LTC2205/LTC2204
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2204: 64K Point FFT,
40Msps, fIN = 70.1MHz, –40dBFS,
PGA = 0, DITH = 0
0
LTC2204: 64K Point FFT,
40Msps, fIN = 70.1MHz, –40dBFS,
PGA = 0, DITH = 1
0
–20
–20
– 40
– 40
– 60
– 60
– 80
– 80
–100
–100
–120
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G63
LTC2204: 64K Point FFT,
40Msps, fIN = 140.1MHz, –1dBFS,
PGA = 1, DITH = 0
0
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G64
LTC2204: 64K Point FFT,
40Msps, fIN = 140.1MHz,
–25dBFS, PGA = 0, DITH = 0
0
–20
–20
– 40
– 40
– 60
– 60
– 80
– 80
–100
–100
–120
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G66
LTC2204: 64K Point FFT,
40Msps, fIN = 140.1MHz,
–25dBFS, PGA = 0, DITH = 0
0
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G67
LTC2204: 64K Point FFT,
40Msps, fIN = 140.1MHz,
–40dBFS, PGA = 0, DITH = 1
0
–20
–20
– 40
– 40
– 60
– 60
– 80
– 80
–100
–100
–120
–120
–140
0
5
10
15
FREQUENCY (MHz)
20
22054 G69
–140
0
5
10
15
FREQUENCY (MHz)
20
22054 G70
14
LTC2204: 64K Point FFT,
40Msps, fIN = 140.1MHz, –1dBFS,
PGA = 0, DITH = 0
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G65
LTC2204: 64K Point FFT,
40Msps, fIN = 140.1MHz,
–25dBFS, PGA = 0, DITH = 1
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G68
LTC2204: 64K Point FFT,fIN1 =
14.9MHz, –7dBFS,fIN2 = 20.1MHz,
–7dBFS, PGA = 0, DITH = 0
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
FREQUENCY (MHz)
20
22054 G71
22054fc