Test Circuit Example 2. (Power supply current, power-off power supply current)
VCC (IF)
3
VCC (IF OUT)
12
VCC (MIX)
4
µPC8002
1000 pF
A
VCC
1 µF 1000 pF
A
VCC
1µ F 1000 pF
Test Circuit Example 3. (Limiting sensitivity, IF amplifier output amplitude, IF amplifier output amplitude rise
time, IF amplifier output amplitude fall time, RSSI linearity, RSSI slope, RSSI
intercept, RSSI output voltage, RSSI temperature stability, RSSI output ripple)
IF1 IN
19
330 pF
50 Ω
RSSI OUT
10
10 pF
Digital voltmeter
SG (Signal generator)
10.7 MHz
Oscilloscope
IF2 OUT
11
1000 pF
10 kΩ
10 pF
Spectrum
analyzer
Oscilloscope
Caution
The 10 pF capacitor value for IF2 OUT and RSSI OUT includes all the capacitances (board,
pattern, etc.) applied to the pin. Ensure that the recommended load condition (10 pF) is not
exceeded for IF2 OUT and RSSI OUT.
20