TB 9-6625-2181-24
(7) Repeat steps (5) and (6) above for TI switch settings listed in table 8 below.
(8) Set TI switches to 0 and adjust calibrator output for 0.0 dBm.
(9) Reestablish reference level by resetting true rms voltmeter REL/dBm
pushbutton for 0.0 dBm.
(10) Adjust TI 10 to 100 switch to 10.
(11) Adjust calibrator output until true rms voltmeter indicates 0.0 dBm. Calibrator
will indicate between 9.955 and 10.045 dBm.
Test instrument
Calibrator output
0.1 dB/STEP
1 dB/STEP
General Radio, Type 1450-TAR
General, Radio, Type 1450-TB
switch setting1
switch setting
Min
Max
Min
Max
2
0
---
---
.1795
.2205
3
0
---
---
.27925
.32075
4
0
---
---
.3790
.4210
5
0
---
---
.47875
.52125
6
0
---
---
.5785
.6215
7
0
---
---
.67825
.72175
8
0
---
---
.7780
.8220
9
0
---
---
.87775
.92225
10
0
---
---
.9775
1.0225
-
1
---
---
.9775
1.0225
-
2
1.975
2.025
1.975
2.025
-
3
2.9725
3.0275
2.9725
3.0275
-
4
3.970
4.030
3.970
4.030
-
5
4.9675
5.0325
4.9675
5.0325
-
6
5.965
6.035
5.965
6.035
-
7
6.9625
7.0375
6.9625
7.0375
-
8
7.960
8.040
7.960
8.040
-
9
8.9575
9.0425
8.9575
9.0425
-
10
9.955
10.045
9.955
10.045
1General
Radio, Type 1450-TB only.
(12) Repeat technique of (10) and (11) above for TI switch settings in table 9.
Calibrator will indicate within limits specified.
Test instrument
Calibrator output
10 dB/STEP
switch setting
Min
Max
2
19.930
20.070
3
29.905
30.095