1. RPC FEE
The discriminator boards
TDC boards
Cost
schedule

2. Red and Vio are power.
Green and Black are ground
Discriminator pulse
output LVDS cable
Power cable orientation
Signal in

3. RPC NEW DISCRIMINATOR BOARD
Size: mil by 6450 mil or 76.2mm by 163.mm
CMS one size is 106.8mm by 200mm
32 channel discriminator output  LVDS
Use twist-flat cable.
Serial download from one of the LVDS cable
set discriminator threshold by DAC
fire test pulse
Discriminator output width and Bias will be done by fix resistor value.
Power  +5.5 V analog and +5.5V digital
Mount holes
Molex power connector 43650_0412, 5A current carrie capacity, we need about 0.5A. Maximum wire size 20 gauge.
DISC
LVDS
out
Serial
data
SIGNAL
DISC
LVDS
out

4. Disc board LVDS output after 30ft (9.14meter) of Cable
LVDS receiver
margin
LVDS signals
Combine signal 200mv/DIV

5. TDC BOARD Block Diagram
Altera
Cyclone
III
FPGA
32 channel
20X4rows
connectors
32 bits
L1 trigger
(Timing bin =
106ns/64)
Data
Altera
Cyclone
III
FPGA
32 channel
HBD crate/BUS structure 6Ux160 mm VME size F E M F E M L1
face
DCM
face T I M N g
8 FEMs
L1 primitives
DCM
Control
Slow
GTM L1

6. TDC board (layout as 2 days ago) Board 2 32 channels L1 trigger data
Serial download
Power

8. RPC LL1 Channel Count
RPC channel counts assume channels OR’d in pairs of rings at FEM level, highest channel count in pair used.
Channel Counts:
Arm
RPC1a
RPC1b
RPC2
RPC3
North
192ch / octant
192ch /octant
256ch /octant
South
Assume RPC1a and RPC1b OR performed at FEM level:
Fiber Counts 2.5Gbit) : * it is really 2.8 GHz
Arm
RPC1a || RPC1b
RPC2
RPC3
Octant Total
Total
North
1 /octant
2 /octant
5 /octant
40 /arm
South
John Lajoie’s slide

9. Channel count etc… (one side)
Station
1a+b 2 3
total
Channel
3072
3848
2872
9792
Channel per FEM (TDC) 64 65
FEM (TDC) 48
190
Disc Board 96
128
380
L1 trigger Fibers 8 16 32
FEM/ fibers 6 4
Support board/crate
FEM/crate 12
Crates
The crate size is like 6U VME crate.
I would like to limit the length discriminator cable to 10 meters.
(to be tested about jitters)
The RPC2, 3, we will need to find the crate space near the detector.

10. to readout the detector >
< this is not a complete electronics cost
to readout the detector >
RPC FEE M&S COST
MAN POWER COST:
9 MONTH TECHINICAN: 90K
The CMS discriminator chip cost:
$90 – $100K

11. Schedule Discriminator boards TDC boards
Prototype PCB fabricated and assembled.
Testing is waiting for the TVC board
When the mass productions discriminator chips will be existing?
TDC boards
Layout in progress
Prototype board should exist on late Jan- early Feb...
1.5 months to test ( end of March /early April)
Chamber test before production ( 2 weeks to 1 month)
If iteration is need  1 more month?
If work, production can follow through  6 months.
(parts purchase<2-3 months>, board fabrication, assembly)
The same schedule is true for the discriminator.

12. For RUN9… 2 half octants in RPC3 and 1 half octants in RPC1
6 +4 discriminator boards
5 TDC modules  1 crate.
1 trigger modules(?)
This is probably the boards we can get out of prototype run(?)
What factory wants?
Can factory share with run9 electronics till production started/finished?