mc13145fta Lansdale Semiconductor, Inc., mc13145fta Datasheet - Page 11

• Manufacturer Part Number: mc13145fta
• Description: Uhf Wideband Receiver Subsystem Lna, Mixer, Vco, Prescaler, If Subsystem, Coiless Detector
• Manufacturer: Lansdale Semiconductor, Inc.

LANSDALE Semiconductor, Inc.
Page 11 of 17
–6.0
–6.4
–6.8
–7.2
–7.6
–8.0
8.0
6.0
4.0
2.0
18
16
14
12
10
–20
0
0
IP3
P 1dB
V CC = 3.6 V
T A = 25°C
P RF = –25 dBm
Lin Adj Current = 400 µA
100
–18
Figure 8. 2nd Mixer IP3/P 1dB
Figure 6. 2nd Mixer Gain
versus Lin Adj Current
200
Current
Lin Adj
LIN ADJ CURRENT ( µA)
versus LO Drive
LO2 in
RF in
–16
LO DRIVE (dBm)
300
5.1 k
10 n
–14
V CC = 3.6 V
T A = 25°C
P LO = –15 dBm
Adj Channel = 75 kHz
400
Figure 10. Test Circuit for Figures 6 thru 9.
29
30
33
Lin Adj2
Mxr2 In
LO2
–12
500
www.lansdale.com
–10
600
IF2+
IF2–
35
36
1.0 k
T1 = Toko 600ENAS–A998EK
–6.0
–6.2
–6.4
–6.6
–6.8
–7.0
6.0
5.0
4.0
3.0
2.0
1.0
–20
0
0
V CC
V CC = 3.6 V
T A = 25°C
P LO = –15 dBm
P RF = –25 dBm
16:1
T1
100
–18
Figure 7. 2nd Mixer P 1dB
Figure 9. 2nd Mixer Gain
versus Lin Adj Current
200
LIN ADJ CURRENT ( µA)
versus LO Drive
–16
LO DRIVE (dBm)
300
IF out
–14
V CC = 3.6 V
T A = 25°C
Lin Adj Current = 400 µA
400
–12
500
–1 0
60 0
ML13145
Issue 0