Part 4 JPL Chips - Eric Fossum
Part 4 JPL Chips - Eric Fossum
Part 4 JPL Chips - Eric Fossum
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
PHOTOELECTRON COUNTING MUX<br />
Single-Stage Design<br />
• Cell size: 28x28 μm<br />
• Technology: HP 1.2 μm<br />
• Gain: 35 dB<br />
• Variation: 3.2%<br />
• Power: 35 μW/cell<br />
• Max cnt rate: 300,000/sec<br />
• Noise: 3 e- rms<br />
PD<br />
f rst<br />
64<br />
UNIT-CELL<br />
COL BUS<br />
-A1 -A2<br />
f sel<br />
Vout<br />
Cin<br />
2-Stage circuit block diagram<br />
63<br />
Gain (dB)<br />
62<br />
61<br />
Single-stage unit cell microphotograph<br />
Pain, <strong>Fossum</strong> 1996<br />
60<br />
0 4 8 12 16 20 24 28 32<br />
Pixel number<br />
Excellent 2-stage gain uniformity
Change language