U2795B Datasheet, PDF (6/13 Pages) TEMIC Semiconductors – 2.5-GHz Double Balanced Mixer

U2795B
TELEFUNKEN Semiconductors
18
14
without R_T
10
with RF input matching:
L_s = 220nH, C_p = 4.7pF
6
2
–2
0
94 9239
W with R_T = 56
500 1000 1500 2000 2500
IF ( MHz )
Figure 5. Gain versus IF output frequency,
LO level: –6 dBm, RF: 130 MHz, –35 dBm;
parameter: RF input termination
0
–2
W with R_T = 56
–4
–6
without R_T
–8
–10
–12
–14
with RF input matching:
–16 _{Ls = 220 nH, Cp = 4.7 pF}
–18
0
500 1000 1500
94 9240
IF ( MHz )
2000
2500
Figure 6. IIP3 versus IF output frequency,
LO level: –6 dBm; RF: 130 MHz / 130.1 MHz,
–35 dBm; parameter: RF input termination
12
10
8
6
4
2
0
0
94 9241
200
400
600
800
IF ( MHz )
Figure 7. Double sideband noise figure versus IF output
frequency; LO: 1000 MHz, level 0 dBm; no RF input matching,
R_T left out
5
4
3
2
1
100
95 9652
280 460 640 820
IF Frequency ( MHz )
1000
R Figure 8. Typical VSWR frequency response
of the IF output, R_P =
6 (13)
Rev. A2: 08.06.1995