Wavetek 193 Instruction Manual page 17

2-5
27 AUX GEN MODE Select SET CARRIER CH1: When AM is selected, the unmodulated
FREO MULT 10K carrier level at the FUNC OUT decreases to
(Main Gen) one-half the normal amplitude to prevent
FREO/START
1.0
clipping of AM peaks. 7.5 Vp-p unmodulated
FREO Dial carrier shown on CH1. (Note: AM CARRIER
FUNC (Main Gen) AM LEVEL/NULLvaries carrier level.
28
AUX GEN MODE ~M
AUX GEN FUNC
'\;
AUX GEN FREO
10013K
AUX GEN FREO
9 o'clock
VERNIER
29
WIDTH/~F/~M Adjust for 4 Vp-p sine wave.
CH1: 4 Vp-p sine wave.
30 AUX GEN MODE AM
CH1: Modulation envelope varies with instan-
taneous amplitude of CH2 waveform.
Approximately 30% modulation.
31 SUPPRESSED Depress Suppressed carrier signal on CH1.
CARRIER (Adjusting AM CARRIER LEVEL/NULL con-
trols the balance of the modulation envelope
peaks.)
Set up the Model 193 and scope as shown in figure 2-6.
Observation
Step
I
Control Position/Operation
Table 2·1. Checkout Procedure (cont)