON pin used? |
| -CDP-TX-04S-R/CDP-RX-03AS-R | None | Is operation of Vcc possible at 12 V? (CDP-TX-04S) |
| -CCR-STD-302 | None | What is the voltage span of the interface? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02FP-R/CDP-RX-02FP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02EP-R/CDP-RX-02EP-R | None | I raised the output power of the transmitter using an external amplifier. Output from the receiver close to the transmitter is not normal. Is it faulty? |
| None | -Approval | When STD-402 429 MHz with Technical Regulation Conformity Certification is mounted, is it necessary to display some indication on the outside of the equipment? |
| None | None | What is the difference between the STD-402 Direct mode and Auto mode? |
| -CCR-STD-302 | None | What is the compatibility between the CCR unit and MB-STD-RS232? |
| None | -Propagation of radio -Others | What is multipath fading? What is a dead spot? |
| -CCR-STD-302 | -Interface | With the CCR unit is it possible to change to RS-232C communication? |
| -CCR-STD-302 | None | What is the CCR unit air monitoring application? |
| None | -Noise, interference | What are the sources of noise? |
| -WA-DC-01 | None | Is the performance of WA-DC-01 different from that of an ordinary DC/DC converter? |
| -MU1-LIK -MU1-UIK -MU1-RIK | None | Is it possible to use the MU1-RIK in combination with the MU1-LIK or the MU1-UIK? |
| -MU1-UIK | None | Is it possible to install the MU1-UIK in WindowsXP? |
| -MU1-ADK | None | Is the MU-1 included in the MU1-ADK? |
| -MU-1-R | -Antenna | What kind of antenna does the MU-1 use? |
| -STD-302N-R -MU-1-R | None | Is communication between the MU-1 and STD-302 possible? |
| -MU-1-R -MU1-RIK -MU1-ADK | None | Which manufacturer makes the LED on the MU-1 RS232 conversion board, and what is its model number? |
| -MU-1-R | None | How do you set the User ID? |
| -CDT-TX-01/CDT-RX-01 -MU-1-R | -Antenna | What are the conditions for embedding the MU-1, STD-402, and CDT-01 inside a case? |
| -MU-1-R -MU1-RIK | -Interface | Do you have any products that can interface directly with USB? |
| -MU-1-R -MU1-RIK | -Interface | What is the interface for RS-232C? |
| -MU-1-R | None | According to the Operation Guide, the MODE terminal must be set to L to use the MU-1 in the binary mode, but is it necessary to connect the MODE terminal to the GND terminal? |
| -MU-1-R | None | I want to replace the existing wired connection (RS-232C) with the MU-1. With the existing connection only TXD and RXD are used. Is it possible to go wireless with the MU-1? |
| -STD-302N-R -MU-1-R | -Modulation | If the frequency band is the same, is it possible to communicate between different models? |
| -MU-1-R | None | Does the MU-1 have power-saving and standby modes? |
| -MU-1-R -MU1-UIK -MU1-RIK | None | I want to control the virtual COM portof each MU-1 interface kit with Visual Basic 6.0. |
| -MU-1-R -MU1-RIK | -Interface | What do I need to be careful of when interfacing between the single-chip CPU and the MU1-RS2 (the board for MU1-RIK)? |
| -MU-1-R | None | What error detection system does the MU-1 use for wireless communication? |
| -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK | None | I want to make an MU-1 control program using Visual Basic (VB). |
| -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK | -Antenna | How should the MU-1 antenna be handled? |
| -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK | None | When does the MU-1 output the receive response (*DR)? |
| -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK | None | Can I use the MU-1 with Linux? |
| -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK | None | There are not enough MU-1 User IDs. |
| -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK | None | Is it possible to send binary data with the MU-1? |
| -MU-1-R -MU1-RIK | None | How do you set the MU-1 to binary mode when turning on the power? |
| -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK | None | When the MU-1 is turned off, the setting values of the various parameters are lost. |
| -STD-302N-R -CCR-STD-302 -MU-1-R | None | I want to replace the existing wired system with a wireless system. |
| -MU-1-R | -Others | Can you check the content of communication between two MU-1 units using a ghird unit? |
| -MU-1-R | -Others | Can you connect the MU-1 with RS-485? |
| -MU-1-R | -Others | Can the MU1-UIK be used with Windows CE? Also, can it be used with the windows Mobile 2003 O/S? |
| -MU-1-R | -Others | Can models without the relay function be built into networks with the relay function? |
| -MU-1-R | -Others | There is no change in RTS output. It is always Low. Is this OK? |
| -MU-1-R | -Others | When the MU-1 is in the receive mode, is the data output from the DO terminal only valid data? Also, when the receiver is not receiving an RF signal, what does DO output? |
| -MU-1-R -MU-2-R | -Operation range | What is the maximum communication destance for relay systems? |
| -MU-1-R | -Others | Every tiem "Open port" in the MU1-ESP is clicked, "Framing error" is displayed. |
| -CDP-TX-02E-R/CDP-RX-02E-R | -Others | What are differences between CDP-TX/RX-02N and CDP-TX/RX-02E-R? |
| -CDP-TX-04S-R/CDP-RX-03AS-R | -Others | Is it possible to use the CDP-TX-04S with the CDP-RX-03AS/BS-R? (or the CDP-TX-04S-R with the CDP-RX-03AS/BS) |
| -MU-1-R | -Operation range | I'm looking for a RF product that is suitable for a wireless GPS system required communication range 1 - 5 km. |
| -MU-1-R | -Others | Is there a way to put the MU-1-R into standby mode? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02FP-R/CDP-RX-02FP-R | -Others | What are differences between CDP-TX/RX-02E-R and CDP-TX/RX-02F-R? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02FP-R/CDP-RX-02FP-R | -Antenna | I'd like to use my own antenna on your transmitter module. Is it easy to find the suitable connector (e.g. SP06022) in anywhere? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R -CDP-TX-04S-R/CDP-RX-03AS-R -CDT-TX-01/CDT-RX-01 -STD-302N-R -WA-TX-01-R/WA-RX-01-R -CCR-STD-302 -WA-DC-01 -ANT-01-R -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02FP-R/CDP-RX-02FP-R -WA-TX-03-R/WA-RX-03R | -Purchase | Are there any distributors worldwide? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R -CDP-TX-04S-R/CDP-RX-03AS-R -CDT-TX-01/CDT-RX-01 -STD-302N-R -WA-TX-01-R/WA-RX-01-R -CCR-STD-302 -WA-DC-01 -ANT-01-R -MU-1-R -MU1-LIK -MU1-UIK -MU1-RIK -MU1-ADK -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02FP-R/CDP-RX-02FP-R -WA-TX-03-R/WA-RX-03R | -Purchase | How can I purchase your products? |
| -WA-TX-01-R/WA-RX-01-R | -Others | How long do the WA-TX-01 and WA-RX-01 take to start up? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R | -Operation range | What is the communication distance between the CDP-TX-02E-R and the CDP-Rx-02E-R? |
| -CDT-TX-01/CDT-RX-01 | -Others | What are the important points to remember for two-way communication between the CDT-TX-01 and CDT-RX-01? |
| -WA-TX-01-R/WA-RX-01-R -WA-TX-03-R/WA-RX-03R | -Others | Is Fullduplex communication possible between the WA-TX-01-R (WA-TX-03-R) and WA-RX-01-R (WA-RX-03-R)? |
| -WA-TX-03-R/WA-RX-03R | -Others | How many channels are usable with the WA-TX/RX-03-R at one time? |
| -WA-TX-01-R/WA-RX-01-R -WA-TX-03-R/WA-RX-03R | None | Why is the amplitude of the output signal of WA module smaller at the beginning? |
| -WA-TX-03-R/WA-RX-03R | -Others | Is it possible to see the RSSI output level of the WA-RX-03-R? |
| -WA-TX-01-R/WA-RX-01-R -WA-TX-03-R/WA-RX-03R | None | Is it possible to connect WA modules to the 16 Ωspeaker? |
| -CDT-TX-01/CDT-RX-01 | -Others | How long does it take to start transmission after switching on the CDT? |
| -MU-1-R | -Interface -Others | Is it possible to send graphics data from an MU-1-R connected to a digital camera? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R -CDP-TX-04S-R/CDP-RX-03AS-R -CDT-TX-01/CDT-RX-01 -STD-302N-R -WA-TX-01-R/WA-RX-01-R -MU-1-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02FP-R/CDP-RX-02FP-R -WA-TX-03-R/WA-RX-03R | -Noise, interference | How can signals only above a certain receiving level be output to prevent interference? |
| -WA-TX-03-R/WA-RX-03R | -Others | What are the important oint to remember when a WA-03 module is operated on a test board which enables the frequency and mute level to be changed? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02FP-R/CDP-RX-02FP-R | -Operation range | There is a problem with communication range. What is the problem? What should be checked? |
| -WA-TX-03-R/WA-RX-03R | -Others | I want to know about the operation of the standby terminal of the WA-TX-03-R. |
| -CDT-TX-01/CDT-RX-01 | -Others | I'm using two CDT-TX-01 units and one CDT-RX-01A. Why is there a delay of 15 seconds between transmission from the first transmitter and the second transmitter? |
| -CDP-TX-02E-R/CDP-RX-02E-R -CDP-TX-02EP-R/CDP-RX-02EP-R -CDP-TX-02F-R/CDP-RX-02F-R -CDP-TX-02FP-R/CDP-RX-02FP-R | -Others | What are the frequencies of any intermediate frequency (IF) stages in the CDP-RX-02E-R (CDP-RX-02EP-R, CDP-RX-02F-R, CDP-RX-02FP-R)? |
| -MU-2-R | -Others | How can the RSSI value be obtained when the MU-2-R is inbinary mode? |
| -MU-2-R | -Others | How many times is the MU-2-R samples when the RSSI level is measured? How long does it take to measure the RSSI level? |