AD608
TEST CIRCUITS
PRUP INPUT
U1A
TRIGGER
U1B
4.7kΩ
47kΩ
1 VPS1
2 COM1
3 LOHI
51.1Ω
1nF
51.1Ω
VPOS
LO INPUT
0.1µF
1nF
1 VPS1
2 COM1
3 LOHI
4 COM2
5 RFHI
6 RFLO
1nF
7 MXOP
8 VMID
332
Ω
PRUP 16
LMOP 15
VPS2 14
FDBK 13
COM3 12
RSSI 11
IFLO 10
IFHI 9
47k
Ω
NC
18nF
18nF
VPOS
0.1µF
0.1µF
PRUP 16
LMOP 15
VPS2 14
FDBK 13
COM3 12
RSSI 11
IFLO 10
IFHI 9
0.1µF
301Ω
18nF
100Ω
10nF
RSSI OUTPUT
0.1µF
LMOP OUTPUT
51.1Ω
1nF
RF INPUT
51.1Ω
4 COM2
5 RFHI
6 RFLO
332Ω
7 MXOP
8 VMID
NC
100
Ω
10nF
1nF
AD608
0.1µF
301
Ω
0.1µF
332
Ω
AD608
332Ω
0.1µF
IF INPUT
IF OUTPUT
54.9
Ω
07886-003
U1 – 74HC00
NC = NO CONNECT
Figure 14. IF Test Board Schematic
Figure 18. Mixer Test Board Schematic
AGILENT
HP54120A
DIGITAL
OSCILLOSCOPE
FLUKE 6082A
SYNTHESIZER
IF TEST BOARD
DIGITAL
MULTIMETER
(DMM)
DMM
AGILENT
HP34401A
FLUKE 6082A
SYNTHESIZER
IF TEST BOARD
IFHI
RSSI
TEKRONIX
P6201
FET
PROBE
CH 1
CH 2
IFHI
10.7MHz
DC POWER
SUPPLY
(DCPS)
RSSI
VPOS
10.7MHz
0dBm
PRUP
VPOS
DCPS
07886-009
AGILENT
HP3366A
AGILENT
HP3366A
Figure 15. Test Circuit for IF RSSI Output vs. Input Power at IFHI and Supply
Voltage, Ambient Temperature (Figure 5); IF RSSI Output vs. Input Power and
Temperature, 3 V Supply (Figure 6); and RSSI Error vs. Input Power (Figure 7)
FLUKE 6082A
SYNTHESIZER
COUPLER
10.7MHz
0dBm
MCL
ZDC-20-1
IF TEST BOARD
IFHI
VPOS
07886-014
Figure 19. Test Circuit for RSSI Power-Up Response (Figure 8)
TEKRONIX
P6201
FET
PROBE
CH 1
FLUKE 6082A
SYNTHESIZER
10.7MHz
0dBm
IF TEST BOARD
IFHI
LMOP
VPOS
DCPS
AGILENT
HP3366A
3V
TEKRONIX
P6201
AGILENT
HP54120A
RSSI
CH 2
FET
PROBE
DIGITAL
OSCILLOSCOPE
AGILENT
HP3366A
Figure 16. Test Circuit for RSSI Pulse Response/RSSI Rise Time (Figure 9)
AGILENT
HP54120A
DIGITAL
OSCILLOSCOPE
CH 1
CH 2
Figure 20. Test Circuit for Limiter Rise and Fall Times (Figure 10)
FLUKE 6082A
SYNTHESIZER
MCL
ZDC-20-1
COUPLER
10.7MHz
AGILENT
HP8494A
HP8495A
IF TEST BOARD
TEKTRONIX
P6201
FET
PROBE
AGILENT
HP8447A
CH 1
FLUKE 6082A
SYNTHESIZER
10.7MHz
0dBm
IF TEST BOARD
IFHI
LMOP
TEKRONIX
P6201
FET
PROBE
IFHI
RSSI
PRUP
VPOS
DCPS
AGILENT
HP3366A
3V
DCPS
AGILENT
HP3366A
3V
BPF
280kHz BW
10.7MHz CF
TOKO SK107MK1-A0-10
07886-018
TRIG
AGILENT
HP54120A
DIGITAL
OSCILLOSCOPE
07886-020
Figure 17. Test Circuit for Limiter Power-Up Response Time (Figure 11)
Figure 21. Test Circuit for Limiter Phase Performance vs. Input Power at IFHI
Rev. C | Page 8 of 16
07886-016
DCPS
3V
AGILENT
HP54120A
DIGITAL
OSCILLOSCOPE
07886-012
DCPS
3V
3V
07886-004
54.9Ω
AD [ ANALOG DEVICES ]
