Wavetek 3000 Instruction Manual page 175

OPTION 14
SPECIFICATIONS
PROTECTION CIRCUIT
FREQUENCY RANGE
INSERTION LOSS
TRIP TIME
RF TRIP VOLTAGE
MAX . RF
DC BLOCKING VOLTAGE
RF LEVEL PROGRAMMING
POWER LEVEL
8/1A-2
RANGE, FRONT-PANEL
RANGE, REMOTE PROGRAMMING
ACCURACY (EACH 10 dB STEP)
SWITCHING SPEED
IMPEDANCE
FLATNESS
OPERATING INSTRUCTIONS
Front-Panel Operation
Front-panel operation remains basically
the same as for a standard instrument,
except the standard +13 dBm to -137 dBm
range is changed to +13 dBm to -97 dBm .
NOTE
When front panel
operation is
employed, any
remote programing
connected to the rear-panel LEVEL
PROGRAM plug is automatically
disabled .
1 to 520 MHz ( .001 to 520 MHz
on 3002)
<0 .2 .dB
<2 msec
4 .5 to 5 .5 volts (0 .5 W)
50 W
100 volts max (N/A on 3002)
The max calibrated output is +12 dBm
( .891 VRMS) when Option 1A is installed
Continuously adjustable from +13 dBm to
-97 dBm (110 dB range) .
Adjustable in 0 .1 dB steps from +13 dBm
to -96 .9 dBm (109 .9 dB range ; 0 dB
reference = +13 dBm) .
10 dB +0 .1 dB
10 dB step : Typ . <3 msec
Max . <6 msec
50 ohm (SWR <1 .3)
+,75 dB
Remote Programming
Set the front-panel Step Attenuator to
the REMOTE position ;
then,
connect
remote-programming BCD switches or TTL
signals to the signal generator rear-panel
LEVEL PROGRAM plug as shown in Table 1,
A mating plug is furnished with each
instrument .
For example, to program an attenuation of
106 .5 dB,
pins 14, 7, 8, 10, and 12 of
the LEVEL PROGRAM plug must be grounded,
then to reduce the attenuation by 6 dB
(i .e . 100 .5 dB), ground is removed from
pins 7 and 8 .
(Note that O dB reference
point is +13 dBm.)