U6239B Datasheet, PDF (11/15 Pages) TEMIC Semiconductors – 2.9 GHz PLL for SAT TV Tuner with UNi-Bus

Typical Prescaler Input Sensitivity
W Vi (mV_rms on 50 )
1000
100
Operating window
10
U6239B
1
0
500
1000
Typical Input Impedence
0.5j
1500
2000
Frequency (MHz)
2500
3000
j
2j
3500
4000
9611877
0.2j
0
0.2
4.0 GHz
3.5 GHz
0.5 ¹
3.0 GHz
–0.2j
2.5 GHz
2.0 GHz
–0.5j
1.5 GHz
–j
Figure 5.
5j
2
5¹
100MHz
500 MHz
–5j
1 GHz
–2j
Z0 = 50 Ω
9611878
TELEFUNKEN Semiconductors
Rev. A3, 28-May-97
11 (15)