HFA3783 Datasheet, PDF (5/34 Pages) Intersil Corporation – I/Q Modulator/Demodulator and Synthesizer

HFA3783
Test Diagram
FREQUENCY RESPONSE TEST SET UP
SWEEP
GEN.
1000p
2
3
50
4
1000p
5
6
V_CC
50
7
200p
8
50
9
50
ANALYZER
IF_DET
RX_VAGC
CALIBRATION
RXI
5KΩ INPUT
CALIBRATION
V_CC
10µ
.01
.01
RXQ
TX_VAGC
1000p
IF IN/OUT
TC4-1W
100p
100p
.01
8p
2K
8p
1000p
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
LO
31
7
30
8
∑
29
9
28
10
27
11
SYNTH 0/90
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
MATCH COMPONENTS FOR
TEST FIXTURE (374MHz)
AND TRANSFORMER
1000p
1000p
.1
50
.1
VCC/2
5KΩ INPUT
CALIBRATION
1.2V REF.
.1
56p
100p
.1
100p
50
1.2V_OUT
COMMON MODE VOLTAGE
CALIBRATION
COMMON MODE VOLTAGE
LO_IN (2X FREQ)
REF_IN
(SINUSOIDAL)
CP
BUFFER
TXQ
TXI
(LOW INPUT CAPACITANCE)
5