What is the classic frequency generator UI? On 18 July 2014 19:08, Vitaliy M wrote: > I'm assuming your device will have a digital display, for feedback? > > What's wrong, with the "classic" frequency generator UI? > > Sent from my phone > > > On Jul 18, 2014, at 6:17, David C Brown wrote: > > > > I am building a simple pulse generator using an LTC6903 "synthesiser > chip" > > and a few TTL chips. The range will be from about 0.1Hz to 68MHz and t= he > > frequency is set, geometrically, by a 15 bit control word. I will be > > using a PIC16F87 to control the synthesiser and drive a display. > > > > My problem is how to set the frequency by hand using the minimum panel > > hardware. I need control at the finest level, stepping the control > > register by one but also need to be able to make large frequency shifts > > quickly, perhaps stepping the register by 2^10 > > > > I have studied this for some time and come up with several solutions, n= on > > of them entirely satisfactory, but I would appreciate, in the first > > instance, suggestions which are not influenced by my thinking. > > -- > > __________________________________________ > > David C Brown > > 43 Bings Road > > Whaley Bridge > > High Peak Phone: 01663 733236 > > Derbyshire eMail: dcb.home@gmail.com > > SK23 7ND web: www.bings-knowle.co.uk/dcb > > > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .