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General Information
Displays and Front Panel
Parameter
Specification
Panel meter
jeweled bearing, center-zero, mirror-backed
O
ff
set
adjustable up to
±
1000 % (10
×
) of full scale
Output
600
Ω
output impedance,
Lock-In or AC Volt function
Numeric
full static drive (no scanning refresh),
settings or one-time readings
Rear panel inputs and outputs
Parameter
Specification
VCO input
10 k
Ω
input impedance
0 to
+
10 VDC for
f
min
to
f
max
of range
VCO output
600
Ω
output impedance, 0 to
+
10 VDC
Quadrant outputs
600
Ω
output impedance
Four 0.7 Vrms (2 Vpp) outputs, at 0
◦
, 90
◦
, 180
◦
, 270
◦
Preamp
DB-9 connector to power optional
remote preamp
Status
TTL outputs, 1 k
Ω
output, 10 k
Ω
pullup
−
Unlocked
low when reference oscillator is unlocked
−
Overload
low when signal chain is overloaded
Remote Interfaces
RS-232
DB-9, 9600 baud fixed
Optical fiber
connection to SX199 Optical Interface
Controller, provides connectivity to
GPIB, RS-232, & Ethernet
General
Parameter
Specification
Temperature
0
◦
C to 40
◦
C, non-condensing
Power
40 W, 100
/
120
/
220
/
240 VAC, 50
/
60 Hz
Dimensions
17
00
W
×
5
00
H
×
15
00
D
Weight
23 lbs
Fuse
Type 5MF,
5
×
20 mm, “fast blow”
SR124
Analog Lock-In Amplifier
