Surface Mount Monolithic Integrated PIN Diode Chip:

0604 Unconnected Double Tee

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MADP-064908-131000

RF Truth Table for Absorptive SPST using + 5V, – 5V Power Supplies

RF State

TTL Value

B1 Diode Bias

J1 – J2 Low Loss

0

- 1.8 V @ -20 mA

J1–J2 Isolation

1

+ 2.7 V @ + 20 mA

Notes:

1. Diode Forward Voltage Differential (

∆ Vf ) @ 20 mA = 0.9 V

2. Diode Rs @ 20 mA = 3.5

Ω

3. Insertion Loss Diode Bias = ( – 1.8 V ) @ -20 mA from a Constant Current Source

4. Off Isolation Diode Back Bias Voltage through (2) Diodes = | – ( +2.7 V – 0 V ) | = | – 2.7 V |.