Tektronix ECO8000 Automatic Changeover Basic Unit

Channels

9 x switchable BNC channels (primary and backup)

Typical Return Loss

Base and Option REF 50 MHz Electronic Fast Switch Channels:
35 dB, 300 kHz to 6 MHz
25 dB, 6 MHz to 30 MHz

Option HREF 3 GHz Relay Switch Channels:
40 dB, 300 kHz to 6 MHz
30 dB, 6 MHz to 30 MHz
15 dB, 30 MHz to 1.5 GHz
10 dB, 1.5 GHz to 3 GHz

Insertion Loss

Base and Option REF 50 MHz Electronic Fast Switch Channels:
< ±0.2 dB DC to 10 MHz
Typical < -1 dB DC to 50 MHz

Option HREF 3 GHz Relay Switch Channels:
< -0.1 dB DC to 10 MHz
Typical < -3 dB DC to 3 GHz
Equivalent to approx. 16 ft (5 m) of Belden 1694 cable

Maximum Switched Voltage

Base and Option REF 50 MHz Electronic Fast Switch Channels:
-3 to 5 V

Option HREF 3 GHz Relay Switch Channels:
±2.5 V peak, 1.5 V RMS

Option LTC Channels:
±5 V

Maximum Switched Current

(Option HREF only): 100 mA

Crosstalk

Base and Option REF 50 MHz Electronic Fast Switch Channels:
< -60 dB, 300 kHz to 6 MHz
< -40 dB, 6 MHz to 50 MHz

Option HREF 3 GHz Relay Switch Channels:
< -48 dB, DC to 1.5 GHz
< -40 dB, 1.5 GHz to 3 GHz

Relay Switch Interruption Time

(Option HREF only):

Time for Relays to Switch and Settle:
Typically 0.5 ms to 2 ms

Channel Switch Settling Time

(Base and Option REF only with identical signals on both inputs):

Time for Relays to Switch and Settle:

Bi-Level and Tri-Level Sync:
Typically 5 ns glitch, then 125 ns to 90% of final value
AES and 1 V Word Clock:
Typically 5 ns glitch, then 250 ns to 90% of final value
5 V Word Clock:
Typically 25 ns glitch, then 500 ns to 90% of final value

Preset Threshold Signal Types

Base and Option REF 50 MHz Electronic Fast Switch Channels:
NTSC, PAL, Tri-level, AES, 1 V word clock, 5 V word clock, custom

Option HREF 3 GHz Relay Switch Channels:
NTSC, PAL, Tri-level, AES, 1 V word clock, SD-SDI, HD-SDI, 3G-SDI, custom

Signal Level Range to Detect Fault

With preset thresholds:
-2 dB to -4 dB from the nominal level for the selected signal type

LTC Channels

LTC Threshold Presets:
0.5 to 5 Vp-p in 0.5 V steps, differential or single ended

LTC Load Range:
600 Ω to open circuit

Crosstalk:
< -60 dB for LTC signals

Switching Interruption Duration:
Typically 1 ms

Power Source

Mains Ranges:

Voltage: 100 to 240 VAC
Frequency: 50/60 Hz
Power Consumption: 50 VA maximum

Operating Temperature

+32 to 122°F (0 to 50°C)

Storage Temperature

-4 to 140°F (-20 to 60°C)

Operating Altitude

To 9842 ft (3000 m)

Regulatory

EMC:
Complies with EMC Directive 2004/108/EC

Safety:
Approved to: UL61010-1, CAN/CSA-C22.2 No.61010-1
Complies with: EN61010-1, IEC61010-1

Dimensions

1.7 x 19 x 22" (4 x 48 x 56 cm)

Weight

10 lb (4.5 kg)