From f3723d2724e8e6df3954a675fcac194c51dcb84b Mon Sep 17 00:00:00 2001 From: drowe67 Date: Wed, 13 Jan 2016 21:18:31 +0000 Subject: [PATCH] updated power budget and task list git-svn-id: https://svn.code.sf.net/p/freetel/code@2624 01035d8c-6547-0410-b346-abe4f91aad63 --- sm2000/doc/sm202 Task List.txt | 23 +++++++++++++++-------- sm2000/doc/sm205_power_budget.xls | Bin 10752 -> 11264 bytes 2 files changed, 15 insertions(+), 8 deletions(-) diff --git a/sm2000/doc/sm202 Task List.txt b/sm2000/doc/sm202 Task List.txt index 9fe3258f..3de0a771 100644 --- a/sm2000/doc/sm202 Task List.txt +++ b/sm2000/doc/sm202 Task List.txt @@ -230,14 +230,15 @@ Task List [ ] Dual freq TDMA + tx and rx? We need a way to tx on two different freqs + use same clock for tx and rx? - [ ] 2ND LO dist and swicthing + [X] 2ND LO dist and swicthing + 150pF to NE602? + attenuator? + selecting LOs? [ ] Spreadsheet with Z matches + [ ] check power consumption on each rail matches regulator limits [ ] Sch Entry - [ ] linear reg option for vadc ADC and vref + [X] linear reg option for vadc ADC and vref + jumper select to test [ ] put extra 0805 or 1206 components in parallel for Z matching and DNL + e.g. on collectors and emitters of RF amps @@ -250,16 +251,16 @@ Task List [ ] location of shields if rqd [ ] how to adjust/if adjustment rqd + e.g. adjust filter by variation in coild spacing against filter spec - [ ] 4 by 0.1 inch pin headers in a square pattern to disconnect building blocks + [X] 4 by 0.1 inch pin headers in a square pattern to disconnect building blocks [X] select Si570 with a jumper [ ] review of foot prints for discretes + ease of debug, e.g. if we need to add a LC filter + power handling - [ ] check package of each L + [X] check package of each L + make sure enough room for hand wound air core versions - [ ] specify locations of 4 pin 50 ohm breaks + [X] specify locations of 4 pin 50 ohm breaks + 0805 0 ohm, or break for isolation and testing - [ ] 10uF tant to PA + [X] PS filter for PA [X] research TXCO for si5351 clock input + perhaps include as option + does it have to be 25MHz? @@ -267,10 +268,16 @@ Task List [ ] how to connect SCA/SCL on clock chips to uC? + is there a separate enable? [ ] LEDs for control signals/rails - [ ] Add a Av=2 op-amp to take 3v3 DAC max from uC to 5V + [X] Add a Av=2 op-amp to take 3v3 DAC max from uC to 5V max for Vgg driving PA final Q14. Will need to be powered by 5V rail. This is a preacuation in case we need > 3V for some FETs - + [ ] Vgg PWM filtering + + we use PWM to genrate a bias for VGG + + this needs to be filtered so we don't modulate the PA output + + but we also need a faily fast respomse time, e.g. 1ms from + 0V to Vgg set point to modulate PA power for TDMA. + [ ] consider shared clock for Si5351 and uC + [ ] Rev A PCB Layout [ ] footprints for all devices [ ] will air core inductors be thru hole parts? diff --git a/sm2000/doc/sm205_power_budget.xls b/sm2000/doc/sm205_power_budget.xls index e9d6bb89d957ac53f3eba88e3f75b6b8ae6a5a3d..92bc4628a01a10cc32a78192c37eece6c4280ddd 100644 GIT binary patch literal 11264 zcmeHNdu*J=5ufiK_WArc+j$Y&I3ICrpB*Q}c0!WU5SuuJNO?Gp>sEk7&dwzqb?np+ z9H0#bg6JQl1dvKWsUT`9K_5ITpe4YCs?Z{!lopXfA4ydzAzI1MB1o0Q{rzUYyZi2P z2D?R7p;>45`*wC_XLe?GcJ|A?^2?H=2OcgvCK=^?@ye<3JjrpvExb=l^ovFCPY63T zK0clR5AiS{pSS`#dG}f zWZ{e4^1AnriANst9Y!niC)CSiCu75^NN1z?&ue0WFdT6?#b9 z6~gF)(jxXUeX-;@bV#>X+qv2np|#|3rFlakjZ!8*2iEv?`*?_fz;Cs}|6>x7Udb2* z!Y4U8rhE@k$O-rc<)fwgDBAJs4tcPojF~Ha1#*yaea-3(t28MYi(?)akIepYWzD4)^O^6$JIT3F2718KW<1L73 zEAV&N3ZRN~?zQ9{xrCX`Scl4xGjcq1zEsrLSn=z!f3iS-VaBzkSJ!NJ(h$WW}m57b?; zK0Dmkzr${9>Z*eb%e&Al>4HG5&0Wn%*-YEHwiWQTJ!m?#iQ=t`Z(UI!b@i~{{uR8o z5ACMWRd_J6BWiE!AFwwqUa;xB2D^KB$nNj!y&6r_9*k{`+5^LVeX+jn zc4Wwo^cnb2Y)7;XT3L(Q4&!w!UDRNAEL((G*KI^DxjD9E=_2Hlcs4I-g#I^ou5WI- zXfaS*hquQ1?e^9@33#NbZ>zmNwktYdL6=@cDTukLahbNuG0%q8=Phc2E-#D>M!O?G zZr!nyk}qYmOs8lZ97>-8Cg|+22S;KV1&P1;h;n;I9R?O47PnXs|iy47uia1KI%P4`b>jYaUtQnbzVdQ~ zj{=e?)!ZslZC#I%!@hc@n6K>(iaTBA$vGl5t7_(U!jOaZhUkdh(Z3_o*U%B&KHM7_ zm|N4>RMR>`>ZIml@!BKXqjpXEjmlt;wlxr@SU)6MlauOu;a6AYrusf? 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