Re: [Discuss-gnuradio] ADC calibration

2010-08-13 Thread Daniel Halperin
On Fri, 13 Aug 2010, Matt Ettus wrote: On 08/13/2010 12:14 PM, Daniel Halperin wrote: On Tue, 10 Aug 2010, Matt Ettus wrote: > When using a BasicRX or LFRX with the PGA set at 0dB gain (USRP1 > only), +10dBm is full scale on the ADC. On the USRP2 full scale on the > ADC is full scale when

Re: [Discuss-gnuradio] ADC calibration

2010-08-13 Thread Matt Ettus
On 08/13/2010 12:14 PM, Daniel Halperin wrote: On Tue, 10 Aug 2010, Matt Ettus wrote: When using a BasicRX or LFRX with the PGA set at 0dB gain (USRP1 only), +10dBm is full scale on the ADC. On the USRP2 full scale on the ADC is full scale when it gets back into gnu radio. On the USRP1 full sca

Re: [Discuss-gnuradio] ADC calibration

2010-08-13 Thread Brian Padalino
On Fri, Aug 13, 2010 at 3:17 PM, Daniel Halperin wrote: > On Tue, 10 Aug 2010, Matt Ettus wrote: >> >> When using a BasicRX or LFRX with the PGA set at 0dB gain (USRP1 only), >> +10dBm is full scale on the ADC.  On the USRP2 full scale on the ADC is full >> scale when it gets back into gnu radio.

Re: [Discuss-gnuradio] ADC calibration

2010-08-13 Thread Daniel Halperin
On Tue, 10 Aug 2010, Matt Ettus wrote: When using a BasicRX or LFRX with the PGA set at 0dB gain (USRP1 only), +10dBm is full scale on the ADC. On the USRP2 full scale on the ADC is full scale when it gets back into gnu radio. On the USRP1 full scale on the ADC is (1.67/2) times full scale du

Re: [Discuss-gnuradio] ADC calibration

2010-08-10 Thread Matt Ettus
On 07/30/2010 11:32 AM, Daniel Halperin wrote: Hi, I'm calibrating my USRP setup using a function generator. I remember seeing that someone else had done this before in the past and written down a bunch of (input voltage, ADC output) pairs on the web somewhere, but I'm unable to find it on the w

[Discuss-gnuradio] ADC calibration

2010-07-30 Thread Daniel Halperin
Hi, I'm calibrating my USRP setup using a function generator. I remember seeing that someone else had done this before in the past and written down a bunch of (input voltage, ADC output) pairs on the web somewhere, but I'm unable to find it on the wiki even with google site: search. Does an