Pentek 6210 Operating Manual page 147

Pentek dual a/d converter and digital receiver vim module for pentek vim motherboards
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2.50
45MHz
2.00
1.50
70MHz
1.00
0.50
0.00
–0.50
70MHz
–1.00
–1.50
–0.5
–0.4 –0.3 –0.2 –0.1 0.0 0.2 0.3 0.4 0.5 0.6
GAIN VOLTAGE – Volts
Figure 16. Gain Error vs. Gain Control
Voltage at 455 kHz, 10.7 MHz, 45 MHz,
70 MHz
REF LEVEL /DIV
MARKER 505
–31.550dB
1.000dB
MAG (UDF)
0.0deg
45.000deg
MARKER 505
PHASE (UDF)
100k
1M
FREQUENCY – Hz
Figure 19. Frequency and Phase
Response vs. Gain (Gain = +30 dB,
P
= –30 dBm, Pin 5 Connected to
IN
Pin 7)
10dB/DIV
Figure 22. Third Order Intermodula-
tion Distortion at 455 kHz (10 × Probe
Used to HP3585A Spectrum Analyzer,
Gain = 0 dB, P
= 0 dBm, Pin 5 Con-
IN
nected to Pin 7)
REV. D
REF LEVEL /DIV
8.100dB
0.0deg
10.7MHz
455kHz
100k
Figure 17. Frequency and Phase
Response vs. Gain (Gain = –10 dB,
P
= –30 dBm, Pin 5 Connected to
IN
Pin 7)
156.739Hz
–35.509dB
156.739Hz
–1.150deg
7.60
7.40
7.20
7.00
6.80
6.60
6.40
–0.6
10M
100M
Figure 20. Group Delay vs. Gain
Control Voltage
Figure 23. Third Order Intermodula-
tion Distortion at 10.7 MHz (10 × Probe
Used to HP3585A Spectrum Analyzer,
Gain = 0 dB, P
nected to Pin 7)
MARKER 505
156.739Hz
1.000dB
MAG (UDF)
4.127dB
45.000deg
MARKER 505
156.739Hz
PHASE (UDF)
–1.338deg
1M
10M
100M
FREQUENCY – Hz
–0.4
–0.2
0
0.2
0.4
GAIN CONTROL VOLTAGE – Volts
10dB/DIV
= 0 dBm, Pin 5 Con-
IN
–11–
REF LEVEL /DIV
–11.850dB
1.000dB
0.0deg
45.000deg
100k
1M
FREQUENCY – Hz
Figure 18. Frequency and Phase
Response vs. Gain (Gain = +10 dB,
P
= –30 dBm, Pin 5 Connected to
IN
Pin 7)
+5V
HP3326A
DUAL
CHANNEL
SYNTHESIZER
AD603
100
0.1 F
–5V
0.6
Figure 21. Third Order Intermodula-
tion Distortion Test Setup
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
–2.4
–2.6
–2.8
–3.0
–3.2
–3.4
0
50
100
200
LOAD RESISTANCE –
Figure 24. Typical Output Voltage
Swing vs. Load Resistance (Negative
Output Swing Limits First)
AD603
MARKER 505
156.739Hz
MAG (UDF)
–15.859dB
MARKER 505
156.739Hz
PHASE (UDF)
–1.378deg
10M
100M
0.1 F
HP3585A
10
SPECTRUM
PROBE
ANALYZER
511
DATEL
DVC 8500
500
1000 2000

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