mc13109 Freescale Semiconductor, Inc, mc13109 Datasheet - Page 26

• Manufacturer Part Number: mc13109
• Description: Universal Cordless Telephone Subsystem
• Manufacturer: Freescale Semiconductor, Inc

recommendations.
Compressor Attack Time
the time for the output to settle to 1.5X of the final steady state
value.
Compressor Decay Time
as the time for the input to settle to 0.75X of the final steady
state value.
Output
0 mV
0 mV
Input
26
This measurement definition is based on EIA/CCITT
For a 12 dB step up at the input, attack time is defined as
For a 12 dB step down at the input, decay time is defined
Attack Time
1.4
1.2
1.0
0.8
0.6
0.4
0.2
–120
0
Figure 39. RSSI Output versus RF in
–100
APPENDIX A – MEASUREMENT OF COMPANDOR ATTACK/DECAY TIME
1.5X Final Value
–80
RF in , RF INPUT (dBm)
12 dB
–60
–40
0.75X Final Value
Decay Time
–20
MC13109
0
Expander Attack
the time for the output to settle to 0.57X of the final steady
state value.
Expander Decay
as the time for the output to settle to 1.5X of the final steady
state value.
Output
0 mV
0 mV
Input
–100
For a 6.0 dB step up at the input, attack time is defined as
For a 6.0 dB step down at the input, decay time is defined
–20
–40
–60
–80
–120
Attack Time
0
–100
Figure 40. First Mixer Third Order
MOTOROLA ANALOG IC DEVICE DATA
Intercept Performance
–80
0.57X Final Value
RF in , RF INPUT (dBm)
6.0 dB
–60
–40
1.5X Final Value
Decay Time
–20
0