TRANSPONDER MODE SPECIFICATIONS
SIGNAL GENERATOR
RF OUTPUT FREQUENCY
Interrogation Frequency
1030 MHz
Accuracy
± 10 kHz
RF OUTPUT LEVEL
ANTENNA PORT
MTL + 6 dB typical, automatically controlled for a MTL range of -83 to
-68 dBm
Range
-67 to -2 dBm at antenna port
Resolution
0.5 dB
Accuracy
± 2 dB
Distance to UUT antenna
6 to 200 ft with supplied antenna
RF I/O PORT
MTL + 6 dB typical, automatically controlled
Range
-115 to -47 dBm
Resolution
0.5 dB
Accuracy
-95 to –47 dBm, ± 1 dB
Accuracy
-115 to <-95 dBm, ± 2 dB
ATCRBS/MODE S INTERROGATION PULSE SPACING
MODE A
P1 to P2
2.00 µs ± 25 ns
P1 to P3
8.00 µs ± 25 ns
MODE C
P1 to P2
2.00 µs ± 25 ns
P1 to P3
21.00 µs ± 25 ns
MODE S
P1 to P2
2.00 µs ± 25 ns
P1 to P6
3.50 µs ± 25 ns
P1 to SPR
4.75 µs ± 25 ns
P5 to SPR
0.40 µs ± 50 ns
INTERMODE INTERROGATION PULSE SPACING
MODE A
P1 to P3
8.00 µs ± 25 ns
P1 to P4
10.00 µs ± 25 ns
MODE C
P1 to P3
21.00 µs ± 25 ns
P1 to P4
23.00 µs ± 25 ns
INTERROGATION PULSE WIDTHS
MODE A,C,S,INTERMODE
P1,P2,P3
0.80 µs ± 50 ns
MODE S
P6 (Short DPSK Block)
16.25 µs ± 50 ns
P6 (Long DPSK Block)
30.25 µs ± 50 ns
P5
0.80 µs ± 50 ns
INTERMODE
P4 (Short)
0.80 µs ± 50 ns
P4 (Long)
1.60 µs ± 50 ns
INTERROGATION PULSE RISE AND FALL TIMES
ALL MODES
Rise Time
50 to 100 ns
Fall Time
50 to 200 ns
PHASE MODULATION
ALL MODES
Transition Time
≤ 80 ns
Phase Shift
180° ± 10°
SLS LEVELS
ATCRBS
SLS Level (P2)
-9 dB, -1 to +0 dB relative to P1 level
0 dB, -0 to +1 dB relative to P1 level
Off
MODE S
SLS Level (P5)
-12 dB, -1 to +0 dB relative to P6 level
+3 dB, -0 to +1 dB relative to P6 level
Off
Note: SLS level is automatically controlled in the SLS LEVEL test.
INTERROGATION TEST SIGNALS
MODE S
PRF
50 Hz ± 5 Hz
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