upc8002 Renesas Electronics Corporation., upc8002 Datasheet - Page 18

• Manufacturer Part Number: upc8002
• Description: Second Mixer If Amplifier For Digital Cordless Telephones
• Manufacturer: Renesas Electronics Corporation.

6. TEST METHODS
18
V
(1) Mixer input section
(2) Third order intercept
MIX
Note
(a) With 50
f1 = 250.3 MHz
Since the values of L and C are affected by the board’s parasitic capacitance and inductance, L and
C should be adjusted so that the impedance looking at the MIX IN pin side from the signal source is
50
16.7
50
50
.
16.7
470 pF
MIX IN1
resistance termination
8
f2 = 250.6 MHz
470 p
16.7
8
MIX IN1
V
MIX
MIX OUT
2
82 pF
V
(b) With 50
MIX
C
Note
L
f
Note
LO IN
OSC
LC matching
5
= 239.3 MHz
470 p
50
470 pF
8
MIX IN1
PC8002