Rainbow Electronics DS3170 - Manual (Page 231)

DS3170 DS3/E3 Single-Chip Transceiver
231 of 233
Table 17-12. Transmitter Output Characteristics—DS3 Modes
(V
DD
= 3.3V ±5%, T
A
= -40°C to +85°C.)
PARAMETER MIN TYP MAX UNITS
DS3 Output Pulse Amplitude, TLBO = 0 (Note 1) 700 800 900 mVpk
DS3 Output Pulse Amplitude, TLBO = 1 (Note 1) 520 700 800 mVpk
Ratio of Positive and Negative Pulse-Peak Amplitudes 0.9 1.1
DS3 Unframed All-Ones Power Level at 22.368MHz,
3kHz Bandwidth
-1.8 +5.7 dBm
DS3 Unframed All-Ones Power Level at 44.736MHz vs.
Power Level at 22.368MHz, 3kHz Bandwidth
-20 dB
Intrinsic Jitter Generation (Note 2) 0.02 0.05 UI
P-P
Table 17-13. Transmitter Output Characteristics—E3 Mode
(V
DD
= 3.3V ±5%, T
A
= -40°C to +85°C.)
PARAMETER MIN TYP MAX UNITS
Output Pulse Amplitude (Note 1) 900 1000 1100 mVpk
Pulse Width 14.55 ns
Ratio of Positive and Negative Pulse Amplitudes (at Centers
of Pulses)
0.95 1.05
Ratio of Positive and Negative Pulse Widths (at Nominal Half
Amplitude)
0.95 1.05
Intrinsic Jitter Generation (Note 2) 0.02 0.05 UI
P-P
Note 1: Measured on the line side (i.e., the BNC connector side) of the 2:1 transmit transformer ( Figure 1-1 ).
Note 2: Measured with jitter-free clock applied to TCLK and a bandpass jitter filter with 10Hz and 800kHz cutoff frequencies. Not tested during
production test.