Rohde & Schwarz 1138.4000, Service Manual

Page: 43 / 213

Radio Unit R&S CRTU-RU Test Reports
1140.0050.82 1.23 E-4
Test Reports
ROHDE & SCHWARZ CRTU Radio Unit 1138.4000.82
Serial number:
Tested by:
Date:
Signature:
Table 1-2 Test report
Item
No.
Description
Measure-
ment to
section
Min. Actual Max.
Measurement
uncertainty
Unit
Ambient temperature during calibration 23 26 °C
General Tests
CONTINUOUS SELFTEST Passed passed
1
Æ
4/3
Æ
2 RF LOOP TEST Passed passed
Adj5 V DC REFERENCE
VOLTAGE Chapter 2 4.999 5.001 mV
Adjusting TCXO 10 MHz at
RF3 OUT 1 GHz
(if none option CRTU-B2 is not
installed)
Chapter 2 –50 +50 Hz
Adjusting CRTU-B2 OCXO 10 MHz at
RF3 OUT 1GHz
(if option CRTU-B2 is installed)
Chapter 2 –10 +5 Hz
REF IN 52 MHz REF IN –1 +1 Hz
REF IN 1 MHz –1 +1 Hz
REF IN 10 MHz +50 Hz –1 +1 Hz
REF IN 10 MHz –50 Hz –1 +1 Hz
REF OUT 1 Int 10 MHz REF OUT 1 1.4 5 V(pp)
REF OUT 1 52 MHz 1.4 5 V(pp)
REF OUT 1 52 MHz –1 +1 Hz
REF OUT 1 1 MHz 1.4 5 V(pp)
REF OUT 1 1 MHz –1 +1 Hz
REF OUT 2 13 MHz or 10 MHz REF OUT 2 1 5 V(pp)
REF OUT 2 13 MHz or 10 MHz –1 +1 Hz